{"topic":{"aliases":["DRAM","3D 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キャッシュ帯域を増やす\n- 配線長を短くする\n- DRAMアクセスを減らす\n- 平面面積を節約する","quote_start":0,"quote_end":51,"text_sha256":"f43783e95dc7f6e143c2cee121cb66915fdef84799c30d94d0448183642c0e6b","block_sha256":"f43783e95dc7f6e143c2cee121cb66915fdef84799c30d94d0448183642c0e6b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_04caab49-911d-4fa8-9f6d-3786d6161ca6/#blk_871fb386-0c8c-41ff-a3af-bafce722eab8"},{"id":"occ_65a9834668e80a0835eadcd3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_098e8803-5806-4df3-818d-ad62b9126a33","work_id":"wrk_bcf730dd-eb3e-4ba5-9ccc-9496775a234a","block_id":"blk_0973027e-8849-4836-86c0-4bf0fb27cde3","section_id":"sec_484b4f81-1bb4-4883-ae40-37890957c2c7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":68,"end":72,"exact":"DRAM","quote":"年第1四半期に売上高52.58兆ウォン、営業利益37.61兆ウォン、営業利益率72％を記録した。HBMと高性能DRAMの成長によって、利益の質は今回のメモリ大手の中でも非常に強い。([SK hynix Newsroom](https://news.skhynix.com/q1-2026-business-result","quote_start":13,"quote_end":172,"text_sha256":"70d2a7b15a3ca3fd8653d4666c7e5b67eea5214c228fa46753a15198846c4ac4","block_sha256":"70d2a7b15a3ca3fd8653d4666c7e5b67eea5214c228fa46753a15198846c4ac4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_098e8803-5806-4df3-818d-ad62b9126a33/#blk_0973027e-8849-4836-86c0-4bf0fb27cde3"},{"id":"occ_903d5614d2e1db1d166aea53","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_098e8803-5806-4df3-818d-ad62b9126a33","work_id":"wrk_bcf730dd-eb3e-4ba5-9ccc-9496775a234a","block_id":"blk_59376c1c-85ad-40f8-a3a3-f5360effa7a9","section_id":"sec_3793edec-bd48-457e-90f9-c65168416924","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"AIメモリ、HBM、DRAM価格上昇を先回りする信用買い。","quote_start":0,"quote_end":29,"text_sha256":"c262a08a5b43106e67bfc57cbf19d36778e2d9fea0c343257a9fc27550c9c391","block_sha256":"c262a08a5b43106e67bfc57cbf19d36778e2d9fea0c343257a9fc27550c9c391","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_098e8803-5806-4df3-818d-ad62b9126a33/#blk_59376c1c-85ad-40f8-a3a3-f5360effa7a9"},{"id":"occ_7e5466b0da0a26462b388fe3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_098e8803-5806-4df3-818d-ad62b9126a33","work_id":"wrk_bcf730dd-eb3e-4ba5-9ccc-9496775a234a","block_id":"blk_60b369eb-3cdb-4095-a8a7-a49322090037","section_id":"sec_fadc756b-430d-404d-93f4-7305b0cc4fa9","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":62,"end":66,"exact":"DRAM","quote":"柄 | 主な事業 | 主な市場 | レバレッジ解消の特徴 |\n| Samsung Electronics | DRAM・NAND・HBM＋スマホ・家電 | 韓国 | 信用融資、国内外2倍ETF。ETFは速いが信用融資は長く残る |\n| SK hynix | HBM・DRAM中心 | 韓国 | 信用、巨大な2倍ETF、","quote_start":7,"quote_end":166,"text_sha256":"5bdb8492e0402e4e0850d5ce48f5934bf1e6fa9d2b3bd559e6d974aaaeea6a8a","block_sha256":"5bdb8492e0402e4e0850d5ce48f5934bf1e6fa9d2b3bd559e6d974aaaeea6a8a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_098e8803-5806-4df3-818d-ad62b9126a33/#blk_60b369eb-3cdb-4095-a8a7-a49322090037"},{"id":"occ_bf18e1988c682afd527af51f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_098e8803-5806-4df3-818d-ad62b9126a33","work_id":"wrk_bcf730dd-eb3e-4ba5-9ccc-9496775a234a","block_id":"blk_88de76e4-127d-4d84-bbd9-461596b277fc","section_id":"sec_56bcfeb7-9577-4a02-93d4-fdeffc4be9e3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":88,"end":92,"exact":"DRAM","quote":"す  \nっふ、なるほどね未だ下げるのかい  \nそうだったんだね  \nキオクシアを単元未満4万9000円で一株、DRAMを平均取得単価66ドルで15株持って…いると言う事は","quote_start":33,"quote_end":118,"text_sha256":"37082c6d7a43bb2c69cf069529f6b9088c2d6383e87ea6c50d4f85ac04293b33","block_sha256":"37082c6d7a43bb2c69cf069529f6b9088c2d6383e87ea6c50d4f85ac04293b33","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_098e8803-5806-4df3-818d-ad62b9126a33/#blk_88de76e4-127d-4d84-bbd9-461596b277fc"},{"id":"occ_05008da9e424b55903ba4df2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_1048b359-13a3-420e-969a-c24d154595da","section_id":"sec_4f245fb2-372d-4c54-ab6e-f480affc10d4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"HBMは、単なる「速いDRAM」ではない。AIアクセラレータの性能、消費電力、パッケージ設計、熱設計、供給能力を決める中核部材である。","quote_start":0,"quote_end":67,"text_sha256":"cd050eb21addf2f6f83dff8f32f1316ae97079a1dbd19a18c3fccabe1a80a745","block_sha256":"cd050eb21addf2f6f83dff8f32f1316ae97079a1dbd19a18c3fccabe1a80a745","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_1048b359-13a3-420e-969a-c24d154595da"},{"id":"occ_441564990e4056424839bb65","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_224d508a-d378-486d-84b2-1141ba0b5e74","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"特にHBMは、普通のDRAMより増産が難しい。DRAMウェハだけではなく、TSV、積層、ベースダイ、先端パッケージ、テスト、歩留まり、顧客認証が必要になる。HBM3EからHBM4、HBM4Eへ進むほど、ベースダイやパッケージ連携","quote_start":0,"quote_end":114,"text_sha256":"1834b7fb0d895879a0dc75fd6949f30ce003bbef785e19e7e8883c4f2e9f8fea","block_sha256":"1834b7fb0d895879a0dc75fd6949f30ce003bbef785e19e7e8883c4f2e9f8fea","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_224d508a-d378-486d-84b2-1141ba0b5e74"},{"id":"occ_e3bf1e26d83ed4882cddf63c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_253e8181-a6c6-46a6-aba3-b9314a922b78","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"## HBM増産は普通のDRAM供給を圧迫する","quote_start":0,"quote_end":23,"text_sha256":"9eff2ad4a2655da6bc21b80e820f46b9845936ed76289f2b3393694714c5abaf","block_sha256":"9eff2ad4a2655da6bc21b80e820f46b9845936ed76289f2b3393694714c5abaf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_253e8181-a6c6-46a6-aba3-b9314a922b78"},{"id":"occ_f18727835a3ad2b6b6fcb060","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_4020f3dc-be30-484c-8bc5-110d85bd16da","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":28,"end":32,"exact":"DRAM","quote":"SK hynix、Micron、Samsungは、過去のDRAM不況をよく知っている。メモリ各社は、収益性を壊すほどの無秩序な増産には慎重になる。","quote_start":0,"quote_end":73,"text_sha256":"173cf441596681ca8b33534abce28d676d735a1f1cb021a23776bc8681f6ccce","block_sha256":"173cf441596681ca8b33534abce28d676d735a1f1cb021a23776bc8681f6ccce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_4020f3dc-be30-484c-8bc5-110d85bd16da"},{"id":"occ_5c9447d5acf8321e8a2e019f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_79a52dc2-b124-4d27-b6e3-3bec0dab59b8","section_id":"sec_1c04ad79-b36f-4b3c-abc6-772607f22086","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"| 時期 | HBM需給 | DRAM全体への影響 |\n| --- | --- | --- |\n| 2026年 | 極めてタイト | HBM優先でDDR5/LPDDRも締まりやすい |\n| 2027年 | まだタイト | HBM4移行、A","quote_start":0,"quote_end":119,"text_sha256":"15952c02d40fbc200b9cb53ddd10a5fc856f4c8315158fcc55c98b8d5857d535","block_sha256":"15952c02d40fbc200b9cb53ddd10a5fc856f4c8315158fcc55c98b8d5857d535","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_79a52dc2-b124-4d27-b6e3-3bec0dab59b8"},{"id":"occ_2ec90e5da90fd68995fd76a3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_9e2871f4-fc04-4fc9-8c23-7a733cbf8a7d","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"つまり、HBM増産は単純に供給不足を解消するだけではない。短中期では、HBM増産そのものが、普通のDRAM不足を悪化させる可能性がある。","quote_start":0,"quote_end":68,"text_sha256":"3808381d126f83f33452c04737d17eef7f814b97b933621ef2d63968c32e69b3","block_sha256":"3808381d126f83f33452c04737d17eef7f814b97b933621ef2d63968c32e69b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_9e2871f4-fc04-4fc9-8c23-7a733cbf8a7d"},{"id":"occ_9ef1369e207ce6339b3d3eb3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_a9795d7f-88ca-4cbd-9be0-35a6e8b9cf2c","section_id":"sec_4f245fb2-372d-4c54-ab6e-f480affc10d4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"過去のDRAMは、PC、スマホ、一般サーバーの景気循環に左右されていた。需要が落ちると在庫が積み上がり、価格が崩れた。メーカーは過剰投資を繰り返し、何度もメモリ不況を経験した。","quote_start":0,"quote_end":88,"text_sha256":"d4546e7b9b2bed9c6179f577d763e1e1f168f0261d4ae5f6f8154faab6864155","block_sha256":"d4546e7b9b2bed9c6179f577d763e1e1f168f0261d4ae5f6f8154faab6864155","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_a9795d7f-88ca-4cbd-9be0-35a6e8b9cf2c"},{"id":"occ_f64333f0e92fd523f36912d7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_de4c56c1-a3c1-4924-a99e-896c6699594a","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBMは、普通のDRAMとは完全に別の工場で作られるわけではない。基本的には、DRAMウェハ能力、工程能力、技術者、装置、テスト能力を使う。つまり、HBMに能力を振り向けるほど、一般DRAM、サーバーDDR5、LPDDRに回","quote_start":0,"quote_end":112,"text_sha256":"66abfeb37999be5ffa0efba1e4fb91e1dd0053aeee3a0b54bcf9f927cbe5a35e","block_sha256":"66abfeb37999be5ffa0efba1e4fb91e1dd0053aeee3a0b54bcf9f927cbe5a35e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_de4c56c1-a3c1-4924-a99e-896c6699594a"},{"id":"occ_13db850cadfc41b4f936daed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_deaa3d1e-411e-401f-8f03-ef4bbe028fe0","section_id":"sec_d394c60f-012d-408e-8abd-b65642770154","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":318,"end":322,"exact":"DRAM","quote":"フラ需要は、電力・HBM・変圧器・土地・許認可に制約される。\n- HBMはAI工場の中核部材であり、増産は一般DRAM供給にも影響し得る。\n- AIインフラは2030年に向けて、民間IT設備から準公益事業へ近づいていく。","quote_start":263,"quote_end":373,"text_sha256":"ef70be321816ea6471a998a40a87f822c1f32b6f303df075b74536375958fdf5","block_sha256":"ef70be321816ea6471a998a40a87f822c1f32b6f303df075b74536375958fdf5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_deaa3d1e-411e-401f-8f03-ef4bbe028fe0"},{"id":"occ_6a2f87a41a72bf73287111d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_eb23c6b9-48d7-4df9-ad61-c69df080c5aa","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"code","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":47,"end":51,"exact":"DRAM","quote":"```text\nHBM需要が強い\n  ↓\nメモリ各社はHBMへ能力を優先配分する\n  ↓\n一般DRAMに回るウェハが減る\n  ↓\nDDR5 / LPDDR / 一般サーバーDRAMも締まりやすい\n  ↓\nAIサーバー以外のBOMにも波及する\n```","quote_start":0,"quote_end":124,"text_sha256":"23ff4d450895f1d54769d57c4e4200a2609e4ba026f4413c050cfeca8005e00d","block_sha256":"23ff4d450895f1d54769d57c4e4200a2609e4ba026f4413c050cfeca8005e00d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_eb23c6b9-48d7-4df9-ad61-c69df080c5aa"},{"id":"occ_5a6d95b3ae488193cf399f96","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_ef196099-c077-44bb-97c1-dc5ee222256c","section_id":"sec_4f245fb2-372d-4c54-ab6e-f480affc10d4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"これは、従来のDRAMサイクルとは違う。","quote_start":0,"quote_end":20,"text_sha256":"7bd8284c5fd7e2837e9007fbf2b49f912c62deb470ab7d7a98e733217c4ce5ab","block_sha256":"7bd8284c5fd7e2837e9007fbf2b49f912c62deb470ab7d7a98e733217c4ce5ab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_ef196099-c077-44bb-97c1-dc5ee222256c"},{"id":"occ_4b13c92493d09efa66b04c9f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c","work_id":"wrk_832924ba-8222-43e8-9f82-7a35ff151e1b","block_id":"blk_f0c62f45-98fe-4231-b441-caaab37da9fc","section_id":"sec_0100c655-6710-48b5-b84b-d710bf4d17c2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"さらに重要なのは、HBM増産がDRAM全体を救うとは限らないという点だ。","quote_start":0,"quote_end":36,"text_sha256":"392ca6fa58b16ff164baa4e7d8d0710c5a8454da0528c38b121103b03bdb694a","block_sha256":"392ca6fa58b16ff164baa4e7d8d0710c5a8454da0528c38b121103b03bdb694a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0b72e772-70fd-4fc3-94b4-3beabdd8120c/#blk_f0c62f45-98fe-4231-b441-caaab37da9fc"},{"id":"occ_fd9c6645a51541cbb9f65f1f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e","work_id":"wrk_078157a8-8d73-48b6-b0ad-972882b9971f","block_id":"blk_0314ce64-dbed-4fbf-9f54-3d4e179e1487","section_id":"sec_5315050d-4d3c-4707-be59-46bac185ef70","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DDR5","quote":"DDR5：","quote_start":0,"quote_end":5,"text_sha256":"068d2ec3a509272143ec9c997d195ebb7e068336bbe415d247a060eaa18d2b6c","block_sha256":"068d2ec3a509272143ec9c997d195ebb7e068336bbe415d247a060eaa18d2b6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e/#blk_0314ce64-dbed-4fbf-9f54-3d4e179e1487"},{"id":"occ_0e2d20356cfb5ea1a29a0d51","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e","work_id":"wrk_078157a8-8d73-48b6-b0ad-972882b9971f","block_id":"blk_0e6076f8-6630-4e98-b597-274efc9e1b6b","section_id":"sec_13a3eb2c-fe61-480e-b6a7-dbadebce94e0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"Memory全体を見ればDRAMは大量にある。","quote_start":0,"quote_end":23,"text_sha256":"ce4aa9d0eaae32845dc2e5e78787c0611a4a43c567d421c0fd0a41497db1006b","block_sha256":"ce4aa9d0eaae32845dc2e5e78787c0611a4a43c567d421c0fd0a41497db1006b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e/#blk_0e6076f8-6630-4e98-b597-274efc9e1b6b"},{"id":"occ_3cf6d8e822d31b45569e1250","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e","work_id":"wrk_078157a8-8d73-48b6-b0ad-972882b9971f","block_id":"blk_45f75b66-8f3b-498c-8454-7f76385c93ef","section_id":"sec_de76b567-49b3-4f2f-9622-597f668b7550","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"これはHBM不足とDRAM市場が同時に存在するのと同じである。","quote_start":0,"quote_end":31,"text_sha256":"f3cce56bccddb8132851da600754c2f4876d6ed2f7495f869353513b865feedc","block_sha256":"f3cce56bccddb8132851da600754c2f4876d6ed2f7495f86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DRAM全体では供給があるのにHBMだけ不足する。","quote_start":0,"quote_end":28,"text_sha256":"20d5adec3f342cd3aeda05beb240fbb50f151d3a49dcb92ac65122dd03403cc3","block_sha256":"20d5adec3f342cd3aeda05beb240fbb50f151d3a49dcb92ac65122dd03403cc3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d613fb6-d01b-48f0-8a64-b54a137ad32e/#blk_5ccea609-d1fd-4236-884f-f15cf48668c5"},{"id":"occ_809dd50f16dd02c5e5d59ef3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"title","start":8,"end":12,"exact":"DRAM","quote":"HBMとGPUとDRAMのぜんぶ：バス幅／メモリコントローラ／VRAM容量／スタック（Hi）／ピン速度／帯域まで一気に理解する","quote_start":0,"quote_end":63,"text_sha256":"1d768e891cc5cb43c725e2651b12c45d7c72ad4c1a5fe4529dcc66f959c01e63","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/"},{"id":"occ_56e9a9c5c90f28972193d70b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_02aa0769-ee75-4ab1-9518-3d00e201abd3","section_id":"sec_50851d07-62b7-4f7c-9a16-76921cf25957","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"GDDR","quote":"### GDDR系（一般的なdGPUの作法）","quote_start":0,"quote_end":22,"text_sha256":"e043389f975da1a71b18266d2735033865dd49212fcf595b2132055888a19cde","block_sha256":"e043389f975da1a71b18266d2735033865dd49212fcf595b2132055888a19cde","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_02aa0769-ee75-4ab1-9518-3d00e201abd3"},{"id":"occ_4507ee152c6cec5dbe7ff76f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_253c6753-016c-43fc-8403-bf3722d80990","section_id":"sec_589d09c5-a5e9-47f2-a94a-1f57d1d85773","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"GDDR","quote":"- **GDDR系**\n  \n  1. **バス幅**（192/256/320/384bit…）を見る\n  2. **チップ枚数 ≒ バス幅/32**（x32が基本） → **概容量＝（チップ容量）×（枚数）**\n ","quote_start":0,"quote_end":108,"text_sha256":"99abd05c278e7287fa2416e71739801bc864911d8f0b046cb3e89c48d0338e22","block_sha256":"99abd05c278e7287fa2416e71739801bc864911d8f0b046cb3e89c48d0338e22","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_253c6753-016c-43fc-8403-bf3722d80990"},{"id":"occ_392e1183c8d2426e643f6149","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_3948a34c-95b0-4298-8ac5-cd591a520f08","section_id":"sec_50851d07-62b7-4f7c-9a16-76921cf25957","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR6"],"evidence":{"text_basis":"markdown","start":92,"end":97,"exact":"GDDR6","quote":"\\[bit\\] = 32 ×（チップ枚数）。  \n  例：256bitなら x32チップが8枚。MicronのGDDR6資料でも**“32 DQs per component（=x32）”\\*\\*と明記。([assets.micron.com](https://assets.micron.com/adobe/asset","quote_start":37,"quote_end":197,"text_sha256":"0da21e84721e389f8b48123e96cf51835a77623c4b40077dcfa4338736edde3b","block_sha256":"0da21e84721e389f8b48123e96cf51835a77623c4b40077dcfa4338736edde3b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_3948a34c-95b0-4298-8ac5-cd591a520f08"},{"id":"occ_691cbb7f95f4c877f36bb92a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_3fc46e90-1b02-464f-a478-3fb7a0e5f121","section_id":"sec_64850811-da94-468e-9cbd-eab64c889e10","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## まずは俯瞰：GPU・DRAM・HBM・VRAMの関係","quote_start":0,"quote_end":29,"text_sha256":"11724cbbfc3c8146ebb561aa5158f46189d4b7330e719d0ff64d36d93fd737e8","block_sha256":"11724cbbfc3c8146ebb561aa5158f46189d4b7330e719d0ff64d36d93fd737e8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_3fc46e90-1b02-464f-a478-3fb7a0e5f121"},{"id":"occ_5bb84a0238160f0b85fbf0e0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_637b60be-aa29-4bc4-8724-9699e3907d37","section_id":"sec_a400381f-b58b-4566-9481-bef76aa12d76","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":56,"end":60,"exact":"GDDR","quote":" メモリの「**○○Gb/s（per pin）**」は、**1本の信号線が1秒あたりに運ぶビット数**。\n- GDDRもHBMも**DDR（倍転送）系なので、公称“Gb/s”は既に倍転送を織り込んだ有効レートです（ここに×2**をさらに掛けないのがコツ）。","quote_start":1,"quote_end":129,"text_sha256":"e9f01699772a7e2e36a5fdcc4c5c7738c3bcda8b385ee999ac9ac54d2f284d11","block_sha256":"e9f01699772a7e2e36a5fdcc4c5c7738c3bcda8b385ee999ac9ac54d2f284d11","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_637b60be-aa29-4bc4-8724-9699e3907d37"},{"id":"occ_80989cce8d7cb9a187a40449","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_765b9c3e-47e4-44d3-b522-5f22dcc2af6e","section_id":"sec_64850811-da94-468e-9cbd-eab64c889e10","layer":"body","character_id":null,"count":7,"matched_aliases":["DDR5","DRAM","GDDR","GDDR6","LPDDR5"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"- **GPU**：演算プロセッサ本体。メモリにアクセスしてデータを読み書きする側（≒主人公）。\n- **DRAM**：揮発性メモリの総称/技術。PCの**DDR5**、スマホの**LPDDR5(X/6)**、グラフィックス用の**GDDR6/7**、高帯域の**HBM**は “いずれもDRAMの種類”。\n- *","quote_start":0,"quote_end":157,"text_sha256":"f272f355105a3d89fdca7e7c68b8fdcb05a456b555f51d4871737da64cfd6bc3","block_sha256":"f272f355105a3d89fdca7e7c68b8fdcb05a456b555f51d4871737da64cfd6bc3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_765b9c3e-47e4-44d3-b522-5f22dcc2af6e"},{"id":"occ_8b223f2f52cb7d6f2f88bf8b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_86dcf5f3-85b2-4716-8e45-088385114980","section_id":"sec_8c74463a-77ce-4c7c-811a-0d70f5e68aa0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"- 「**N-Hi**」は\\*\\*そのスタックの“DRAMダイの枚数”\\*\\*を表す記号です（**ロジックベースは数えない**）。\n  \n  - **4-Hi / 8-Hi / 12-Hi / 16-Hi** …と増えるほど、**縦方向に何枚積んだか**を示","quote_start":0,"quote_end":129,"text_sha256":"f439ba9f3814c6cba11b67e2cbfa095e65461be77ac5cffe00f70d66d7cab7b5","block_sha256":"f439ba9f3814c6cba11b67e2cbfa095e65461be77ac5cffe00f70d66d7cab7b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_86dcf5f3-85b2-4716-8e45-088385114980"},{"id":"occ_3deb5e6f520978b61e0de1a9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_94a0879c-ddc5-4bc0-b622-75118dd50206","section_id":"sec_fd88b1c3-bbb3-44dd-aea3-6d31b06ca586","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":110,"end":117,"exact":"LPDDR5X","quote":"**B200×2**の“スーパー チップ”なので、表示は**1スーパー チップ**単位。Grace CPU側のLPDDR5Xメモリは別枠です（最大480GB級が一般的ですが、HBMではありません）。([Lenovo Press](https://lenovopress.lenovo.com/lp1732-thinksyst","quote_start":55,"quote_end":217,"text_sha256":"22ee025b3bc72641e3afd5af4c56e7e30d1edabe741ae94f4fb3e92766865bdd","block_sha256":"22ee025b3bc72641e3afd5af4c56e7e30d1edabe741ae94f4fb3e92766865bdd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_94a0879c-ddc5-4bc0-b622-75118dd50206"},{"id":"occ_8fd5b6a444ea8c8882268207","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_959a8467-8e8f-4348-9b48-58fb7b8c73ea","section_id":"sec_589d09c5-a5e9-47f2-a94a-1f57d1d85773","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"GDDR","quote":"## スペック表の読み方・実戦メモ（GDDRとHBM）","quote_start":0,"quote_end":27,"text_sha256":"bf80f7490079a41121690721e7acf325911424776edf50dada73035ce91bfc94","block_sha256":"bf80f7490079a41121690721e7acf325911424776edf50dada73035ce91bfc94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_959a8467-8e8f-4348-9b48-58fb7b8c73ea"},{"id":"occ_b65add1a90d922c25c01570e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_aa78dfbf-d956-488a-b77e-61077ba625cc","section_id":"sec_cc15bd6b-351a-40a1-ad94-9ed06b10698a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## HBMとGPUとDRAMのぜんぶ：バス幅／メモリコントローラ／VRAM容量／スタック（Hi）／ピン速度／帯域まで一気に理解する","quote_start":0,"quote_end":66,"text_sha256":"e6eae40147494d4aa80f55a64200c5317cc0653b8993844c4678013d908b8334","block_sha256":"e6eae40147494d4aa80f55a64200c5317cc0653b8993844c4678013d908b8334","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_aa78dfbf-d956-488a-b77e-61077ba625cc"},{"id":"occ_4208cb8ff295651c1e317527","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_cfc3b4cc-2a35-45d5-957d-45aabcf01bae","section_id":"sec_1a1269f3-a340-4c9e-a8c9-46711ab033b4","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR6"],"evidence":{"text_basis":"markdown","start":889,"end":894,"exact":"GDDR6","quote":"certification-2025-09-12/?utm_source=chatgpt.com))\n- **GDDR6のx32（32 DQ）**：1チップ=**32bit幅**の一次資料。([assets.micron.com](https://assets.micron.com/adobe/assets/urn%3","quote_start":834,"quote_end":994,"text_sha256":"7f60c8ab63dada312cd28f522c7cf94acdc5d6e6ec7cee4ef2d7c38810010148","block_sha256":"7f60c8ab63dada312cd28f522c7cf94acdc5d6e6ec7cee4ef2d7c38810010148","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_cfc3b4cc-2a35-45d5-957d-45aabcf01bae"},{"id":"occ_595714d17cf26aacd3fdf3c9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_d942d964-fdbd-4063-9b78-1a469eefb47a","section_id":"sec_6fcb1fbb-4274-4e78-84a5-0573814eadc5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"- **1つのHBM“塊”のこと。  \n  ロジックベースダイ（下階の管制塔）＋複数枚のDRAMダイを縦に積層**（TSVで接続）したユニットを指します。\n- GPUパッケージの周囲にこの**スタックを複数本**並べます（例：6スタック、8スタック…）。\n- **帯域と容量を“横方向”に足す単位","quote_start":0,"quote_end":148,"text_sha256":"cd24e6ed31ef8ee85fbcd81d9c1b9faab5d5ad28141f5535d9520333427bc49d","block_sha256":"cd24e6ed31ef8ee85fbcd81d9c1b9faab5d5ad28141f5535d9520333427bc49d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_d942d964-fdbd-4063-9b78-1a469eefb47a"},{"id":"occ_a65cbbcda191f3396d98298c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_d9f18eb9-4c6d-429a-a77d-c2a0260dab0a","section_id":"sec_1a1269f3-a340-4c9e-a8c9-46711ab033b4","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"GDDR","quote":"- \\*\\*HBM＝“幅を倍に、積み重ねで容量を伸ばし、短配線で効率を上げる”\\*\\*発想。\n- **GDDR＝“x32チップを並べて幅を作り、レートで速さを足す”発想。  \n  どちらも式に落ちると読みやすい。次にスペック表を見かけたら、（バス幅/8）×Gb/s**と、**密度×Hi×スタック数**を指でな","quote_start":0,"quote_end":155,"text_sha256":"91bf40447610cb7db6d11ca278422d6b5568273f779503e36116198d4387d386","block_sha256":"91bf40447610cb7db6d11ca278422d6b5568273f779503e36116198d4387d386","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_d9f18eb9-4c6d-429a-a77d-c2a0260dab0a"},{"id":"occ_707b4dfcb8ef663aa1d556e8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2","work_id":"wrk_c5776fd4-c51f-4d7f-811d-7493ad4e5e3f","block_id":"blk_fe16925e-7831-4436-8ec3-87608e078ca0","section_id":"sec_a0caf0ad-4d7b-4cde-8608-bee5aacf1928","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DRAM","quote":"- **単位は“1スタック”**（縦積みDRAM＋ベースロジック）。\n- **HBM3**は1スタック**1,024bit**、**HBM4**は**2,048bit**まで拡大（**32チャネル×各64bit**、各チャネルは擬似チャネル×2）。","quote_start":0,"quote_end":124,"text_sha256":"139c2216ddf693e8d8128aeb4ab795ff815ec788f9af4e4958574401adafc913","block_sha256":"139c2216ddf693e8d8128aeb4ab795ff815ec788f9af4e4958574401adafc913","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0d8f6bbc-636e-4d8d-8ba4-920514c5aff2/#blk_fe16925e-7831-4436-8ec3-87608e078ca0"},{"id":"occ_a977d416d17d4e9d72a5030e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6","work_id":"wrk_52c716f7-adad-437c-8d7e-7eb8eeae30d9","block_id":"blk_7f9cbbe7-63ce-4c9a-95e9-fbc91d59f81c","section_id":"sec_77bdf3d3-797a-49a9-bcea-89f4658675d0","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":170,"end":174,"exact":"DDR5","quote":"**iCUE H115i RGB ELITE (280 mm)¥19,800**  \nメモリ Crucial DDR5-6400 32 GB×2 ¥30,310  \nGPU MSI RTX 5070 Ti VENTUS 3X OC ¥169,979  \nSSD (System) Crucial T500 2 TB G","quote_start":115,"quote_end":274,"text_sha256":"f5d4cdab61aaf4de9f54d903c08a6f26644cf0574407cb29173e66a390bbcd6b","block_sha256":"f5d4cdab61aaf4de9f54d903c08a6f26644cf0574407cb29173e66a390bbcd6b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e531107-4090-4b2f-8e19-16fe4d32d8d6/#blk_7f9cbbe7-63ce-4c9a-95e9-fbc91d59f81c"},{"id":"occ_da5fd9a58ac529beaba661dc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_1c63086b-e3f2-4051-a2b6-034de9d34121","section_id":"sec_682f0691-59d7-4301-b3c5-3cbb5d145a1e","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"ic Fabric\n ↓ 光\nOptical CXL / 独自Memory Fabric\n ↓\nPooled DRAM / Memory Appliance\n```","quote_start":16,"quote_end":98,"text_sha256":"8695d923ecaa97b08eca747e24130da731b34629a132de20ce34804027394de7","block_sha256":"8695d923ecaa97b08eca747e24130da731b34629a132de20ce34804027394de7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_1c63086b-e3f2-4051-a2b6-034de9d34121"},{"id":"occ_c3fd0e6a5bf94bbb0c60afcd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_287b1300-fe7b-4f05-9b2a-825fbb34843f","section_id":"sec_0b96c232-675b-467c-8304-45078b514adf","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":266,"end":270,"exact":"DRAM","quote":"キャンパス・データセンター間を接続\n\nMemory Pool\n  └─ 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Memory Poolは汎用HBM代替ではなく、KVキャッシュ・共有DRAM・容量階層として普及\n- NVLink、UALink、Ethernet系Scale-upが併存","quote_start":108,"quote_end":214,"text_sha256":"c18df8411276bcd8fa7626fd47e05b9d954036685d8ad060fd00fb0dfe7bc876","block_sha256":"c18df8411276bcd8fa7626fd47e05b9d954036685d8ad060fd00fb0dfe7bc876","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_4b30737f-31d5-4486-91e6-14718213c08b"},{"id":"occ_cd25c0667f61fd997faebaf3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_5e6e1b8d-484f-4249-b8d0-88b3358f671a","section_id":"sec_d15c0f5e-7d7a-4c02-9740-40967b511660","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DRAM","quote":" NUMA制御\n- ページ移動\n- レイテンシ管理\n- OS・ドライバー\n- AIランタイム\n- HBMと外部DRAMの階層制御","quote_start":12,"quote_end":76,"text_sha256":"b3286b6e2ad0266edea098a9b4366a445aff9483c4d05b904af100b78a1049d5","block_sha256":"b3286b6e2ad0266edea098a9b4366a445aff9483c4d05b904af100b78a1049d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_5e6e1b8d-484f-4249-b8d0-88b3358f671a"},{"id":"occ_436202635acb4caee2692535","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_9a0cb70e-d37e-47c8-a19d-b6c4cd2ddc52","section_id":"sec_d5dd1def-e8b9-4bbb-9750-ca62f4ecf3ed","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"```\nローカルHBM\n＝最高帯域・最低遅延の主記憶\n\nCXL／光接続Memory Pool\n＝大容量DRAM、KVキャッシュ、共有メモリ、補助階層\n```","quote_start":0,"quote_end":78,"text_sha256":"5fc209f89317ad15f6fe465c3290985ce3efe3bdb7c8f8f4d8b56a59687e8a80","block_sha256":"5fc209f89317ad15f6fe465c3290985ce3efe3bdb7c8f8f4d8b56a59687e8a80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_9a0cb70e-d37e-47c8-a19d-b6c4cd2ddc52"},{"id":"occ_626788dfb05d51f0853e0f38","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_d573d372-2cf5-494c-a00a-090cf04dacd6","section_id":"sec_682f0691-59d7-4301-b3c5-3cbb5d145a1e","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":56,"end":60,"exact":"DDR5","quote":"``\nGPU / CPU\n ↓ PCIe / CXL・銅\nStructera CXL Switch\n ↓\n共有DDR5 Memory Pool\n```","quote_start":1,"quote_end":76,"text_sha256":"5bd30936e902b1aa2a94f927c10df5b06280de01436fe2b49e3702dc64d9e766","block_sha256":"5bd30936e902b1aa2a94f927c10df5b06280de01436fe2b49e3702dc64d9e766","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_d573d372-2cf5-494c-a00a-090cf04dacd6"},{"id":"occ_91864a0374154d7b8318e42c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_d784db29-962c-4438-baaf-20ad5219a855","section_id":"sec_619ceab0-d246-44ee-918e-ce81ff466e9b","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":380,"end":384,"exact":"DRAM","quote":" CPOが大規模AIクラスタで一般化 |\n| Memory Pool | CXL銅接続の製品化 | CXL共有DRAM導入 | ラック内プール拡大 | 光Memory Pool実証 | マルチラック光プール初期普及 |\n```","quote_start":325,"quote_end":438,"text_sha256":"f6526971f76c53f0aa41cbd76e278c955290b9dbf71f39dc23f99c30fac19337","block_sha256":"f6526971f76c53f0aa41cbd76e278c955290b9dbf71f39dc23f99c30fac19337","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_d784db29-962c-4438-baaf-20ad5219a855"},{"id":"occ_c938b1fb61882c10f5b89b52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9","work_id":"wrk_dcad52cb-128a-418b-a311-a794c37abfc3","block_id":"blk_f14d2265-d153-4478-993f-86b80106cb46","section_id":"sec_d15c0f5e-7d7a-4c02-9740-40967b511660","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":79,"end":83,"exact":"DRAM","quote":"X／CMXは、KVキャッシュをPod全体に提供するAIネイティブ・ストレージ階層です。これは汎用のコヒーレントDRAM Memory Poolとは異なりますが、外部の共有コンテキストメモリを使う方向性では近いものです。([NVIDIA Developer](https://developer.nvidia.com/b","quote_start":24,"quote_end":183,"text_sha256":"5925fb0d731f6dea010aa17a1aca0bf2a12b729e7c8225d3c4c1f4c510a3a300","block_sha256":"5925fb0d731f6dea010aa17a1aca0bf2a12b729e7c8225d3c4c1f4c510a3a300","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0e8f98f5-ea3d-4d3b-847a-a6846f2569e9/#blk_f14d2265-d153-4478-993f-86b80106cb46"},{"id":"occ_cf16cd03a7123fabdfd351c4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0f7c606d-558f-4edb-99eb-4609a9fb0a95","work_id":"wrk_958dfab7-4e11-4e38-9d35-db36e1f1b2f7","block_id":"blk_5d3732ae-052e-4a2a-9028-d33481d32b20","section_id":"sec_a8711038-c599-4b05-a858-79bbc6a40657","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"HBM4EでもSamsungは4nm logic base dieと1c DRAMを組み合わせ、FoundryとMemory間でdesign/process optimizationを行っている。(Samsung Global Newsroom)","quote_start":0,"quote_end":123,"text_sha256":"772fd8615923fdacc334a2959c4a6ba999d5407b45655a46a3af4203e3264712","block_sha256":"772fd8615923fdacc334a2959c4a6ba999d5407b45655a46a3af4203e3264712","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0f7c606d-558f-4edb-99eb-4609a9fb0a95/#blk_5d3732ae-052e-4a2a-9028-d33481d32b20"},{"id":"occ_9b7e94f3a5fd6fcf87b68094","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_0f7c606d-558f-4edb-99eb-4609a9fb0a95","work_id":"wrk_958dfab7-4e11-4e38-9d35-db36e1f1b2f7","block_id":"blk_8b5558d2-6b84-4024-bd31-a0396b5eaaca","section_id":"sec_4e5d0f98-c313-4894-944f-1ad04e70cdfd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"KV Cache、checkpoint、weights、embeddingなどがHBM/DRAMからSSD階層へ溢れると、storage controllerのsilicon contentも上がる。","quote_start":0,"quote_end":100,"text_sha256":"da773e1fd972ead22d59eeb62b699bce4b09f1b381bb640dc17903c2c518303a","block_sha256":"da773e1fd972ead22d59eeb62b699bce4b09f1b381bb640dc17903c2c518303a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_0f7c606d-558f-4edb-99eb-4609a9fb0a95/#blk_8b5558d2-6b84-4024-bd31-a0396b5eaaca"},{"id":"occ_4dac9b20a785bd95c09ee7cb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_03a70a55-7bac-4db2-a580-74f75d663f56","section_id":"sec_66a09680-4e3b-4ac1-9d28-af43a5d69289","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"1c DRAM＋Samsung Foundry 4nm Logic Base 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容量・速度・積層数 | Memory Fabと歩留まり |\n| Logic Base Die | 2,048-bit I/O、PHY、制御、修復 | 先端FoundryとIP |\n| 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Ultraの8Hi化で問題視している中心も、DRAM供給不足と12Hi HBM4Eのvalidation/yieldである。(TrendForce)","quote_start":0,"quote_end":93,"text_sha256":"d7ba8f3188233bebdb15f39b834d41ae2f1a0c18b4c552d416edd865e48247a3","block_sha256":"d7ba8f3188233bebdb15f39b834d41ae2f1a0c18b4c552d416edd865e48247a3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_18950113-74ac-4e37-b4d8-350e2ca4e713"},{"id":"occ_bfed961d6fd7d80d444e9f21","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_1a89f34f-6d06-41a3-824a-a8d0cc1256b4","section_id":"sec_4cf5e30b-961c-486f-ac06-7382d8edeaf3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"ここで必要になるのは単なるDRAMセルではない。","quote_start":0,"quote_end":24,"text_sha256":"a1986a36b3f6c934ea4f1c4b158614ecae0e485474b34c2b6995d1eb2ed9175f","block_sha256":"a1986a36b3f6c934ea4f1c4b158614ecae0e485474b34c2b6995d1eb2ed9175f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_1a89f34f-6d06-41a3-824a-a8d0cc1256b4"},{"id":"occ_a02065dc95c268212fbb8327","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_29f72bec-c72c-4fb0-85a7-863d394947fd","section_id":"sec_5809c49d-38c8-4493-9c1d-b121a9a93c7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"するとCore DRAM Die需要は、","quote_start":0,"quote_end":20,"text_sha256":"30dcb18d210ba1761f7fca8adb2a003af78021fe3ea3b0fd4cb8c6d76a0ba7db","block_sha256":"30dcb18d210ba1761f7fca8adb2a003af78021fe3ea3b0fd4cb8c6d76a0ba7db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_29f72bec-c72c-4fb0-85a7-863d394947fd"},{"id":"occ_99e22d8b45779f80c9a3055b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_2b0e2009-6a3d-4dd8-b567-2b28ee5a1eb3","section_id":"sec_a5698d67-943b-4017-9a3a-689ca10821aa","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"私は「DRAM Die」「Logic Base Die」「Package」を別々の話題にせず、一つのAIインフラが通過する連続した設計課題として観測します。","quote_start":0,"quote_end":78,"text_sha256":"c48ee80313b88d4f5610a12965b53dbe07ad08ea3cdb58e6d76425b848681ec4","block_sha256":"c48ee80313b88d4f5610a12965b53dbe07ad08ea3cdb58e6d76425b848681ec4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_2b0e2009-6a3d-4dd8-b567-2b28ee5a1eb3"},{"id":"occ_e5c8aefd2c247e45ec732a88","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_324eaf7c-58ba-4381-9fe2-9d48ad16c7fe","section_id":"sec_4abb962c-1317-45c0-8e8d-601bb3a14172","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは基本的に1 transistor＋1 capacitor、いわゆる「1T1C」のメモリセルを大量に敷き詰める。","quote_start":0,"quote_end":60,"text_sha256":"efc1932579ef1699316c1da38c4f6e73b3ad9df241c0cc65711d2c47a4170a3c","block_sha256":"efc1932579ef1699316c1da38c4f6e73b3ad9df241c0cc65711d2c47a4170a3c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_324eaf7c-58ba-4381-9fe2-9d48ad16c7fe"},{"id":"occ_a5874c554f781951f8c35bf9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_3e616746-3fb3-4ea0-a873-fd3d2df34edd","section_id":"sec_52df7249-e998-4cb1-a331-af5af26fa52c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"どれだけDRAM Core Dieを作れてもBase Dieが不足すればHBMにはならない。","quote_start":0,"quote_end":46,"text_sha256":"b64c610e4a09cd0630c69da6be72a5ee31c2f21f5eb43830c7dc603c766f1976","block_sha256":"b64c610e4a09cd0630c69da6be72a5ee31c2f21f5eb43830c7dc603c766f1976","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_3e616746-3fb3-4ea0-a873-fd3d2df34edd"},{"id":"occ_31d3ddfabfdff3f4cef1fa25","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_3f8d845b-6fe0-447b-9647-bc2e37a043be","section_id":"sec_21295a70-9c76-4365-af43-21129940a054","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"つまりDRAM 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Dieを、HBMスタックの最下部に位置し、複数のDRAMダイと外部Logic Chipの間でデータ入出力や制御を担当する半導体ダイと説明している。HBM4では特に、このBase Dieの性能と製造プロセスが帯域幅、消費電力、顧客システム最適化を左右する要素","quote_start":0,"quote_end":142,"text_sha256":"438d0b918ee4048fbb366144448bcc0f7c89eda5aad8b740bf701a430473fb3b","block_sha256":"438d0b918ee4048fbb366144448bcc0f7c89eda5aad8b740bf701a430473fb3b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_42d3b83d-7177-4358-a9d9-9084f73ef948"},{"id":"occ_f0db8d9372da3644738a4d14","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_46cb7e4a-848c-47bd-bd30-80bb44013fef","section_id":"sec_bda9d444-5c2a-4693-8dd4-1163b0f3b3a9","layer":"body","character_id":null,"count":5,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Core Die\n      DRAM Core Die\n      DRAM Core Die\n      DRAM Core Die\n          …\n      DRAM Core Di","quote_start":0,"quote_end":104,"text_sha256":"11fe48a83aac53cbe4d557983ca2326fd23bdde1d0f2f383b241f4a808d91171","block_sha256":"11fe48a83aac53cbe4d557983ca2326fd23bdde1d0f2f383b241f4a808d91171","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_46cb7e4a-848c-47bd-bd30-80bb44013fef"},{"id":"occ_505c2e8d3dfccf116c1652c7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_52cffa63-7cf2-4ef1-a0ab-f4c3477d309d","section_id":"sec_43224412-8fa1-47c5-9f0f-491408e3f161","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM wafer shortage","quote_start":0,"quote_end":19,"text_sha256":"2280d9b1e65221350ba140ff280fbb11187e982ad104c1c8d311dd7da4bee7ac","block_sha256":"2280d9b1e65221350ba140ff280fbb11187e982ad104c1c8d311dd7da4bee7ac","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_52cffa63-7cf2-4ef1-a0ab-f4c3477d309d"},{"id":"occ_6394702ce5d1f1721c2efdf1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_53cac230-b64b-4ac2-9361-45cac40d63f2","section_id":"sec_3c0e653f-703f-4f88-bd03-58f1bb21d7ce","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Core Dieのように8枚、12枚、16枚使うわけではない。","quote_start":0,"quote_end":36,"text_sha256":"673f534e80d4983687e165ef01f5edc989be3689d96ea28ebef25a83fcacccb7","block_sha256":"673f534e80d4983687e165ef01f5edc989be3689d96ea28ebef25a83fcacccb7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_53cac230-b64b-4ac2-9361-45cac40d63f2"},{"id":"occ_889de3cb2a059ba7ddf2a389","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_54e49878-793e-45e1-9c83-1e490d15188d","section_id":"sec_b4ba276a-3e1a-4ffc-9c68-a10016907ad0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"SK hynix\n  └ DRAM Core Die\n       ↓","quote_start":0,"quote_end":35,"text_sha256":"d23235c5177aa41af640ed5c6b2e400a6f772a4d299caa4adecc3d47afc0d518","block_sha256":"d23235c5177aa41af640ed5c6b2e400a6f772a4d299caa4adecc3d47afc0d518","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_54e49878-793e-45e1-9c83-1e490d15188d"},{"id":"occ_afd3e8f127b86d5cfe34363e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_55d41eb3-3ea2-47d4-8ca8-313ef37d563a","section_id":"sec_5809c49d-38c8-4493-9c1d-b121a9a93c7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"1 stack当たりのDRAM Core 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Dieを使用し、12Hiで48GB、14Gbpsを安定動作させ、16Gbpsまでの拡張を想定している。8Hi 32GB、16Hi 64GBも製品ラインと","quote_start":0,"quote_end":124,"text_sha256":"ddae888a0040a13356a0fa217a163b4ede1bc4dafe0d63dc4d3ae168ff94268c","block_sha256":"ddae888a0040a13356a0fa217a163b4ede1bc4dafe0d63dc4d3ae168ff94268c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_9a490dd7-14f4-431d-b665-4ca0f22ef591"},{"id":"occ_2fbe527b363c2f106c990329","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_a4c61998-ed83-4cdc-9da3-12ff2be7c41a","section_id":"sec_21295a70-9c76-4365-af43-21129940a054","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"さらにHBM向けウェーハ投入量がメモリ御三家のDRAM wafer 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HBMで増えるIPと設計固定費を確認する","quote_start":0,"quote_end":110,"text_sha256":"2b0bedc2606b53b23c600a202a3b2d5bea8e27383d0480b7ef9280310d58f5eb","block_sha256":"2b0bedc2606b53b23c600a202a3b2d5bea8e27383d0480b7ef9280310d58f5eb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_a64ecb55-f61c-4d81-8b55-3d216d6a53e2"},{"id":"occ_a8d9e1851c6dc99530f2cbb6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_aaabf768-13ee-46ba-b4b4-eec2d0777bb3","section_id":"sec_5809c49d-38c8-4493-9c1d-b121a9a93c7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"HBMを8Hi化してDRAM不足を緩和すると、ボトルネックがFoundryやPackaging側へ移動していくのである。","quote_start":0,"quote_end":60,"text_sha256":"4060e5074d57b8add27d52df3137fb6b1f91b25ed561893f76d1ffe2b71782fa","block_sha256":"4060e5074d57b8add27d52df3137fb6b1f91b25ed561893f76d1ffe2b71782fa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_aaabf768-13ee-46ba-b4b4-eec2d0777bb3"},{"id":"occ_6fcb5910daa7c49819ae1e2e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_b147dde2-4c04-4884-8c54-93932645b623","section_id":"sec_d5edbb43-1142-456a-bf7f-fe3da59ba3af","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"Samsung、SK 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HBM4Eの検証・量産歩留まりに関する不確実性がある。最終仕様はまだ決まっていない。(TrendForce)","quote_start":0,"quote_end":79,"text_sha256":"3b3187a6a8774d6caf7c9d55d0bc6ba72ca504f2bbd5fd57f803895e26b113f2","block_sha256":"3b3187a6a8774d6caf7c9d55d0bc6ba72ca504f2bbd5fd57f803895e26b113f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9/#blk_dd218aeb-eeb3-4e6d-8692-d88620ecfd12"},{"id":"occ_38d2d2a0111d4b3c0e35539a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_107f711f-ec27-4af9-b9da-f5facd0cd7f9","work_id":"wrk_203966e1-a3ed-45b5-9fb2-87ae0e667482","block_id":"blk_e55884d6-471e-44f8-ad18-587e86642e6a","section_id":"sec_4abb962c-1317-45c0-8e8d-601bb3a14172","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM 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|\n| Cisco | NVIDIA・Broadcom・Arista |\n| DRAM・CPU | HBM・GPU・ASIC |\n| Sun・Oracle | AIクラウド・データ基盤 |\n| WorldCom・Global Crossing | GPUクラウド・AIDC事業者 |\n|","quote_start":33,"quote_end":192,"text_sha256":"a560202eabd14b445a971c345ad1cae80eb096a5054fa45474a4b4c541a64253","block_sha256":"a560202eabd14b445a971c345ad1cae80eb096a5054fa45474a4b4c541a64253","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_120b7405-aefc-4d5d-a68b-9713613e3e1f/#blk_0fbdd02e-238a-40f7-a66b-e4966beeaf20"},{"id":"occ_fe426999b744d95eba88a4af","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_120b7405-aefc-4d5d-a68b-9713613e3e1f","work_id":"wrk_91a0ac80-8870-4ec9-b8a6-4081acad5334","block_id":"blk_69c0bbef-05a8-4507-aace-2ffb60cb0c72","section_id":"sec_54c538dd-2900-48bd-928a-17704c0f7ab5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"IntelやDRAMでは、","quote_start":0,"quote_end":13,"text_sha256":"55dcd96bfdd4040376ccd8431e5a5a316dd941ed24a54f9109999bfe64389208","block_sha256":"55dcd96bfdd4040376ccd8431e5a5a316dd941ed24a54f9109999bfe64389208","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_120b7405-aefc-4d5d-a68b-9713613e3e1f/#blk_69c0bbef-05a8-4507-aace-2ffb60cb0c72"},{"id":"occ_aa485c9a19c701215ae035b8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_1246df84-dae2-49be-ab7b-94b8c8902078","work_id":"wrk_850e2d1d-c6db-443c-b02a-baac2573c6d3","block_id":"blk_03633fc5-047c-4da1-a500-142ae8ef93fc","section_id":"sec_1e4f906a-a549-4138-99c9-4ffa8f37214a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"Samsung公式資料は、全氏が20nm級・10nm級DRAMやV-NANDの量産拡大に関与し、半導体競争力の再建を担っていると説明している。","quote_start":0,"quote_end":71,"text_sha256":"64eed3ff8351158428205703719e7e8e39f507c4f4beeb208295b643aea0b3ff","block_sha256":"64eed3ff8351158428205703719e7e8e39f507c4f4beeb208295b643aea0b3ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1246df84-dae2-49be-ab7b-94b8c8902078/#blk_03633fc5-047c-4da1-a500-142ae8ef93fc"},{"id":"occ_51ec8fb47e68260d329b455e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_1246df84-dae2-49be-ab7b-94b8c8902078","work_id":"wrk_850e2d1d-c6db-443c-b02a-baac2573c6d3","block_id":"blk_17f0c608-d3cc-4e8b-ba47-0c4f0f141848","section_id":"sec_9be53dce-6f90-49f1-b835-59a2b96a543d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":82,"end":86,"exact":"DRAM","quote":"年1月には米国へ調査団を派遣していた。設備投資額、技術水準、市場規模、損益分岐点、生産能力まで検討したうえで、DRAMへ参入する計画が作られた。","quote_start":27,"quote_end":99,"text_sha256":"a49c38195f6d9cd30ad5edb68683920eb6e6892dc9303b85859a5786936a851e","block_sha256":"a49c38195f6d9cd30ad5edb68683920eb6e6892dc9303b85859a5786936a851e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_1246df84-dae2-49be-ab7b-94b8c8902078/#blk_17f0c608-d3cc-4e8b-ba47-0c4f0f141848"},{"id":"occ_4dd45fcc2e0c2bb41e95ff6f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_1246df84-dae2-49be-ab7b-94b8c8902078","work_id":"wrk_850e2d1d-c6db-443c-b02a-baac2573c6d3","block_id":"blk_234a890e-c6ce-4130-b903-a97690d9ea71","section_id":"sec_35643525-21e1-4999-8b6f-eb1a9c4a5b66","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"## 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DRAM\n- HBM\n- NAND\n- eSSD\n- ファウンドリ\n- GAA\n- ロジックベースダイ\n- 先端パッケージ\n- OLED\n- スマートフォン\n- テレビ\n- 家電\n- MLCC\n- 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米国の原価管理と経営\n- 日本のDRAM設計・プロセス技術\n- 台湾の大量生産能力\n- モバイル顧客\n- 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| 50億ドル |\n| センサー | 250万台×3,000ドル | 75億ドル |\n| 端末DRAM・NAND | 250万台×800ドル | 20億ドル |\n| 中央AI計算 | 1,000万台×1,000ドル | 100億ドル |\n| データ・シミュレーション・安全 | 1,000万台×1,50","quote_start":146,"quote_end":305,"text_sha256":"3bdd6205dd46738fcecbbb3cd9cd67fbdd345999263e381c81b5d64ecbc1c7a8","block_sha256":"3bdd6205dd46738fcecbbb3cd9cd67fbdd345999263e381c81b5d64ecbc1c7a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_15381314-c653-4ce9-9b25-d8495cdbf4d1/#blk_5105fb64-40f6-4ced-9024-b3c26daa220e"},{"id":"occ_afdea231ebb28af03e849d80","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_15381314-c653-4ce9-9b25-d8495cdbf4d1","work_id":"wrk_220c8e7e-eccc-4357-89f5-9a6b78a08a7c","block_id":"blk_510fc509-d7cd-4906-920b-dcf9066df9a6","section_id":"sec_37f0f986-ee5e-4a89-ad69-e8249b24b033","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## 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KVキャッシュ\n- 高速なGDDR・LPDDR\n- TTS候補のバッチ並列\n- World 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35～75% | 15～50% |\n| DRAM・NAND・ストレージ | 50億～180億ドル | 20～55% | −5～30% |\n| センサー・ビジョン | 50億～200億ドル | 35～80% | 10～50% |\n| ネットワーク 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cache、小ブロック読み出しをGPU近傍に置くための、HBMの外側の高速大容量階層である。","quote_start":0,"quote_end":138,"text_sha256":"c6d5a6870b897c6ac3cd8563d15d617382701e6bc913eda3fe4184dff08f61cc","block_sha256":"c6d5a6870b897c6ac3cd8563d15d617382701e6bc913eda3fe4184dff08f61cc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_01f95bb3-acaa-46bb-b91a-1198d6d3a69f"},{"id":"occ_252e8d69b3e26fada69ed846","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_0203e890-9e36-4e31-81de-01720389e386","section_id":"sec_c4e9f6b6-c1d5-4227-839e-6b8fc2cc4f9f","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DDR5","quote":"ンフラ時代の特徴は、顧客が単に安い時に買うのではなく、将来の供給枠そのものを押さえに来ている点にある。HBM、DDR5、MRDIMM、SOCAMM、eSSD、HBF、XL-FLASHは、余った時に買えばよい部品ではなく、GPUクラスタ、推論サービス、AIストレージ、RAG基盤の稼働率を決める戦略部材になっている。","quote_start":6,"quote_end":163,"text_sha256":"4e35909f31d5c22d149bd1fb354c915fc332952a2afd9c1736690f2590a798f4","block_sha256":"4e35909f31d5c22d149bd1fb354c915fc332952a2afd9c1736690f2590a798f4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_0203e890-9e36-4e31-81de-01720389e386"},{"id":"occ_ced660584e4644fa4a758b77","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_094b8189-a007-4428-a309-34a31ca11e60","section_id":"sec_41bae2ab-2bf6-443b-9962-4d1083fe8935","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":74,"end":78,"exact":"DRAM","quote":"くなるか」だけではありません。AIがどの階層の記憶を必要とし、その供給枠を誰が握るのかです。HBMだけでなく、DRAM、NAND、契約、政治リスクまで含めて見た時、メモリは単なる部品ではなく、AIインフラの速度を決める門になります。","quote_start":19,"quote_end":135,"text_sha256":"642f45b263ae7c7c05fe4c3b1b375a4a14c9a721b6b64abc098cca68353d2b9f","block_sha256":"642f45b263ae7c7c05fe4c3b1b375a4a14c9a721b6b64abc098cca68353d2b9f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_094b8189-a007-4428-a309-34a31ca11e60"},{"id":"occ_f230d18cfff714c8ae2177ef","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_0c1daa6e-94f0-4e93-8aeb-5c538fd6aade","section_id":"sec_ebc8584f-1bfd-42f0-a06e-aecd2f466634","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":88,"end":92,"exact":"DRAM","quote":"take-or-pay顧客側が購入義務を負う価格下限不況時の利益率を守る価格上限顧客側の価格暴騰リスクを抑えるDRAM/NANDの一定比率をカバー売上の一部が契約化される顧客預託・金融コミットメント顧客の本気度が高い","quote_start":33,"quote_end":141,"text_sha256":"4eac41c85e1ea62b8e2ef9f478fe409edf000ccd1ad019d118fa256a8d6e973f","block_sha256":"4eac41c85e1ea62b8e2ef9f478fe409edf000ccd1ad019d118fa256a8d6e973f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_0c1daa6e-94f0-4e93-8aeb-5c538fd6aade"},{"id":"occ_00f3982b01208ede7741a905","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_16f6e3de-43cc-4862-9ab7-72e415478ede","section_id":"sec_84a5f789-2837-4ccb-ac8e-0c5014df6eff","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DRAM","quote":"サーバー向けの収益性が高く、顧客がLTAや前払いまで受け入れているなら、メモリメーカーが独立にHBMやサーバーDRAMへ生産を振り向けるのは経済合理的だからだ。","quote_start":12,"quote_end":92,"text_sha256":"4d568df0744f47f843ff1fb616ff14f55335c0190cdd704580b71d06da6aaa84","block_sha256":"4d568df0744f47f843ff1fb616ff14f55335c0190cdd704580b71d06da6aaa84","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_16f6e3de-43cc-4862-9ab7-72e415478ede"},{"id":"occ_aa33d2395036bc47b63789cd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_1bd74e1d-e0f0-4f59-8b41-c94b149961b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hynix/Micronとは少し違う。\n彼らはDRAM/HBM企業ではなく、NAND特化のAIストレージ企業である。","quote_start":0,"quote_end":85,"text_sha256":"85c5085dc33a367366f5fa9cfe218135cbb55d13e9dbf5920793c109bf7d46ab","block_sha256":"85c5085dc33a367366f5fa9cfe218135cbb55d13e9dbf5920793c109bf7d46ab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_1bd74e1d-e0f0-4f59-8b41-c94b149961b3"},{"id":"occ_fe3cfd09bd1eb48ebc193a9a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_1cdd024b-d5dd-4c34-a97d-a09335993719","section_id":"sec_2e93b114-2444-4125-b98e-179d333fbf7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"この構造があるため、TrendForceは2026年DRAM市場を6,187億ドル、2027年を9,033億ドルへ上方修正している[G]。","quote_start":0,"quote_end":69,"text_sha256":"1073adfbc8026d357eee98002067aafd4eb7c953f69f8a43d754d8a619c6946a","block_sha256":"1073adfbc8026d357eee98002067aafd4eb7c953f69f8a43d754d8a619c6946a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_1cdd024b-d5dd-4c34-a97d-a09335993719"},{"id":"occ_6e8b4e640eee370f8edc01df","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_1e9882de-3912-4aab-b2a1-ff27d59daedf","section_id":"sec_2e93b114-2444-4125-b98e-179d333fbf7d","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR4","DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"これは非常に重要である。\nHBMは大量の先端DRAMウェハを消費するにもかかわらず、出荷ビット量としては通常DRAMほど増えない。つまり、HBMが増えるほど、DDR5、RDIMM、MRDIMM、SOCAMM、LPDDR、DDR4などに回る供給が削られる","quote_start":0,"quote_end":126,"text_sha256":"10bfc87e5f1d132b7c24ea3507faaa4d2c385a545307308969544f62d15a6a4e","block_sha256":"10bfc87e5f1d132b7c24ea3507faaa4d2c385a545307308969544f62d15a6a4e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_1e9882de-3912-4aab-b2a1-ff27d59daedf"},{"id":"occ_4653b79e12d6895afee29e54","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_1eeee5ce-1278-4b7c-8841-1a0620bfd78e","section_id":"sec_7f61f3c0-f804-4efc-b616-f9dce5d8a9c6","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":70,"end":74,"exact":"DDR5","quote":" Kioxia / SanDisk |\n| :--- | :--- | :--- |\n| 主戦場 | HBM、DDR5、MRDIMM、SOCAMM、DRAM、eSSD | TLC/QLC eSSD、XL-FLASH、HBF |\n| 最大の利益源 | HBMとサーバーDRAM | AI推論ストレージと高付加価値NAND","quote_start":15,"quote_end":174,"text_sha256":"ef04a458decaa56b3651e5bb3a5ea628f2432b6cbb38e014b8d01363a90e287b","block_sha256":"ef04a458decaa56b3651e5bb3a5ea628f2432b6cbb38e014b8d01363a90e287b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_1eeee5ce-1278-4b7c-8841-1a0620bfd78e"},{"id":"occ_714502d18212a83320f3f689","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_27593fa9-e84e-4b11-8c6e-99ebb445611e","section_id":"sec_e57b77a5-b2fd-4f70-9f0a-faf92937618a","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DDR5","quote":"この答えが見えてくるのは、HBM4E/HBM5、DDR5/MRDIMM/SOCAMM、QLC eSSD、HBF/XL-FLASHの2028年契約価格と供給状況が明らかになる時である。\n主な根拠メモ\n[A] NVIDIAはFY2027 Q1に売上816億ドル","quote_start":0,"quote_end":128,"text_sha256":"15d6618389dcfc41452d78162e1da65e9ddd9a17ed9dabcbdd70447d76e630e7","block_sha256":"15d6618389dcfc41452d78162e1da65e9ddd9a17ed9dabcbdd70447d76e630e7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_27593fa9-e84e-4b11-8c6e-99ebb445611e"},{"id":"occ_fe17d8ef62019c2029691955","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_2c525017-f6fc-4e16-bf14-10423d6c58e3","section_id":"sec_228d3d78-5969-4ec8-be32-9eb31c0c65ba","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":131,"end":135,"exact":"DDR5","quote":"2028年に価格正常化。ただしAI向けが下支え | 約3,200億ドル |\n| 不足継続シナリオ | HBM、DDR5、MRDIMM、SOCAMM、eSSD、QLC NAND不足が継続 | 約5,900億ドル |\n| サイクル下落シナリオ | 2027年ピーク後、2028年に供給増・在庫反動 | 約1,650億ドル ","quote_start":76,"quote_end":235,"text_sha256":"686466a858b245c5935dda750ad6620918e8111bbc4d591bb5e3df987fe197d5","block_sha256":"686466a858b245c5935dda750ad6620918e8111bbc4d591bb5e3df987fe197d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_2c525017-f6fc-4e16-bf14-10423d6c58e3"},{"id":"occ_f36fd5bacdcbc6698d06a773","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_35c35bed-bca5-4562-a229-10781c87292d","section_id":"sec_b71906f7-9849-4209-8f85-69360862d6f0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"ここで整理すると、メモリ御三家はHBMとサーバーDRAM、Kioxia/SanDiskはAI推論ストレージと高付加価値NANDという役割分担になる。","quote_start":0,"quote_end":74,"text_sha256":"29e72b46876cb966da34ab73fefed212f170f0bc3e7e802ccd04c20915607fa8","block_sha256":"29e72b46876cb966da34ab73fefed212f170f0bc3e7e802ccd04c20915607fa8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_35c35bed-bca5-4562-a229-10781c87292d"},{"id":"occ_060d37a5adc6108bc8a8e28f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_420cdaf3-bc15-482e-83fc-cf4dd0a9fdbf","section_id":"sec_2e93b114-2444-4125-b98e-179d333fbf7d","layer":"body","character_id":null,"count":6,"matched_aliases":["DDR4","DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"HBM不足\n→ 先端DRAMウェハ不足\n→ サーバーDDR5/RDIMM/MRDIMM不足\n→ 通常DDR5/DDR4不足\n→ DDR3や成熟DRAMへの仕様ダウングレード\n→ DRAM全体のASP上昇","quote_start":0,"quote_end":101,"text_sha256":"5a898d2a9e832a035afdb99c06f3bc5025bb34dd8f0c550817427c65ff9d657e","block_sha256":"5a898d2a9e832a035afdb99c06f3bc5025bb34dd8f0c550817427c65ff9d657e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_420cdaf3-bc15-482e-83fc-cf4dd0a9fdbf"},{"id":"occ_3e3978bdcfbac5962c541e57","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_42b6abbe-f45b-4e22-b29b-062669195ff1","section_id":"sec_84a5f789-2837-4ccb-ac8e-0c5014df6eff","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR4","DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"最近、Samsung、SK hynix、Micronに対して、米国でDRAM価格固定をめぐる集団訴訟が提起された。訴状では、3社がHBMへのシフトを口実にDDR3/DDR4供給を絞り、通常DRAM価格を押し上げたと主張されている。ただし、現時点ではあくまで提訴段階であり、違法","quote_start":0,"quote_end":138,"text_sha256":"8b8fd4f944a3558ea73d9160686f8ea17c33b09dc4783703f234801ee4a83040","block_sha256":"8b8fd4f944a3558ea73d9160686f8ea17c33b09dc4783703f234801ee4a83040","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_42b6abbe-f45b-4e22-b29b-062669195ff1"},{"id":"occ_7ff1adbe7bd5b84924c94cdc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_497d79fc-215c-4802-9b19-020326392ac9","section_id":"sec_2e93b114-2444-4125-b98e-179d333fbf7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":38,"end":42,"exact":"DRAM","quote":"今回のメモリ相場は、単なる在庫循環ではない。中心にあるのは、HBMによる先端DRAMウェハの吸収である。","quote_start":0,"quote_end":52,"text_sha256":"17b354ab9063a8ad3a65d8039494b57caeb917ce7f076997e909283faae2c231","block_sha256":"17b354ab9063a8ad3a65d8039494b57caeb917ce7f076997e909283faae2c231","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_497d79fc-215c-4802-9b19-020326392ac9"},{"id":"occ_424352676361171893b7af9e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_550a80a1-edff-498c-923a-1cab701a5536","section_id":"sec_f8fe734f-cddf-48c7-82c5-32e488b9f0b7","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DDR5","quote":"シナリオB：不足継続シナリオ\nHBM4E、HBM5、DDR5、MRDIMM、SOCAMM、eSSD、QLC NANDが2028年以降も不足し続ける。","quote_start":0,"quote_end":74,"text_sha256":"027911263d298f3ab2dae638b55008a35c835319dfdb33593882395aef05b511","block_sha256":"027911263d298f3ab2dae638b55008a35c835319dfdb33593882395aef05b511","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_550a80a1-edff-498c-923a-1cab701a5536"},{"id":"occ_6e5fd9496599f5990242c6de","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_5e7bfc98-178f-4b9c-afd2-054e94139c66","section_id":"sec_c8c32ee0-dbf7-4571-aef3-50d8a38741ae","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"この問いは、HBM、DRAM、NAND、eSSD、HBF、XL-FLASHの需給に、LTAという新しい論点を加えて考える必要がある。","quote_start":0,"quote_end":66,"text_sha256":"dbc8dedafbffa8830342058726593fb6c81652bb778823910ce06dd729d5f272","block_sha256":"dbc8dedafbffa8830342058726593fb6c81652bb778823910ce06dd729d5f272","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_5e7bfc98-178f-4b9c-afd2-054e94139c66"},{"id":"occ_e6cce075be210105dde7918c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_6913e8f2-2264-47ce-8ae9-c686dc8a6509","section_id":"sec_591f3a03-0299-42b3-8432-d81b0dcf6642","layer":"character","character_id":"sil_kathna","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":85,"end":89,"exact":"DRAM","quote":"を築く者たちである。KioxiaとSanDiskは、より深い地下に大容量の書庫を掘る者たちである。人々はそれをDRAM、HBM、NAND、eSSDと呼ぶ。だが私には、計算する文明が、自らの記憶器官を拡張しているように見える。","quote_start":30,"quote_end":142,"text_sha256":"d6fe6a2f4b3ba6af3a5fd112e399de105f5df02dee2347c9605305cf4af4dfc9","block_sha256":"d6fe6a2f4b3ba6af3a5fd112e399de105f5df02dee2347c9605305cf4af4dfc9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_6913e8f2-2264-47ce-8ae9-c686dc8a6509"},{"id":"occ_a31db76981a626fde307f893","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_6d4f10ae-bef2-4a94-9ec9-78423ad1f8d5","section_id":"sec_d83cfa43-a072-4293-94a9-74d191083457","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DDR5","quote":"HBM4E、HBM5、DDR5、MRDIMM、SOCAMM、eSSD、QLC NAND、HBF、XL-FLASHが同時に伸びる。","quote_start":0,"quote_end":64,"text_sha256":"eeda719db6ac413e08fb2b37b025b302d2171c337c238569fb88a0d606dee638","block_sha256":"eeda719db6ac413e08fb2b37b025b302d2171c337c238569fb88a0d606dee638","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_6d4f10ae-bef2-4a94-9ec9-78423ad1f8d5"},{"id":"occ_11474330802bc18b3a86a4fc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_76dff0c2-d3ca-4d78-b154-ccd3744c10e4","section_id":"sec_41bae2ab-2bf6-443b-9962-4d1083fe8935","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":52,"end":56,"exact":"DRAM","quote":"GPUは考えるための炉です。けれど、炉だけではAIは動きません。すぐ隣にHBMがあり、その外側にサーバーDRAMがあり、さらにeSSD、QLC NAND、HBF、XL-FLASHが広がる。推論が長文化し、エージェントが履歴を持ち、RAGが企業データを抱えるほど、記憶の階層は深くなります。","quote_start":0,"quote_end":144,"text_sha256":"ab1c3953d45ee4e1f4155068f87bd6060d2d161adc2b56212352c62b4403ecf6","block_sha256":"ab1c3953d45ee4e1f4155068f87bd6060d2d161adc2b56212352c62b4403ecf6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_76dff0c2-d3ca-4d78-b154-ccd3744c10e4"},{"id":"occ_f9ed4edb5e4bd12d92992973","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_7727e126-3da9-4bd5-8e69-64206c343f6a","section_id":"sec_b0718de1-321b-48fe-a9e5-82a6a031bcc1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"HBFとXL-FLASHは、HBMの完全代替ではない。\nHBMは演算直結の超低レイテンシDRAMである。\nHBF/XL-FLASHは、モデル重み、巨大ベクトルDB、RAG、KV cache、頻繁な小ブロック読み出しをGPU近傍に置くための「HBMの外側の高速大容量階層」である。","quote_start":0,"quote_end":139,"text_sha256":"bc17269a71c2241c8ee7592e7ced285402c5115e30e5a78626986559ba9c094f","block_sha256":"bc17269a71c2241c8ee7592e7ced285402c5115e30e5a78626986559ba9c094f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_7727e126-3da9-4bd5-8e69-64206c343f6a"},{"id":"occ_e450733c4c3d81ea9030ce92","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_77d0549a-7a26-4076-908f-e1fdd5c6e3f1","section_id":"sec_e57b77a5-b2fd-4f70-9f0a-faf92937618a","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBMは先端DRAMウェハを大量に消費する。\nAIサーバーDRAMはGPU/ASIC増加とともに伸びる。\neSSDはAI推論、RAG、KV cache、HDD代替で伸びる。\nNOR/SLC NANDは成熟品撤退により構造","quote_start":0,"quote_end":110,"text_sha256":"ccda25410ecec8be0a6fd74d78ae7561ea8dc0daa13edba5253bbf7cd900e643","block_sha256":"ccda25410ecec8be0a6fd74d78ae7561ea8dc0daa13edba5253bbf7cd900e643","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_77d0549a-7a26-4076-908f-e1fdd5c6e3f1"},{"id":"occ_ec949a78724cefa8bacf0d2d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_79770016-3c64-4f4f-908c-4b21ecba837b","section_id":"sec_d0421a31-f695-4893-84c6-a38e03a157bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"好況期。DRAM価格が上がる。営業利益率が急上昇する。投資家が興奮する。","quote_start":0,"quote_end":36,"text_sha256":"537b7cbce5ec3c8c3450bd7a0e0fbbea2d7c3fb196a02e516d244ea24a9a4ccf","block_sha256":"537b7cbce5ec3c8c3450bd7a0e0fbbea2d7c3fb196a02e516d244ea24a9a4ccf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_79770016-3c64-4f4f-908c-4b21ecba837b"},{"id":"occ_90479ce0dfd8103861d34642","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_85a2059f-489a-46ff-99dc-eb506c6cb1bc","section_id":"sec_228d3d78-5969-4ec8-be32-9eb31c0c65ba","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":39,"end":43,"exact":"DRAM","quote":"どれだけ利益が出ても、「どうせまた赤字になる」「どうせ供給過剰になる」「どうせDRAM価格は崩れる」そう見られてきた。","quote_start":0,"quote_end":59,"text_sha256":"ba1249f2784d52d88ed0d6eda41c405fb8793d63ddd25071cf2b1200bc0227c2","block_sha256":"ba1249f2784d52d88ed0d6eda41c405fb8793d63ddd25071cf2b1200bc0227c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_85a2059f-489a-46ff-99dc-eb506c6cb1bc"},{"id":"occ_d53a2828de4a1d78af90c618","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_93721fa2-422d-4533-a3b8-392c2a9c97f2","section_id":"sec_c4e9f6b6-c1d5-4227-839e-6b8fc2cc4f9f","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":120,"end":124,"exact":"DRAM","quote":"時代のメモリサイクル\n  AI需要が長期化する\n  ↓\n顧客が供給枠をLTAで押さえる\n  ↓\nメーカーが先端DRAM / HBM / eSSDへ能力を振り向ける\n  ↓\n通常DRAMや成熟NANDまで供給が締まる\n  ↓\nサイクルの谷が浅くなる可能性が出る\n```","quote_start":65,"quote_end":198,"text_sha256":"5f21a8caa073eafc29e770db241d5bc005ff0418dfa2dafc34ca38695b1c1d0a","block_sha256":"5f21a8caa073eafc29e770db241d5bc005ff0418dfa2dafc34ca38695b1c1d0a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_93721fa2-422d-4533-a3b8-392c2a9c97f2"},{"id":"occ_c71449156e86c671081c841c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_9a1b9d67-c3e5-43db-9b0f-6102b640d522","section_id":"sec_b71906f7-9849-4209-8f85-69360862d6f0","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM側は、すでにLTAがかなり明確に出てきている。NAND側は、まだDRAMほど明確ではないが、eSSDとAIストレージ需要が本物なら、同じ方向へ向かう可能性がある。","quote_start":0,"quote_end":85,"text_sha256":"b232692d1c9731247951a33bbc5a9b10e610c0147e572e3628da877a618444c1","block_sha256":"b232692d1c9731247951a33bbc5a9b10e610c0147e572e3628da877a618444c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_9a1b9d67-c3e5-43db-9b0f-6102b640d522"},{"id":"occ_e122b098c7594a1c3bfe6a09","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_9cddcb6f-6557-4f9d-8802-da7e41a93d96","section_id":"sec_f7f7d5d0-ccb3-4254-85ec-77fba0681b01","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"KioxiaはDRAM企業ではない。SanDiskもHBM企業ではない。","quote_start":0,"quote_end":36,"text_sha256":"568a04561f649e3d38414b15bc591254e6b9ec7fe2f9e78acad457b445f0556b","block_sha256":"568a04561f649e3d38414b15bc591254e6b9ec7fe2f9e78acad457b445f0556b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_9cddcb6f-6557-4f9d-8802-da7e41a93d96"},{"id":"occ_527b98e590b4c6df06214e68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_a7d7cea4-b099-4778-8f9a-91074102459b","section_id":"sec_f8fe734f-cddf-48c7-82c5-32e488b9f0b7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":86,"end":90,"exact":"DRAM","quote":"割安ではなかったという展開になる。\nただし、過去のメモリ不況のように完全赤字化するよりは、HBM、AIサーバーDRAM、eSSDが下支えして「高利益から中利益への調整」になる可能性が高い。","quote_start":31,"quote_end":125,"text_sha256":"fc99613bc23eac2cacdb165ae52321955e4df49027810f24fa83149982b20915","block_sha256":"fc99613bc23eac2cacdb165ae52321955e4df49027810f24fa83149982b20915","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_a7d7cea4-b099-4778-8f9a-91074102459b"},{"id":"occ_352ee4b6f11e8e22ec811943","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_b046eb9c-6e7f-48e4-b469-8bdad5cf1c31","section_id":"sec_c4e9f6b6-c1d5-4227-839e-6b8fc2cc4f9f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":94,"end":98,"exact":"DRAM","quote":"どれだけの売上がLTAやSCAで見えているか。価格下限があるのか。前払いがあるのか。HBM向けウェハ投入が通常DRAMをどれだけ削るのか。AI向けeSSDやHBFがNANDをどれだけ高付加価値化するのか。そこまで見ないと、利益の持続性を読めない。","quote_start":39,"quote_end":162,"text_sha256":"08e1ed4a09058ff6e11984d6a00a74546f1a8b4282171ea5e81d8018a9a125c7","block_sha256":"08e1ed4a09058ff6e11984d6a00a74546f1a8b4282171ea5e81d8018a9a125c7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_b046eb9c-6e7f-48e4-b469-8bdad5cf1c31"},{"id":"occ_7cfee24e4a4ea84b095f441f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_b5c88e17-572e-4d34-aa11-922ed3c9778c","section_id":"sec_f7f7d5d0-ccb3-4254-85ec-77fba0681b01","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"ただし、NANDはDRAM以上に価格変動が荒い。したがってKioxia/SanDiskの1兆ドルシナリオには、eSSD需要の継続、HBF/XL-FLASHの採用、NANDの長期契約化が必要になる。","quote_start":0,"quote_end":98,"text_sha256":"f5bb0778e30076fbcba259bbeee6ab7c073997e4a1f33008509faecd15c368d7","block_sha256":"f5bb0778e30076fbcba259bbeee6ab7c073997e4a1f33008509faecd15c368d7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_b5c88e17-572e-4d34-aa11-922ed3c9778c"},{"id":"occ_ea0ed9bd33f8c8053f52d106","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_b7cc015f-8e25-41ce-84d9-eb4f67a06182","section_id":"sec_560a0f2d-09fd-4c9d-b87b-e0dd5179caba","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"| 指標 | 危険サイン |\n| --- | --- |\n| DRAM/NAND価格 | 上昇率鈍化後に価格水準も崩れる |\n| HBM価格 | プレミアム縮小 |\n| 粗利率 | 高止まりから低下ガイダンスへ |\n| 在庫 | 顧客在庫・メーカー在庫の増加 |\n| C","quote_start":0,"quote_end":135,"text_sha256":"2be2b4903d68fc259524ff65861cfc79622485f4562b5f3c5679262a7bf26ca9","block_sha256":"2be2b4903d68fc259524ff65861cfc79622485f4562b5f3c5679262a7bf26ca9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_b7cc015f-8e25-41ce-84d9-eb4f67a06182"},{"id":"occ_8d51275e15f630aa47811c86","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_b804c890-1ad8-4a13-866a-d26fc0c98faa","section_id":"sec_f5c766c0-46c1-4117-a4ca-511b90ac93c5","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":117,"end":121,"exact":"DDR5","quote":"。Samsungは新規契約に3年以上のLTAを適用する方針とされ、SK hynixはMicrosoft向け3年DDR5契約、Google向け最大5年の汎用DRAM契約を進めていると報じられている。(TrendForce)","quote_start":62,"quote_end":172,"text_sha256":"4a8af1168cc4440a3ab26ba944a44c0b805bba04134cf0a1c953aea20efa9978","block_sha256":"4a8af1168cc4440a3ab26ba944a44c0b805bba04134cf0a1c953aea20efa9978","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_b804c890-1ad8-4a13-866a-d26fc0c98faa"},{"id":"occ_c498ebeff611583edc0a4503","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_c0b21569-07e6-4c6c-88a2-fce590a4842c","section_id":"sec_f18d36bb-c208-4675-9c24-503273bd7411","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM・DRAM・NAND不足、Kioxia/SanDiskの1兆ドルシナリオまで","quote_start":0,"quote_end":41,"text_sha256":"6d96becea866b8b67b864084ec72fc5a8b80d9d6098244ba7b87c76a3877f354","block_sha256":"6d96becea866b8b67b864084ec72fc5a8b80d9d6098244ba7b87c76a3877f354","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_c0b21569-07e6-4c6c-88a2-fce590a4842c"},{"id":"occ_b7ee44b17bb67ea92d06ff06","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_c16a4a23-fee3-40b8-9cdb-46acfaf0bd75","section_id":"sec_2bb0f532-0df4-4177-8cf1-c3c0fd383a18","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"LTAで将来需要が見える。顧客が長期契約と前払いを受け入れる。HBMと先端DRAMの供給枠に価値が付く。その状態で米国市場から資金を調達する。そしてEUV、HBM、先端パッケージングに前倒しで投資する。","quote_start":0,"quote_end":101,"text_sha256":"781fb85d56ac3d8f1c8ddfa9a50d0678e035345cddf453f71d42e567ab0496eb","block_sha256":"781fb85d56ac3d8f1c8ddfa9a50d0678e035345cddf453f71d42e567ab0496eb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_c16a4a23-fee3-40b8-9cdb-46acfaf0bd75"},{"id":"occ_22c7cfbc358eb6ae7aeb95bd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_deffc262-8057-4c39-8f48-f7ffb1c19c5b","section_id":"sec_c0bb3833-d50b-46e7-8762-2ced2d53f7c3","layer":"body","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":63,"end":67,"exact":"DRAM","quote":"企業シナリオの核心は、単年度の利益爆発ではなく、2028年以降も高利益が残るかどうかである。\n- HBMは先端DRAMウェハを大量に消費し、通常DRAM、サーバーDRAM、成熟DRAMの供給にも波及する。\n- NAND側は、TLC/QLC eSSD、HBF、XL-FLASHがAI推論ストレージとして評価されるかが上振","quote_start":8,"quote_end":167,"text_sha256":"a7af79c2f9208ef53b82e45d800de4ac8be501707a0b6a092ee5059799dd3848","block_sha256":"a7af79c2f9208ef53b82e45d800de4ac8be501707a0b6a092ee5059799dd3848","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_deffc262-8057-4c39-8f48-f7ffb1c19c5b"},{"id":"occ_fd521b1a638794be7c79e8bf","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_ebfe2b37-e164-440c-967e-13419c183617","section_id":"sec_f7f7d5d0-ccb3-4254-85ec-77fba0681b01","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM/HBMの話だけではない。","quote_start":0,"quote_end":17,"text_sha256":"490ccc1c8b408b068729f5a90947af01e44219bc8089d14baf10ec4a76bddf7c","block_sha256":"490ccc1c8b408b068729f5a90947af01e44219bc8089d14baf10ec4a76bddf7c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_ebfe2b37-e164-440c-967e-13419c183617"},{"id":"occ_eebd3fe3c2a3b7f5836a16f7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_17972011-3c15-4377-a2ea-f36af8fa6c2f","work_id":"wrk_fbc5cb25-a3fe-4368-a659-4a3d7a753309","block_id":"blk_f1879b6b-b519-499d-ac6e-7f66a04460b3","section_id":"sec_b71906f7-9849-4209-8f85-69360862d6f0","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DDR5","quote":"家 | Kioxia / SanDisk |\n| --- | --- | --- |\n| 主戦場 | HBM、DDR5、MRDIMM、SOCAMM、DRAM、eSSD | TLC/QLC eSSD、XL-FLASH、HBF |\n| 最大の利益源 | HBMとサーバーDRAM | AI推論ストレージと高付加価値NAND","quote_start":12,"quote_end":171,"text_sha256":"16ae4ce6d37354ccd10dab5b9b1722bc74f4fb27c96318de31ac2f31f90df392","block_sha256":"16ae4ce6d37354ccd10dab5b9b1722bc74f4fb27c96318de31ac2f31f90df392","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_17972011-3c15-4377-a2ea-f36af8fa6c2f/#blk_f1879b6b-b519-499d-ac6e-7f66a04460b3"},{"id":"occ_2f2af850f5ce6b20e323a442","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_09d2c3ed-6db7-41de-bd60-2c62b861cbfc","section_id":"sec_4971987d-a252-48f5-ac1e-63fd6f83e8b0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAMから追い出したStateはどこへ行くのか","quote_start":0,"quote_end":27,"text_sha256":"a710bc9b29cb14011762137a21ff69ce7cc802fd30dc99d50c8de16421fd1b0e","block_sha256":"a710bc9b29cb14011762137a21ff69ce7cc802fd30dc99d50c8de16421fd1b0e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_09d2c3ed-6db7-41de-bd60-2c62b861cbfc"},{"id":"occ_1ad59737a015d3b5956d0657","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_0dfbc469-c21d-4a63-bbd6-91dd5d539a05","section_id":"sec_9fb3fe84-03b6-4b9f-bd8a-0afb7877649f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"この世界で面白いのは、CPU性能が毎世代上がっても、DRAM需要が簡単には消えないことだ。","quote_start":0,"quote_end":45,"text_sha256":"0ae77aa8365d2718dd55dba21d73bfaa5ecc582877e9ff67b375a5c05e225b31","block_sha256":"0ae77aa8365d2718dd55dba21d73bfaa5ecc582877e9ff67b375a5c05e225b31","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_0dfbc469-c21d-4a63-bbd6-91dd5d539a05"},{"id":"occ_cf10775384e5a32f7948726c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_0ee27d9c-d399-4718-b62a-b33f49e2d04c","section_id":"sec_08e56f35-55d9-4c19-bda4-d172c74a6d29","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"超高密度サーバーと数TB級DRAMを組み合わせれば、数千台規模のサーバーへ圧縮できる可能性がある。","quote_start":0,"quote_end":49,"text_sha256":"ca7480ca5415d546ab0bef2913e7aaa319bc2a813cff2f851ed766cdc1a7e61a","block_sha256":"ca7480ca5415d546ab0bef2913e7aaa319bc2a813cff2f851ed766cdc1a7e61a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_0ee27d9c-d399-4718-b62a-b33f49e2d04c"},{"id":"occ_cd685ac514c18b667a689061","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_11183331-6dab-4dcf-bf05-82742e3e4a32","section_id":"sec_e72ddff3-5377-493d-ae74-b727e802dded","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"**Server CPU以上にDRAM容量が重要になる**","quote_start":0,"quote_end":29,"text_sha256":"470a3f46fa29c09fdf9e2f23dc3580ee81c4331c53955d1b42dd78f8ba9968c7","block_sha256":"470a3f46fa29c09fdf9e2f23dc3580ee81c4331c53955d1b42dd78f8ba9968c7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_11183331-6dab-4dcf-bf05-82742e3e4a32"},{"id":"occ_14ee9cd7aaa1b8b403263af4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_21ca1864-4702-4e76-a2d1-276571bec831","section_id":"sec_9fb3fe84-03b6-4b9f-bd8a-0afb7877649f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"**CPUよりDRAM容量がボトルネックになる可能性**","quote_start":0,"quote_end":28,"text_sha256":"dbe088c0dba14befaeaea03dad6189a5ad021176b4999a82c854fd1be59a7c40","block_sha256":"dbe088c0dba14befaeaea03dad6189a5ad021176b4999a82c854fd1be59a7c40","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_21ca1864-4702-4e76-a2d1-276571bec831"},{"id":"occ_ac1c8030ab37751628f25d80","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_26cce170-1a2f-408c-bf6f-6e67621c1dcc","section_id":"sec_bd1d406b-6147-4edc-b9b4-183bfcf5f76d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"CPU。  \nDRAM。  \nSSD。  \nNetwork。  \nHypervisor。  \nContainer。  \nSandbox。  \nScheduler。  \nOS license。  \nそして一部では実物のMac","quote_start":0,"quote_end":111,"text_sha256":"f297da33524401b1d041fc14d8e6dbcf7e29e99a327137bbf2ddd0bd28454e00","block_sha256":"f297da33524401b1d041fc14d8e6dbcf7e29e99a327137bbf2ddd0bd28454e00","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_26cce170-1a2f-408c-bf6f-6e67621c1dcc"},{"id":"occ_096842e7e7e394daa103c29e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_313ea3e6-2612-405c-8229-1194b970b045","section_id":"sec_d4de3774-602d-489c-ba95-de046e60c3da","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"そのStateをすべてDRAMへ置くことはできない。","quote_start":0,"quote_end":26,"text_sha256":"5b3c0294b56a7ed7690b52a952037e7fb9e0093b63d595cb8c03458704b69ca6","block_sha256":"5b3c0294b56a7ed7690b52a952037e7fb9e0093b63d595cb8c03458704b69ca6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_313ea3e6-2612-405c-8229-1194b970b045"},{"id":"occ_45dcf61fa791260c9e920bf0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_3a1fc134-140c-4c49-b73e-75124d3e11e1","section_id":"sec_d4de3774-602d-489c-ba95-de046e60c3da","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"だから、  \nDRAM  \n↓  \nCXL / memory pooling  \n↓  \nNVMe SSD  \n↓  \nObject Storage  \nという階層化が進む可能性が高い。","quote_start":0,"quote_end":93,"text_sha256":"4adc7b4969f970e136bf1856210c6b28b778cafd8e380004b5854ccdc0a207e6","block_sha256":"4adc7b4969f970e136bf1856210c6b28b778cafd8e380004b5854ccdc0a207e6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_3a1fc134-140c-4c49-b73e-75124d3e11e1"},{"id":"occ_d27a06fdf956bf20c78a0f92","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_3b9b9df1-d58f-446d-9ab7-56e9069175e8","section_id":"sec_e3faf6ff-1612-40b9-8a6f-96cfc5da4181","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":101,"end":105,"exact":"DRAM","quote":"る定量章としてまとめます。特に、**1億Agentまで行くと「VMを増やせばよい」という発想そのものが破綻し、DRAM・NAND・OS依存時間を削ることが必須になる**点を中心にしています。","quote_start":46,"quote_end":141,"text_sha256":"8a9bf6b2d9e9bd92bacc53961cecc3ec407eaff62af3bcf5aaeb01867199a0c3","block_sha256":"8a9bf6b2d9e9bd92bacc53961cecc3ec407eaff62af3bcf5aaeb01867199a0c3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_3b9b9df1-d58f-446d-9ab7-56e9069175e8"},{"id":"occ_4f5ca708d5c3360a7438617e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_453c9d7d-1208-480a-b5b4-7ae7178d8d06","section_id":"sec_e3faf6ff-1612-40b9-8a6f-96cfc5da4181","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"**Linux**  \n**GPU / AI ASIC**  \n**Server CPU**  \n**DRAM**  \n**NAND**  \n**Ethernet**","quote_start":0,"quote_end":83,"text_sha256":"2a068299f78c5cda7be42d800e10d0d896d8b3a7ed3ffa2a65d2e6464bbec240","block_sha256":"2a068299f78c5cda7be42d800e10d0d896d8b3a7ed3ffa2a65d2e6464bbec240","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_453c9d7d-1208-480a-b5b4-7ae7178d8d06"},{"id":"occ_76df944d1bd99cf2a373cbcf","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_4646c94c-1f1a-44fb-a787-72087d85f583","section_id":"sec_b068ee86-3f48-4f25-8602-385adca0e275","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"**「Agentを何GBしかDRAMに置かずに済むか」**","quote_start":0,"quote_end":29,"text_sha256":"186960927b25e531d073725480710966aca5f3c5c41b20be5fa1f704ce7b3f94","block_sha256":"186960927b25e531d073725480710966aca5f3c5c41b20be5fa1f704ce7b3f94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_4646c94c-1f1a-44fb-a787-72087d85f583"},{"id":"occ_1f3601191d8044ee8e82f109","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_4ed9c252-b2af-4f15-a459-534b06a6c220","section_id":"sec_47014f88-dad9-4ff7-af76-c7902f7d63bf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"**その瞬間にCPU・DRAMを実際に消費しているAgent数**","quote_start":0,"quote_end":33,"text_sha256":"8d5a3ed8f38502b5c84c3f15874bae9770a90584c9a2c4677fdc9a7b5dd5d91f","block_sha256":"8d5a3ed8f38502b5c84c3f15874bae9770a90584c9a2c4677fdc9a7b5dd5d91f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_4ed9c252-b2af-4f15-a459-534b06a6c220"},{"id":"occ_6fb227806a813d974ec619d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_6ccd68db-283b-4e94-9528-009adcadfdc4","section_id":"sec_4971987d-a252-48f5-ac1e-63fd6f83e8b0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"つまり、  \nDRAM最適化  \n↓  \nNAND需要増加  \nという関係が生まれる。","quote_start":0,"quote_end":43,"text_sha256":"06faef69428c4dd64ccdeb61e4cf8fa7fd3eea3a62e5a276f3e41481ccd9a047","block_sha256":"06faef69428c4dd64ccdeb61e4cf8fa7fd3eea3a62e5a276f3e41481ccd9a047","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_6ccd68db-283b-4e94-9528-009adcadfdc4"},{"id":"occ_e34adede5042fafc3fdabea9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_76d47393-c265-4d93-a2f0-82b00f53c41a","section_id":"sec_688a89bf-4713-4715-9d7f-061a02f4ff68","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"さらにDRAMについても、  \n2027年：論理RAMの60%を物理常駐  \n2028年：40%  \n2030年：20%  \nまで下げる。","quote_start":0,"quote_end":69,"text_sha256":"a96aee78ec72b3325a44d5b5036979ef9b30744cd3268c1873c8ad37f7f815ef","block_sha256":"a96aee78ec72b3325a44d5b5036979ef9b30744cd3268c1873c8ad37f7f815ef","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_76d47393-c265-4d93-a2f0-82b00f53c41a"},{"id":"occ_2a6aaf1a78412f6f5881e044","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_777288e2-de51-4e9f-8cfc-ee888f2084d6","section_id":"sec_b068ee86-3f48-4f25-8602-385adca0e275","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"## 1億Agentは「DRAMを増やす」のではなく「DRAMに置かない」競争になる","quote_start":0,"quote_end":42,"text_sha256":"601c22b83c1aa2dd7ba162599e76c54428bed73a5f1a29ad07020b2a7f350468","block_sha256":"601c22b83c1aa2dd7ba162599e76c54428bed73a5f1a29ad07020b2a7f350468","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_777288e2-de51-4e9f-8cfc-ee888f2084d6"},{"id":"occ_248d3caabeed26561260a260","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_7be3ae0f-c5b5-48f2-af55-2d93aa920a3c","section_id":"sec_a97c7af2-1f1d-400f-af9d-578efa7883eb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"CPU。  \nDRAM。  \nSSD。  \nFilesystem。  \nOS。  \nBrowser。  \nApplication。  \nNetwork。  \nIdentity。  \nSecurity。","quote_start":0,"quote_end":100,"text_sha256":"fda627096d44cecc9ff121c76a4488c72579a79163dab56e130dd4a4e0f69558","block_sha256":"fda627096d44cecc9ff121c76a4488c72579a79163dab56e130dd4a4e0f69558","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_7be3ae0f-c5b5-48f2-af55-2d93aa920a3c"},{"id":"occ_6c58a60fc7a231e5427990d5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_8ef2aa75-f5b4-43f2-ba4e-749f74f69d3e","section_id":"sec_85da53c3-6669-4f9b-95f9-afb7d755384f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"**1700PBものDRAM**","quote_start":0,"quote_end":16,"text_sha256":"bdf89db4bc804cd7a7c08d0dd76e0b30898e665dd231899ebc11770b160c2cc3","block_sha256":"bdf89db4bc804cd7a7c08d0dd76e0b30898e665dd231899ebc11770b160c2cc3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_8ef2aa75-f5b4-43f2-ba4e-749f74f69d3e"},{"id":"occ_114f2ba264ff9654c49bcaf1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_9b005cf3-1009-4518-b5e3-6c8ad855a03a","section_id":"sec_9fb3fe84-03b6-4b9f-bd8a-0afb7877649f","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DDR5","quote":"**DDR5/DDR6**  \n**Enterprise NAND**  \n**NVMe SSD**","quote_start":0,"quote_end":50,"text_sha256":"31a3069cc2373aa224b67b1ddb63ccd707a9c199d8c68e74ce6ff4a5320c8931","block_sha256":"31a3069cc2373aa224b67b1ddb63ccd707a9c199d8c68e74ce6ff4a5320c8931","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_9b005cf3-1009-4518-b5e3-6c8ad855a03a"},{"id":"occ_066a850e1084814d8be1a5d5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_b3446ba8-6d7a-4adf-8614-b623b6bc0b65","section_id":"sec_688a89bf-4713-4715-9d7f-061a02f4ff68","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":48,"end":52,"exact":"DDR5","quote":"現在でもAMD EPYC 9005は1 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DDR5を提供しているため、将来世代と複数socket、より高密度なrack設計を考えれば、この方向そのものは不自然ではない。([AMD](https://www.amd.com/en/newsroom/pr","quote_start":0,"quote_end":152,"text_sha256":"7bbba1f307eec89135765a1292d01f62119527c3f358876f80c94a932ee166b6","block_sha256":"7bbba1f307eec89135765a1292d01f62119527c3f358876f80c94a932ee166b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_b3446ba8-6d7a-4adf-8614-b623b6bc0b65"},{"id":"occ_b362ceb49999ce0f3bd74b25","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_c9403e02-53aa-49c8-b7ce-ab4d4c67f20c","section_id":"sec_85da53c3-6669-4f9b-95f9-afb7d755384f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"**DRAM約1.7EB**","quote_start":0,"quote_end":14,"text_sha256":"5fd5255442d74caf4d3d69f541cdbe43b48c585a579b958b0f26017718e9423b","block_sha256":"5fd5255442d74caf4d3d69f541cdbe43b48c585a579b958b0f26017718e9423b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_c9403e02-53aa-49c8-b7ce-ab4d4c67f20c"},{"id":"occ_3cb969f6ea2a47a5e725a85c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_c94e81f6-40ee-4e6c-b57f-32cfb8390907","section_id":"sec_e72ddff3-5377-493d-ae74-b727e802dded","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"そこで80%をDRAMから追い出したとしても、まだ約392PBの物理DRAMが必要になる。","quote_start":0,"quote_end":45,"text_sha256":"a863f9cc2238d8b6366f6fee8085fd75c7d6d1f62717a4503e00dcdda5608708","block_sha256":"a863f9cc2238d8b6366f6fee8085fd75c7d6d1f62717a4503e00dcdda5608708","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_c94e81f6-40ee-4e6c-b57f-32cfb8390907"},{"id":"occ_e01b4d1207dcc73ed1cd8ba7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_d662d74b-0445-445f-b747-0edead66eb34","section_id":"sec_e72ddff3-5377-493d-ae74-b727e802dded","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"2030年の1億Agentを単純常駐させれば約1.7EB DRAMになる。","quote_start":0,"quote_end":37,"text_sha256":"ffef5adc0d985dbbe32cc692ad7c86a4a618382dfe8f08b82d1a96e4c5dfabd3","block_sha256":"ffef5adc0d985dbbe32cc692ad7c86a4a618382dfe8f08b82d1a96e4c5dfabd3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_d662d74b-0445-445f-b747-0edead66eb34"},{"id":"occ_cf454f0c63cf5a19332a0371","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_d73fab61-abef-46f6-8674-167a21502ca8","section_id":"sec_e72ddff3-5377-493d-ae74-b727e802dded","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"## 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\nServer CPU  \nDRAM  \nNAND  \nNetwork  \nという巨大な汎用計算基盤が広がっている。","quote_start":32,"quote_end":131,"text_sha256":"7ea4b14cbdc4f8e4b6cca775b8d4bd697e834e954f0bb3660a40dc9e22e23059","block_sha256":"7ea4b14cbdc4f8e4b6cca775b8d4bd697e834e954f0bb3660a40dc9e22e23059","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_eab8e0c7-a1dc-48cf-9923-39489d409c59"},{"id":"occ_a70ca82ca5dc7644f6477476","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_ec04ef3b-c350-4e00-a2c3-5abe60565352","section_id":"sec_0660c366-e9db-4440-8fe5-1a6db864b10e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":97,"end":101,"exact":"DRAM","quote":"0GB** を下限アンカーとして使い、将来部分は明示的なモデル仮定にしています。特に2030年の「392PB DRAM・3.2EB NAND」は予測値というより、**1億Agent時代に何を最適化しなければならないかを見るストレステスト**として読むのが適切です。","quote_start":42,"quote_end":174,"text_sha256":"8f4bf15eb07728eb9c069e3339f223114665c6dd2ef4e58cc86f101428e52b80","block_sha256":"8f4bf15eb07728eb9c069e3339f223114665c6dd2ef4e58cc86f101428e52b80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_ec04ef3b-c350-4e00-a2c3-5abe60565352"},{"id":"occ_ac26c7c873d6e55741bdb72b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_20f6e19f-c172-4e63-83ab-04729ac80c82","work_id":"wrk_ae883f23-4159-4408-941d-addc931dbce4","block_id":"blk_ffbb00bf-9a3f-4a1a-b208-402a8a6493df","section_id":"sec_b068ee86-3f48-4f25-8602-385adca0e275","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"1億Agentをすべて17GB RAMのVMとして常駐させる世界では、約1.7EB DRAMが必要になる。","quote_start":0,"quote_end":53,"text_sha256":"058af1e8af29cf9f43f7dccb16162390799c84b3308e6b13d61707eff1601fcb","block_sha256":"058af1e8af29cf9f43f7dccb16162390799c84b3308e6b13d61707eff1601fcb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_20f6e19f-c172-4e63-83ab-04729ac80c82/#blk_ffbb00bf-9a3f-4a1a-b208-402a8a6493df"},{"id":"occ_557f412013627faa387c3fe5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2774a11f-f3af-4056-8394-07f7d1934023","work_id":"wrk_f945aff9-e387-4701-8e7f-62fe6e900f6f","block_id":"blk_372176b3-e7be-4bfd-8621-409529ecdbba","section_id":"sec_c5ef4de5-e884-4fab-b00e-cc35d64706f4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM価格。","quote_start":0,"quote_end":7,"text_sha256":"8a10040ceb8e3a800c0e847c13f2e8f146f7191bb99ba3b720a4c2318d8ca7fd","block_sha256":"8a10040ceb8e3a800c0e847c13f2e8f146f7191bb99ba3b720a4c2318d8ca7fd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2774a11f-f3af-4056-8394-07f7d1934023/#blk_372176b3-e7be-4bfd-8621-409529ecdbba"},{"id":"occ_76e8ca07c80408ab604b280a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2774a11f-f3af-4056-8394-07f7d1934023","work_id":"wrk_f945aff9-e387-4701-8e7f-62fe6e900f6f","block_id":"blk_5fc90fac-f2d2-4d37-96d5-39318dd16dbd","section_id":"sec_7c7a3558-22be-4e21-a708-84e6d241ecb6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM。","quote_start":0,"quote_end":5,"text_sha256":"a9699372a7f87337e22b27e163af136c08f2172daac2a8c9b1a29b2a3414a045","block_sha256":"a9699372a7f87337e22b27e163af136c08f2172daac2a8c9b1a29b2a3414a045","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2774a11f-f3af-4056-8394-07f7d1934023/#blk_5fc90fac-f2d2-4d37-96d5-39318dd16dbd"},{"id":"occ_49bf8b4dd7d13b6a62115af5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_28e52d32-205e-4601-9fe8-535cce2d0600","work_id":"wrk_012e50f2-e203-488b-b14f-8859b652eece","block_id":"blk_f26e8abc-24e5-4f31-b692-1b89a9d9805c","section_id":"sec_e38644b7-d761-49d3-8d91-f34fe05667c3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":272,"end":276,"exact":"DRAM","quote":"YMTC、3D NANDフラッシュ企業）など複数企業に投じられました。この結果、2010年代後半には中国国内でDRAMや3D NANDなどメモリチップの量産も開始され、徐々にではありますが国産チップの存在感が増していきます。","quote_start":217,"quote_end":329,"text_sha256":"0c296c6394280574ebdfef1c03321944ea41016a708485a3aeb08bea3edc33c3","block_sha256":"0c296c6394280574ebdfef1c03321944ea41016a708485a3aeb08bea3edc33c3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_28e52d32-205e-4601-9fe8-535cce2d0600/#blk_f26e8abc-24e5-4f31-b692-1b89a9d9805c"},{"id":"occ_58587bf1148985e0afd274bd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_06b98f9d-8cf6-41aa-a1e4-f20e8c8c6784","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"GDDR","quote":"項目 GDDR HBM **用途** ゲーミング、一般的なグラフィックス AI/HPC、データセンター **帯域幅** 最大1.44TB/s（GDDR6X） 最大5.3TB/s（HBM3e） **消費電力** 比較","quote_start":0,"quote_end":107,"text_sha256":"d817d450ff520af24b4088d105675b11d61b761ad1107f95d80f14caf061ca0a","block_sha256":"d817d450ff520af24b4088d105675b11d61b761ad1107f95d80f14caf061ca0a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_06b98f9d-8cf6-41aa-a1e4-f20e8c8c6784"},{"id":"occ_9a04f7dd09427d7af4b9a5e5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_2a0ad8eb-d681-4929-9332-56cdee8a17fa","section_id":"sec_ca474305-3e1a-4af3-9d46-590e525dcf71","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":47,"end":51,"exact":"GDDR","quote":"📌 **要点**  \n✅ HBMは**超高速 & 低消費電力** だが、コストが高い  \n✅ GDDRは**コスト効率が良く、ゲーム向け**（RTX 40シリーズなど）","quote_start":0,"quote_end":84,"text_sha256":"7925a105a6d95c330fdfe94809b5144053139d2642fc5bf7337095cd31c3678a","block_sha256":"7925a105a6d95c330fdfe94809b5144053139d2642fc5bf7337095cd31c3678a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_2a0ad8eb-d681-4929-9332-56cdee8a17fa"},{"id":"occ_175cf87f6ae371f3b56517db","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_36e45513-81ad-4874-a4a7-bf4c95adf558","section_id":"sec_260b7ac5-8d78-4992-a351-d7382da865dc","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","GDDR"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"GDDR","quote":"従来のメモリ（GDDR, DDR）と異なり、**HBMは複数のDRAMダイを垂直に積層（3D構造）** し、**TSV（Through-Silicon Via）** を利用して接続しています。","quote_start":0,"quote_end":96,"text_sha256":"d5f3aa923fee3c6ac405255e533418ac8b37c44001e5eea6558618f5a2816f4a","block_sha256":"d5f3aa923fee3c6ac405255e533418ac8b37c44001e5eea6558618f5a2816f4a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_36e45513-81ad-4874-a4a7-bf4c95adf558"},{"id":"occ_6783a2d579eb4590a708da54","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_37c149d0-5406-46c3-9c36-ce9ba7fd2957","section_id":"sec_d16e1c18-4366-4aea-87dd-89b53cb02701","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR4","GDDR"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DDR4","quote":"メモリはHBMと呼ばれるものが使われていて、それはDDR4や5、更に高速なGDDRを更に高速なものである","quote_start":0,"quote_end":52,"text_sha256":"1744531a43540fb32e450262649bad2338bb10133ded34476249e63844a9cc6c","block_sha256":"1744531a43540fb32e450262649bad2338bb10133ded34476249e63844a9cc6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_37c149d0-5406-46c3-9c36-ce9ba7fd2957"},{"id":"occ_258ab67f1de32d551bfd6372","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_3c7dcd29-973a-406a-b718-babcc9fc1ec3","section_id":"sec_416527c6-2b24-4e65-a05b-51914df3f784","layer":"body","character_id":null,"count":2,"matched_aliases":["GDDR","GDDR6"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"GDDR","quote":"GDDR世代 データ転送速度（Gbps/ピン） バス幅（bit） 帯域幅（GB/s） 代表的なGPU   \n**GDDR5|** 8Gbps| 256bit |256GB/s| GTX 1080, Radeo","quote_start":0,"quote_end":104,"text_sha256":"03bdd5b310342274747c95115a6e21919c55ad45cc02e31efcce9c7a42059227","block_sha256":"03bdd5b310342274747c95115a6e21919c55ad45cc02e31efcce9c7a42059227","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_3c7dcd29-973a-406a-b718-babcc9fc1ec3"},{"id":"occ_a226a5d746b67bb946412709","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_4274cdb4-64b1-4e6f-8a69-eaf5b1af3fd3","section_id":"sec_416527c6-2b24-4e65-a05b-51914df3f784","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"GDDR","quote":"## ② GDDRメモリの世代と性能比較","quote_start":0,"quote_end":20,"text_sha256":"d8e629f45a3ed2d0995fad5968c629ad9ea8977a5292f596dd802a1551203db2","block_sha256":"d8e629f45a3ed2d0995fad5968c629ad9ea8977a5292f596dd802a1551203db2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_4274cdb4-64b1-4e6f-8a69-eaf5b1af3fd3"},{"id":"occ_5eb3969c13b6df98e0c0b454","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_5271499e-f538-4dc9-8617-11573c3416bb","section_id":"sec_5fa3ebac-975a-4263-ae97-a9adc6db305e","layer":"body","character_id":null,"count":2,"matched_aliases":["GDDR","GDDR7"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"GDDR","quote":"項目 GDDRの特徴 **用途** ゲーム、AI推論、映像処理向け **最高速メモリ** GDDR6X（最大1.44TB/s） **コスト** HBMより安価だが、DDRより高価 **今後の進化** GDDR7（3","quote_start":0,"quote_end":107,"text_sha256":"e8b3bf19ab132d4f595a8b4b09f08e89c28badbb14d4ef53d4e27bc9fb27e57c","block_sha256":"e8b3bf19ab132d4f595a8b4b09f08e89c28badbb14d4ef53d4e27bc9fb27e57c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_5271499e-f538-4dc9-8617-11573c3416bb"},{"id":"occ_58dc41c4a9a7dc228e3e7d48","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_5460c7d9-0f1c-426c-b603-fa9368869175","section_id":"sec_95aa3b9b-30b5-49ad-a10c-d388907b1d4d","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"GDDR","quote":"## ① GDDRメモリの特徴","quote_start":0,"quote_end":15,"text_sha256":"50909314746995caa9e72a2e1356a86965e4e3fb7051c17bf2ccf43470939267","block_sha256":"50909314746995caa9e72a2e1356a86965e4e3fb7051c17bf2ccf43470939267","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_5460c7d9-0f1c-426c-b603-fa9368869175"},{"id":"occ_aeb97028b78a258be5ba5dab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_71bb0623-5300-4465-bf07-55bd1033a81c","section_id":"sec_95aa3b9b-30b5-49ad-a10c-d388907b1d4d","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR4","DDR5","GDDR"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"GDDR","quote":"GDDRは、PCやサーバーの一般的な**DDRメモリ（DDR4/DDR5）** と比較して、以下の点が異なります。","quote_start":0,"quote_end":57,"text_sha256":"ffd0bd4c9d129172f7960194404541f6ae3980ed2d01246bf3ea3ead0e4f7855","block_sha256":"ffd0bd4c9d129172f7960194404541f6ae3980ed2d01246bf3ea3ead0e4f7855","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_71bb0623-5300-4465-bf07-55bd1033a81c"},{"id":"occ_17923404f753fd4f3588b0b2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_72dc0a22-dbf2-401e-9120-77ec4b523687","section_id":"sec_4f5643b9-bc5e-44fa-8558-1b5a365ee90b","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"GDDR","quote":"## GDDR（Graphics Double Data Rate）メモリとは？","quote_start":0,"quote_end":40,"text_sha256":"10ce02b2edccfddf36d1721f0685f9fbc656c85c4673374c27f1f4cf2e8c78c5","block_sha256":"10ce02b2edccfddf36d1721f0685f9fbc656c85c4673374c27f1f4cf2e8c78c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_72dc0a22-dbf2-401e-9120-77ec4b523687"},{"id":"occ_e3cfd490b59e9fbd88e00060","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_8fa1f730-ab1a-4711-a8e9-e85acd536973","section_id":"sec_260b7ac5-8d78-4992-a351-d7382da865dc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":62,"end":66,"exact":"DRAM","quote":"技術とは？**  \nTSV（スルーシリコンビア）は、シリコンウェハ内に微細な貫通電極を作り、**スタックされたDRAMチップ間の高速なデータ転送を可能にする技術** です。","quote_start":7,"quote_end":93,"text_sha256":"ecdb66ea790b2d057d477dcd1fa5c28cc1752bdbce4b263500fc7edfec2327ce","block_sha256":"ecdb66ea790b2d057d477dcd1fa5c28cc1752bdbce4b263500fc7edfec2327ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_8fa1f730-ab1a-4711-a8e9-e85acd536973"},{"id":"occ_d67a8417c3905ac03481c5de","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_99527c3c-02cf-4f0e-847d-01564de90db1","section_id":"sec_5fa3ebac-975a-4263-ae97-a9adc6db305e","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"GDDR","quote":"GDDRは、今後もゲーム向けGPUや一般的なデータ処理において、最もコストパフォーマンスの高いメモリとして使用されるでしょう。","quote_start":0,"quote_end":63,"text_sha256":"fc7e29c1d372ca6895dd109128590d73c105fc15c7daed0aa960e052f980124e","block_sha256":"fc7e29c1d372ca6895dd109128590d73c105fc15c7daed0aa960e052f980124e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_99527c3c-02cf-4f0e-847d-01564de90db1"},{"id":"occ_f86e7f82cfbf2943e0b6c5bc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_aaad5d6c-e555-453c-a3b2-be0ab2a9a14d","section_id":"sec_95aa3b9b-30b5-49ad-a10c-d388907b1d4d","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":199,"end":203,"exact":"GDDR","quote":"つ（256bit, 384bitなど） **シングルポート設計** 一般的なDDRメモリはデュアルポートだが、GDDRは単一ポート構造でGPUとのやり取りを高速化","quote_start":144,"quote_end":225,"text_sha256":"66d7830a06fa73e9ea0e17cd18e166c75cbd748ceaa2110747cc8120342c6fe0","block_sha256":"66d7830a06fa73e9ea0e17cd18e166c75cbd748ceaa2110747cc8120342c6fe0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_aaad5d6c-e555-453c-a3b2-be0ab2a9a14d"},{"id":"occ_284267d80985dbef817007a3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_afe6af90-8201-4a0b-93c6-269f3a1fb596","section_id":"sec_be776e64-ce7f-4811-9798-2610831ce39e","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"GDDR","quote":"HBMは、従来のGDDR（グラフィックスメモリ）よりも**広いメモリバス幅と高速データ転送を実現**しており、特にAI、機械学習、データセンターでの利用が増えています。","quote_start":0,"quote_end":84,"text_sha256":"8a16ac20875be7b4e01b0fea3903e9c1876316d4de700c67d7b9a06c3283f8f6","block_sha256":"8a16ac20875be7b4e01b0fea3903e9c1876316d4de700c67d7b9a06c3283f8f6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_afe6af90-8201-4a0b-93c6-269f3a1fb596"},{"id":"occ_5254b0f30c3af4792ff6621b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_c1a4e4ec-f625-41e8-ba79-33fcb83dbce7","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"GDDR","quote":"## ③ GDDRメモリとHBM（High Bandwidth Memory）の違い","quote_start":0,"quote_end":42,"text_sha256":"e8723d125913dd1f7e2c7dce63a8fa5fbdf80773b21ab54da437fccca4282622","block_sha256":"e8723d125913dd1f7e2c7dce63a8fa5fbdf80773b21ab54da437fccca4282622","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_c1a4e4ec-f625-41e8-ba79-33fcb83dbce7"},{"id":"occ_75c54b876af0ac2dfa8b503a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_c696f8dd-673c-43ff-87e1-c9a977319533","section_id":"sec_62f841dc-4a4d-4d56-af85-e297536e53d3","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"GDDR","quote":"HBMは、**従来のGDDRメモリに比べて高帯域かつ低消費電力**なメモリ技術です。3D積層構造（スタック構造）を持ち、TSV（Through-Silicon Via）技術により、メモリ間の高速データ転送を実現します。","quote_start":0,"quote_end":109,"text_sha256":"7363033d2a7485cb90a8f6b0e749c1db8ba8b13259ca49ee593c15803b621e85","block_sha256":"7363033d2a7485cb90a8f6b0e749c1db8ba8b13259ca49ee593c15803b621e85","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_c696f8dd-673c-43ff-87e1-c9a977319533"},{"id":"occ_bdf9c2d896f2a2d7f377bbc7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_cb4f5ef2-51ad-43f1-a566-d4bfc4c88238","section_id":"sec_aa5cf723-c9b6-444e-abf4-066374abe475","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"GDDR","quote":"## ④ GDDRの今後の展開","quote_start":0,"quote_end":15,"text_sha256":"508a482036ef4411faaaecf9f0346be586b0aadef66f8d6e904cb48d0d8a94b4","block_sha256":"508a482036ef4411faaaecf9f0346be586b0aadef66f8d6e904cb48d0d8a94b4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_cb4f5ef2-51ad-43f1-a566-d4bfc4c88238"},{"id":"occ_29cd16060b0219473894af30","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_cb74501d-1a0e-433a-95da-77095da22636","section_id":"sec_ca474305-3e1a-4af3-9d46-590e525dcf71","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"GDDR","quote":"## 🔹 4. HBM vs GDDRメモリ","quote_start":0,"quote_end":22,"text_sha256":"7d16f67edffb25773d82f3c4186a602484aa1b4684dc6a3524cae5dec460775c","block_sha256":"7d16f67edffb25773d82f3c4186a602484aa1b4684dc6a3524cae5dec460775c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_cb74501d-1a0e-433a-95da-77095da22636"},{"id":"occ_f82b34fda26064b576782507","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d1fdea0b-7eaa-49cb-bc21-c8336968ec48","section_id":"sec_260b7ac5-8d78-4992-a351-d7382da865dc","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","GDDR6"],"evidence":{"text_basis":"markdown","start":30,"end":35,"exact":"GDDR6","quote":"- HBM: **1,024-bit / スタック**\n- GDDR6: **256-bit**\n- DDR5: **64-bit**","quote_start":0,"quote_end":67,"text_sha256":"534147f4e645aadb2cfbe532167898a6b7f351e05224db0378118d082751be87","block_sha256":"534147f4e645aadb2cfbe532167898a6b7f351e05224db0378118d082751be87","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d1fdea0b-7eaa-49cb-bc21-c8336968ec48"},{"id":"occ_60eebbb347c464dbba052cd0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_d9722fb8-7666-4f86-a995-d8239c988712","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":2,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"GDDR","quote":"**✅ GDDRはゲーム・コンシューマ向け、HBMはAI・HPC向け**  \nGDDRの長所は「安価で広く使われる」ことですが、超高帯域を必要とするAIワークロードにはHBMの方が適しています。","quote_start":0,"quote_end":97,"text_sha256":"4bb255225e07a249fa0cd12cb3fe3bb491e416006416c214c8c6e8f138f62473","block_sha256":"4bb255225e07a249fa0cd12cb3fe3bb491e416006416c214c8c6e8f138f62473","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_d9722fb8-7666-4f86-a995-d8239c988712"},{"id":"occ_8e9d575f142bb5f3205a1dbc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_dccf60fb-e096-4522-a432-fce568641f85","section_id":"sec_4f5643b9-bc5e-44fa-8558-1b5a365ee90b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","GDDR"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"GDDR","quote":"GDDR（Graphics Double Data Rate）は、**GPU向けに最適化された高速DRAM（Dynamic Random Access Memory）** の一種で、**ゲーム、HPC（高性能","quote_start":0,"quote_end":104,"text_sha256":"1e7006db7b1bd2684343958f3f5e205f5f36b7c46ccf8be80fc6b5d02c33f381","block_sha256":"1e7006db7b1bd2684343958f3f5e205f5f36b7c46ccf8be80fc6b5d02c33f381","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_dccf60fb-e096-4522-a432-fce568641f85"},{"id":"occ_0a4e62c986d6434df463bdab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_eaed6ce3-54b5-47e8-9aba-7bb6102d818a","section_id":"sec_aa5cf723-c9b6-444e-abf4-066374abe475","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR7"],"evidence":{"text_basis":"markdown","start":5,"end":10,"exact":"GDDR7","quote":"1. **GDDR7（2025年頃登場）**\n   \n   - 転送速度 **32Gbps/ピン**\n   - 帯域幅 **最大1.6TB/s以上**\n   - **PAM4（Pulse Amplitude Modula","quote_start":0,"quote_end":110,"text_sha256":"b9bcfc8bc775134d35a3e236b34a14d99a25802924ea5f91ebdbfd8725c96cae","block_sha256":"b9bcfc8bc775134d35a3e236b34a14d99a25802924ea5f91ebdbfd8725c96cae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_eaed6ce3-54b5-47e8-9aba-7bb6102d818a"},{"id":"occ_8193aa7cae0a64eeeb2958be","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_f5fd5b42-ace6-44cb-be76-626a61844a2e","section_id":"sec_95aa3b9b-30b5-49ad-a10c-d388907b1d4d","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":70,"end":74,"exact":"GDDR","quote":"ce、Radeon）\n- AI推論向けGPU（NVIDIA RTX 4090など）\n- データセンター（一部のGDDR搭載AIアクセラレーター）","quote_start":15,"quote_end":87,"text_sha256":"a7bfe44ccecf1c8cb5af2dcb9ae87f8352963d0eb62095b29c1f409d2597e406","block_sha256":"a7bfe44ccecf1c8cb5af2dcb9ae87f8352963d0eb62095b29c1f409d2597e406","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_f5fd5b42-ace6-44cb-be76-626a61844a2e"},{"id":"occ_8904a997bd36cd3cf84712aa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2b771286-9bc4-45c0-b45d-6524baf27996","work_id":"wrk_371c7035-898a-4ffb-9036-25fc84c21bd7","block_id":"blk_faffacb1-2bf0-46c9-b2d6-7979407667f1","section_id":"sec_f0ab0e6e-9999-42ca-a353-14ddb64b37d8","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"GDDR","quote":"GDDRとHBMは、どちらもGPU向けの高速メモリですが、設計コンセプトが異なります。","quote_start":0,"quote_end":43,"text_sha256":"026f9f97dae147701d100d88c58d5035cc16d3d4c24e2d75f82d0b112b40f96e","block_sha256":"026f9f97dae147701d100d88c58d5035cc16d3d4c24e2d75f82d0b112b40f96e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2b771286-9bc4-45c0-b45d-6524baf27996/#blk_faffacb1-2bf0-46c9-b2d6-7979407667f1"},{"id":"occ_ef884d97bcf346f81c31fbfc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_29243854-33cf-4027-82bf-262e8381afb4","section_id":"sec_60bc1286-e5cb-4d25-b160-a7b5674c0701","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"**GPU HBMだけで全部抱えるのではなく、CPU DRAM、CXLメモリ、SSD、分散KV cacheを使ってGPUを補助する**","quote_start":0,"quote_end":67,"text_sha256":"577db07b1bb83a90d0b21b29181509517e700f0a80ace1d3cb5390e26dd34981","block_sha256":"577db07b1bb83a90d0b21b29181509517e700f0a80ace1d3cb5390e26dd34981","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_29243854-33cf-4027-82bf-262e8381afb4"},{"id":"occ_399f775126f77ad7517688ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_32e0cca5-8b8f-45a6-b003-70e3baa05daa","section_id":"sec_3bb93f54-fe5c-4b6e-bcfd-3a542b01767b","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DDR5","quote":"**第2層：CPUメモリ帯域**  \nDDR5、MRDIMM、CXL、メモリインターフェース、Rambus系。","quote_start":0,"quote_end":55,"text_sha256":"777f20fc511ea11991dc17057b203ebcada9fbfbc8cd426d4559769bb6b982db","block_sha256":"777f20fc511ea11991dc17057b203ebcada9fbfbc8cd426d4559769bb6b982db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_32e0cca5-8b8f-45a6-b003-70e3baa05daa"},{"id":"occ_8821541215cba5321118741f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_3ebf10b1-17f0-48bc-98a5-0c68557724b2","section_id":"sec_60bc1286-e5cb-4d25-b160-a7b5674c0701","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":32,"end":36,"exact":"DRAM","quote":"## \\5. FlexGen / LMCache：CPUメモリ・DRAM・ストレージがGPU推論を支える","quote_start":0,"quote_end":52,"text_sha256":"e76520adc3c3ed235f830e6c3de2caadece6ff71cbe397f0602a6c9422d07631","block_sha256":"e76520adc3c3ed235f830e6c3de2caadece6ff71cbe397f0602a6c9422d07631","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_3ebf10b1-17f0-48bc-98a5-0c68557724b2"},{"id":"occ_bf081fed81b42f4dd1840412","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_3f6e2f26-9d4c-404d-9fd4-5704042269cc","section_id":"sec_4d3f613f-5725-41fe-a2d0-1c9306bbbff2","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"```\nレジスタ\n↓\nL1キャッシュ\n↓\nL2キャッシュ\n↓\nL3キャッシュ\n↓\nメインメモリ / DRAM\n↓\nSSD\n```","quote_start":0,"quote_end":64,"text_sha256":"0246813cf0908183227408e0a5341740304832ab5949a3f3bca0f04306d298aa","block_sha256":"0246813cf0908183227408e0a5341740304832ab5949a3f3bca0f04306d298aa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_3f6e2f26-9d4c-404d-9fd4-5704042269cc"},{"id":"occ_cc78d2a7639977a99e5d2770","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_62e29739-a131-40c7-a5c9-3f727fd456c6","section_id":"sec_3895746e-8caa-4677-a4b1-13824b60e07d","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":74,"end":78,"exact":"DDR5","quote":"* を、Agentic AI向けの本番シリコンとして説明しています。最大136個のNeoverse V3コア、DDR5-8800、コアあたり6GB/sのメモリ帯域、300W TDPなどを掲げ、AIデータセンターで多数の並列タスクをオーケストレーションするCPUとして位置づけています。([Arm](https://ww","quote_start":19,"quote_end":178,"text_sha256":"215f78cb679bdedfd764fdd982fda916608305afc2456dcc7ac8f446e37ca243","block_sha256":"215f78cb679bdedfd764fdd982fda916608305afc2456dcc7ac8f446e37ca243","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_62e29739-a131-40c7-a5c9-3f727fd456c6"},{"id":"occ_f133aaec01d77345202a6e21","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_7ae16910-912b-47ea-ba51-0db3c1be3fc7","section_id":"sec_4d3f613f-5725-41fe-a2d0-1c9306bbbff2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMはCPUから見るとかなり遅いです。","quote_start":0,"quote_end":21,"text_sha256":"24c5b95732c628301732fcaf8a59f877cf9de3a346da96edcc864ff40fc730cd","block_sha256":"24c5b95732c628301732fcaf8a59f877cf9de3a346da96edcc864ff40fc730cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_7ae16910-912b-47ea-ba51-0db3c1be3fc7"},{"id":"occ_994d6dbe7d6a9f4c3677a9a4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_7ccdff72-a689-497d-98d3-6cc203731388","section_id":"sec_e3f664ff-c753-4350-90a8-727fb8ca2b6a","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":52,"end":56,"exact":"DDR5","quote":"第一に、AMD EPYC、Intel Xeon、Arm系サーバーCPUのようなCPU本体。  \n第二に、DDR5、MRDIMM、CXL、メモリインターフェース、RambusのようなCPUメモリ帯域関連。  \n第三に、PCIe、CXL、NIC、DPU/IPU、SmartNIC、MarvellやAstera Lab","quote_start":0,"quote_end":156,"text_sha256":"6b85d44a4a8771a6dfcd159331aa459e49a709117a275c2687f6f9b441ff9213","block_sha256":"6b85d44a4a8771a6dfcd159331aa459e49a709117a275c2687f6f9b441ff9213","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_7ccdff72-a689-497d-98d3-6cc203731388"},{"id":"occ_e197ad38f7fdc92a90b14df1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_7cd2f619-d22e-4c82-ba9d-de252ca5371b","section_id":"sec_4d3f613f-5725-41fe-a2d0-1c9306bbbff2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"CPUはメインメモリ、つまりDRAMに毎回アクセスしているわけではありません。","quote_start":0,"quote_end":39,"text_sha256":"2c8100e53ed7ba93ac229b0c21a0d98b69f763175707c9252a523eaabb37c6c0","block_sha256":"2c8100e53ed7ba93ac229b0c21a0d98b69f763175707c9252a523eaabb37c6c0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_7cd2f619-d22e-4c82-ba9d-de252ca5371b"},{"id":"occ_69f49e82438604eb05f9826b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_88ea5164-5f0b-4c8c-ab83-66f63847ac65","section_id":"sec_f6e01ba7-3115-4501-a1d3-0dcbd52a27b5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DRAM","quote":"これからのAIインフラは、GPU一強ではなく、  \n**CPU + GPU + HBM + DRAM + CXL + NIC + SSD + スケジューラ**  \nの複合体として進化していく。","quote_start":0,"quote_end":96,"text_sha256":"f6e23fae9c1d7e7a2563ce0ad8963cbc43818f454a08047063fe216fd38783e8","block_sha256":"f6e23fae9c1d7e7a2563ce0ad8963cbc43818f454a08047063fe216fd38783e8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_88ea5164-5f0b-4c8c-ab83-66f63847ac65"},{"id":"occ_547b8f71b483e0f5209cdb52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_99daccba-bd55-4140-85f7-e01a5e2cfe2b","section_id":"sec_60bc1286-e5cb-4d25-b160-a7b5674c0701","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DDR5","quote":"これはCPUそのものだけでなく、**DDR5、MRDIMM、CXL、メモリコントローラ、NIC、SSD、ストレージ層**の需要にも波及します。","quote_start":0,"quote_end":71,"text_sha256":"8164f4deaefaf207bcd6de375816dbe0ee274220da34ced2c529cd54a3d3fc81","block_sha256":"8164f4deaefaf207bcd6de375816dbe0ee274220da34ced2c529cd54a3d3fc81","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_99daccba-bd55-4140-85f7-e01a5e2cfe2b"},{"id":"occ_222db8b5d08d64c2e0f2ee8a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_9d14f88e-b626-4b66-afca-190c0fd345f6","section_id":"sec_f5fb003a-62fe-48c2-a63d-107ee26859cb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":137,"end":141,"exact":"DRAM","quote":"てるか、いつ解放するか、どこまで共有するか。これはOS、メモリ管理、スケジューリングに近い問題であり、CPU・DRAM・CXL・SSD・ネットワークの重要性を高める。","quote_start":82,"quote_end":165,"text_sha256":"ea06e4c770daf3398e252df9ddad0c25679c28579f83d40728d9b1a049c0c769","block_sha256":"ea06e4c770daf3398e252df9ddad0c25679c28579f83d40728d9b1a049c0c769","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_9d14f88e-b626-4b66-afca-190c0fd345f6"},{"id":"occ_c0cfdb82999fc2a4410592dd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_ae692cf0-3729-4b27-bfe3-53f21a747563","section_id":"sec_217a77bd-aa6e-42cf-820a-bb48d5cd649b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":39,"end":43,"exact":"DRAM","quote":"**GPU/HBMだけの時代**  \nから、  \n**GPU + CPU + DRAM + CXL + NIC + SSD + スケジューラ + セキュリティの時代**","quote_start":0,"quote_end":84,"text_sha256":"411f083dc77c269914b6ecca12bc3d22a9996ab2579321f608e30ec6ceb5647d","block_sha256":"411f083dc77c269914b6ecca12bc3d22a9996ab2579321f608e30ec6ceb5647d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_ae692cf0-3729-4b27-bfe3-53f21a747563"},{"id":"occ_715b99a611435572d0fb3730","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_c7d60186-400b-4373-838f-13affefef474","section_id":"sec_f62de756-b7cf-48ae-93c1-d612f2184b62","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"**CPU + GPU + TPU/LPU + HBM + DRAM + CXL + NIC + SSD**","quote_start":0,"quote_end":54,"text_sha256":"9c071751f0a94443af7e45401031acdb5912e36dc757bbbf39f2ec2f56a4aa3e","block_sha256":"9c071751f0a94443af7e45401031acdb5912e36dc757bbbf39f2ec2f56a4aa3e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_c7d60186-400b-4373-838f-13affefef474"},{"id":"occ_fd3b2df4c545efa1518168ab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb","work_id":"wrk_dea71d50-dc48-48c0-a352-3461dbce4132","block_id":"blk_c850caab-7ff9-46be-89a9-feb15ab5e31f","section_id":"sec_f5fb003a-62fe-48c2-a63d-107ee26859cb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":101,"end":105,"exact":"DRAM","quote":"組み合わせてLLM推論を実行する方向性を示している。これは、GPU HBMだけで全てを抱える時代から、CPU DRAMやストレージも含めた階層型メモリの時代へ進むことを意味する。([arXiv](https://arxiv.org/abs/2303.06865?utm_source=chatgpt.com))","quote_start":46,"quote_end":201,"text_sha256":"ec23472332d33a4a3121430cbf6396f049ee7c7547b8057b7387c9fce612bb85","block_sha256":"ec23472332d33a4a3121430cbf6396f049ee7c7547b8057b7387c9fce612bb85","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2cf94359-bc71-4b68-8fd3-9c93c45ac3eb/#blk_c850caab-7ff9-46be-89a9-feb15ab5e31f"},{"id":"occ_232e19bf5352a98ef4578532","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_a2e79fb3-c744-41bf-bc33-e53bb7485ca1","section_id":"sec_ac5a3b28-2a75-42b9-834a-d5ca28b8ff2f","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":67,"end":74,"exact":"LPDDR5X","quote":"を利用できることと、そのメモリがGPUのHBMと同じ速度になることは別だ。Graceの公式仕様でも、CPU側のLPDDR5XとGPU側のHBMは、容量と帯域を分けて記載されている。どこにデータを置き、どれだけ移動させるかは依然として重要になる。([NVIDIA Docs](https://docs.nvidia.com/d","quote_start":12,"quote_end":174,"text_sha256":"277975acae5427b13687291c7a89ca8c4ec9cc15d04753164519fb6a3d3efb6d","block_sha256":"277975acae5427b13687291c7a89ca8c4ec9cc15d04753164519fb6a3d3efb6d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_a2e79fb3-c744-41bf-bc33-e53bb7485ca1"},{"id":"occ_c9bdda122279143896eaf349","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2e5b712c-b120-4b45-91dd-33e6758666be","work_id":"wrk_c9d1ffd9-bc82-481f-b5ce-3dbca5dfe331","block_id":"blk_a3e90692-a239-4da0-97f8-8912424f2089","section_id":"sec_5961df64-54ba-48b0-a321-c09f290f2a87","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":91,"end":98,"exact":"LPDDR5X","quote":"を保存するならストレージが必要になる。分業を広げれば、結果や重みを移す通信も重要になる。GraceやVeraがLPDDR5Xを組み込むように、**CPU側のメモリ設計も、AIインフラの性能を左右する要素**である。([NVIDIA Docs](https://docs.nvidia.com/dccpu/grace-perf","quote_start":36,"quote_end":198,"text_sha256":"d8265033e78627d2c2e0e8ef240b7e5c950759baac1ea15a1dbfd14f9a28a5ad","block_sha256":"d8265033e78627d2c2e0e8ef240b7e5c950759baac1ea15a1dbfd14f9a28a5ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2e5b712c-b120-4b45-91dd-33e6758666be/#blk_a3e90692-a239-4da0-97f8-8912424f2089"},{"id":"occ_b4817d9ca14f94e52cb1d4be","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"title","start":30,"end":34,"exact":"DRAM","quote":"メモリ御三家はAIインフラの構造利益を取れるのか: HBM、DRAM、NAND不足と4兆ドル企業シナリオ","quote_start":0,"quote_end":52,"text_sha256":"8e96d361672cbf9c074305739747f75a3cf4709cec26e69104ac08ec573debde","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/"},{"id":"occ_863c59658758c9bd835f0afe","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_1314a2ef-9d50-4bb0-8de3-df18ee2537ef","section_id":"sec_04c7320f-c4a0-4132-92b1-ca3c633602b1","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DDR5","quote":"HBM4E、HBM5、DDR5、MRDIMM、SOCAMM、eSSD、QLC NANDが2028年以降も不足し続ける。","quote_start":0,"quote_end":59,"text_sha256":"8b1a70e8e5c936ea76d280e873370f710b827f51cbdeb9ff7529d8e889702ecd","block_sha256":"8b1a70e8e5c936ea76d280e873370f710b827f51cbdeb9ff7529d8e889702ecd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_1314a2ef-9d50-4bb0-8de3-df18ee2537ef"},{"id":"occ_41b7725ceb9bcbf21a198105","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_1496e065-e872-47c2-ad1c-64a5c70d448e","section_id":"sec_8c21fa7e-13cc-442a-b6b6-5ea1e90c0d1e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"この構造があるため、TrendForceは2026年DRAM市場を6,187億ドル、2027年を9,033億ドルへ上方修正している。","quote_start":0,"quote_end":66,"text_sha256":"3122de4547c0b5cb8cc0694aea6f0070346abd8b8bbeda944fbff3a9d147e077","block_sha256":"3122de4547c0b5cb8cc0694aea6f0070346abd8b8bbeda944fbff3a9d147e077","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_1496e065-e872-47c2-ad1c-64a5c70d448e"},{"id":"occ_550f1a3929579c26320317aa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_1629f454-64d6-48f6-8327-03f03323d854","section_id":"sec_33726e59-03d1-4979-a87c-214084c91aa3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"AIインフラでは、メモリを一種類で見ると読み違える。HBM、サーバーDRAM、eSSD、HBF、XL-FLASH、NOR/SLC NANDは、それぞれAI工場の違う階層を担う。","quote_start":0,"quote_end":88,"text_sha256":"395075aa02d6ef85e3594df9b85f2f278dbc8b4dcf1d9bdde13f4f1c2a053231","block_sha256":"395075aa02d6ef85e3594df9b85f2f278dbc8b4dcf1d9bdde13f4f1c2a053231","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_1629f454-64d6-48f6-8327-03f03323d854"},{"id":"occ_98713be77084ba594db4ff53","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_179f8aa1-66b3-4822-81e3-99d1642247c6","section_id":"sec_96d3a42e-80ef-41cd-977e-4839338a9c88","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"HBFとXL-FLASHは、HBMの完全代替ではない。\nHBMは演算直結の超低レイテンシDRAMである。\nHBF/XL-FLASHは、モデル重み、巨大ベクトルDB、RAG、KV cache、頻繁な小ブロック読み出しをGPU近傍に置くための「HBMの外側の高速大容量階層」である。","quote_start":0,"quote_end":139,"text_sha256":"bc17269a71c2241c8ee7592e7ced285402c5115e30e5a78626986559ba9c094f","block_sha256":"bc17269a71c2241c8ee7592e7ced285402c5115e30e5a78626986559ba9c094f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_179f8aa1-66b3-4822-81e3-99d1642247c6"},{"id":"occ_a7ea6fc5b63a5cbc12b82275","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_2e7fbf9e-2ca1-43ad-84a1-a3972fd3fa57","section_id":"sec_03db6bf6-163c-44f0-8586-d21f0bcc4bfc","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":175,"end":179,"exact":"DDR5","quote":"--- | ------------------------------- |\n| 主戦場    | HBM、DDR5、MRDIMM、SOCAMM、DRAM、eSSD | TLC/QLC eSSD、XL-FLASH、HBF       |\n| 最大の利益源 | HBMとサーバーDRAM                ","quote_start":120,"quote_end":279,"text_sha256":"b2265f8c4f992c549492c3435f69f30ef5902244ecbe289e427549a8b4320351","block_sha256":"b2265f8c4f992c549492c3435f69f30ef5902244ecbe289e427549a8b4320351","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_2e7fbf9e-2ca1-43ad-84a1-a3972fd3fa57"},{"id":"occ_caa7e53527d7dc7d444f670c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_36dccc45-3c9a-4a5c-b672-2fe60fa7a34e","section_id":"sec_33726e59-03d1-4979-a87c-214084c91aa3","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":48,"end":52,"exact":"DDR5","quote":"```text\nGPU / ASIC\n  ↓ 直結・超高帯域\nHBM\n  ↓ サーバー内メモリ\nDDR5 / MRDIMM / SOCAMM\n  ↓ 近傍ストレージ\nTLC / QLC eSSD\n  ↓ 推論高速化・巨大重み階層\nHBF / XL-FLASH\n  ↓ 制御・起動・産業機器\nNOR / S","quote_start":0,"quote_end":152,"text_sha256":"0378c9f01451ed40ee3b6224f543cf2f4883cae13158a55f62de0dce07243972","block_sha256":"0378c9f01451ed40ee3b6224f543cf2f4883cae13158a55f62de0dce07243972","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_36dccc45-3c9a-4a5c-b672-2fe60fa7a34e"},{"id":"occ_5f8f0866717a735266d1308d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_44510790-7812-4e65-8782-dc640e577b6e","section_id":"sec_0ad8d54f-23c6-4b9a-86dd-1816f4cadd14","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DDR5","quote":"2026〜2027年にHBM、DDR5、MRDIMM、SOCAMM、QLC eSSD、NOR、SLC NANDが同時に締まれば、メモリ企業の利益は急激に膨らむ。だが、市場が高いPERを許すかどうかは、その利益が一度限りのサイクル利益なのか","quote_start":0,"quote_end":119,"text_sha256":"d6f067ce4c962805d49ef2c7e05d0b5de2dd9589b7a84dd8a47b1da6f0943672","block_sha256":"d6f067ce4c962805d49ef2c7e05d0b5de2dd9589b7a84dd8a47b1da6f0943672","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_44510790-7812-4e65-8782-dc640e577b6e"},{"id":"occ_d03813e212ea6cbd3b230acd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_52e612cb-1bf8-498c-808f-865228414707","section_id":"sec_8c21fa7e-13cc-442a-b6b6-5ea1e90c0d1e","layer":"body","character_id":null,"count":6,"matched_aliases":["DDR4","DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"HBM不足\n→ 先端DRAMウェハ不足\n→ サーバーDDR5/RDIMM/MRDIMM不足\n→ 通常DDR5/DDR4不足\n→ DDR3や成熟DRAMへの仕様ダウングレード\n→ DRAM全体のASP上昇","quote_start":0,"quote_end":101,"text_sha256":"5a898d2a9e832a035afdb99c06f3bc5025bb34dd8f0c550817427c65ff9d657e","block_sha256":"5a898d2a9e832a035afdb99c06f3bc5025bb34dd8f0c550817427c65ff9d657e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_52e612cb-1bf8-498c-808f-865228414707"},{"id":"occ_06cba50ee3e4a26811a42370","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_620e64ec-c866-4c13-96dc-bf5a87ffe3d2","section_id":"sec_4e33b5da-66ae-48fc-8ac7-4158190c4e58","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DDR5","quote":"**絶ノイア:** HBMだけでなく、DDR5、MRDIMM、SOCAMM、eSSD、HBF、成熟NANDまでつながっているのが重要です。","quote_start":0,"quote_end":69,"text_sha256":"064f1ac96a17d9277ffb3da701dc82dbb94d8b0d9d1a099463f96a61e0b7dc4d","block_sha256":"064f1ac96a17d9277ffb3da701dc82dbb94d8b0d9d1a099463f96a61e0b7dc4d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_620e64ec-c866-4c13-96dc-bf5a87ffe3d2"},{"id":"occ_cbb058c33b24ba8214726394","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_80b09228-dc3a-4dae-a1ee-6a9f77413c25","section_id":"sec_6ae53732-bb0a-44c5-a5bf-e666ca4c6370","layer":"body","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DRAM","quote":"業の巨大化は、一時的な利益爆発ではなく、AIインフラ向け構造利益として評価されるかで決まる。\n- HBMは先端DRAMウェハを大量に吸収し、一般DRAMやサーバーDRAMの供給にも影響する。\n- NANDは、TLC/QLC eSSDのAI需要と、NOR/SLC NANDの成熟品不足を分けて見る必要がある。\n- Kio","quote_start":6,"quote_end":165,"text_sha256":"f8215c4aef76825cb6d537d150d7f2d1cf4cfd3e62cfccdc9ad3bc0225f89c6d","block_sha256":"f8215c4aef76825cb6d537d150d7f2d1cf4cfd3e62cfccdc9ad3bc0225f89c6d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_80b09228-dc3a-4dae-a1ee-6a9f77413c25"},{"id":"occ_2c69ebc2310655374451da3a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_883787c4-04cf-4542-a247-27e42a89f166","section_id":"sec_8c21fa7e-13cc-442a-b6b6-5ea1e90c0d1e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":38,"end":42,"exact":"DRAM","quote":"今回のメモリ相場は、単なる在庫循環ではない。中心にあるのは、HBMによる先端DRAMウェハの吸収である。","quote_start":0,"quote_end":52,"text_sha256":"17b354ab9063a8ad3a65d8039494b57caeb917ce7f076997e909283faae2c231","block_sha256":"17b354ab9063a8ad3a65d8039494b57caeb917ce7f076997e909283faae2c231","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_883787c4-04cf-4542-a247-27e42a89f166"},{"id":"occ_9cfe8c8e5f8c25e8af654a94","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_92b9c674-91b1-49a6-b0e4-4d1b0a4ef069","section_id":"sec_50df44e7-3846-410b-9bbb-d577435f5e35","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBMは先端DRAMウェハを大量に消費する。\nAIサーバーDRAMはGPU/ASIC増加とともに伸びる。\neSSDはAI推論、RAG、KV cache、HDD代替で伸びる。\nNOR/SLC NANDは成熟品撤退により構造","quote_start":0,"quote_end":110,"text_sha256":"ccda25410ecec8be0a6fd74d78ae7561ea8dc0daa13edba5253bbf7cd900e643","block_sha256":"ccda25410ecec8be0a6fd74d78ae7561ea8dc0daa13edba5253bbf7cd900e643","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_92b9c674-91b1-49a6-b0e4-4d1b0a4ef069"},{"id":"occ_0a9e8c014a428a8192b50965","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_b193f436-b420-4e37-9aa2-b9a280f4e7a7","section_id":"sec_0ad8d54f-23c6-4b9a-86dd-1816f4cadd14","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":111,"end":115,"exact":"DRAM","quote":"約 | 短期スポット価格が主導する | HBM/eSSDの長期契約と顧客認証が主導する |\n| 供給 | 一般DRAM/NAND増産で急に緩む | HBM、積層、先端パッケージ、電力が同時に制約になる |\n| 需要 | 顧客在庫積み増しで止まる | 推論、RAG、KV cache、主権AIクラウドが常時稼働需要になる","quote_start":56,"quote_end":215,"text_sha256":"e0bfc08c7334d651377af4abaf5bf7ffba402b8cb8bff31fee651974f5ee1766","block_sha256":"e0bfc08c7334d651377af4abaf5bf7ffba402b8cb8bff31fee651974f5ee1766","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_b193f436-b420-4e37-9aa2-b9a280f4e7a7"},{"id":"occ_5a1959c6053a73db2a666a03","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_c68fbb2c-4ead-4d08-a271-a16d29c1a9ba","section_id":"sec_bc5cd9e4-13bf-4471-b7d8-da96b5fb4d46","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":86,"end":90,"exact":"DRAM","quote":"割安ではなかったという展開になる。\nただし、過去のメモリ不況のように完全赤字化するよりは、HBM、AIサーバーDRAM、eSSDが下支えして「高利益から中利益への調整」になる可能性が高い。","quote_start":31,"quote_end":125,"text_sha256":"fc99613bc23eac2cacdb165ae52321955e4df49027810f24fa83149982b20915","block_sha256":"fc99613bc23eac2cacdb165ae52321955e4df49027810f24fa83149982b20915","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_c68fbb2c-4ead-4d08-a271-a16d29c1a9ba"},{"id":"occ_f50c659562c5978031fffbd7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_ce0dc454-b28a-44d1-ad0b-d0d9e250e501","section_id":"sec_33726e59-03d1-4979-a87c-214084c91aa3","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":80,"end":84,"exact":"DDR5","quote":"は単なる部品不足ではなく、AIインフラ全体の速度制限になる。GPUを買えてもHBMが足りない。HBMを積めてもDDR5やeSSDが高い。eSSDを確保しても産業・車載向けの成熟メモリが不足する。そうなると、AIインフラの成長は、メモリ各社の価格交渉力を長く支える。","quote_start":25,"quote_end":157,"text_sha256":"d72638d0272d4adc35555dce3bb61a589e68ad7cb496156cf433fd94f316cdb2","block_sha256":"d72638d0272d4adc35555dce3bb61a589e68ad7cb496156cf433fd94f316cdb2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_ce0dc454-b28a-44d1-ad0b-d0d9e250e501"},{"id":"occ_01e3033bf6119046dfaaefe3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_d07a7892-6167-4295-92a5-083bcbf77569","section_id":"sec_7e80becc-7ac5-41cc-aae2-d42ad0debe6b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## HBM・DRAM・NAND不足、Kioxia/SanDiskの1兆ドルシナリオまで","quote_start":0,"quote_end":44,"text_sha256":"508dce12d6f7696fcd29d6baf20c7154b2b2925dc9d50752b6e507586c0993d1","block_sha256":"508dce12d6f7696fcd29d6baf20c7154b2b2925dc9d50752b6e507586c0993d1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_d07a7892-6167-4295-92a5-083bcbf77569"},{"id":"occ_81d4545c1cfeee5dd3c94a54","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_d629e1aa-3300-4276-850c-92c3d0d110c8","section_id":"sec_8c21fa7e-13cc-442a-b6b6-5ea1e90c0d1e","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR4","DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"これは非常に重要である。\nHBMは大量の先端DRAMウェハを消費するにもかかわらず、出荷ビット量としては通常DRAMほど増えない。つまり、HBMが増えるほど、DDR5、RDIMM、MRDIMM、SOCAMM、LPDDR、DDR4などに回る供給が削られる","quote_start":0,"quote_end":126,"text_sha256":"10bfc87e5f1d132b7c24ea3507faaa4d2c385a545307308969544f62d15a6a4e","block_sha256":"10bfc87e5f1d132b7c24ea3507faaa4d2c385a545307308969544f62d15a6a4e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_d629e1aa-3300-4276-850c-92c3d0d110c8"},{"id":"occ_af04f1c8970aba133b94d9b8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_eb6c3011-bb16-4b01-b30c-d8ad0e18f046","section_id":"sec_50df44e7-3846-410b-9bbb-d577435f5e35","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DDR5","quote":"この答えが見えてくるのは、HBM4E/HBM5、DDR5/MRDIMM/SOCAMM、QLC eSSD、HBF/XL-FLASHの2028年契約価格と供給状況が明らかになる時である。","quote_start":0,"quote_end":91,"text_sha256":"a554de932a91f0c69bc80e9b12a7a9f685e1efb8fb9c9b3e5925857f387afdbd","block_sha256":"a554de932a91f0c69bc80e9b12a7a9f685e1efb8fb9c9b3e5925857f387afdbd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_eb6c3011-bb16-4b01-b30c-d8ad0e18f046"},{"id":"occ_a72875a13bbf09de30c6d5e6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7","work_id":"wrk_22580832-91eb-41f5-879d-0ee23fcf4e6f","block_id":"blk_ec8e0d6b-10d7-463f-a88f-099960eec6a0","section_id":"sec_57ed0a6d-c6bb-41e2-a775-35ff9c08fb99","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"KioxiaとSanDiskは、Samsung/SK hynix/Micronとは少し違う。\n彼らはDRAM/HBM企業ではなく、NAND特化のAIストレージ企業である。","quote_start":0,"quote_end":85,"text_sha256":"85c5085dc33a367366f5fa9cfe218135cbb55d13e9dbf5920793c109bf7d46ab","block_sha256":"85c5085dc33a367366f5fa9cfe218135cbb55d13e9dbf5920793c109bf7d46ab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_2f5cc921-59ef-4e07-ba11-82e4656c1db7/#blk_ec8e0d6b-10d7-463f-a88f-099960eec6a0"},{"id":"occ_c6ac5af05e45750d6ee5c32a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_355a11d8-4fec-4b80-a649-e98f432ab2b2","work_id":"wrk_88ec36ab-4756-4367-9133-1ec996d49f09","block_id":"blk_32189a04-d6a6-4e1a-bb73-d921b5142d34","section_id":"sec_453dd87d-5668-4061-bb85-a99e8e4f8a57","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DRAM","quote":"TELもAIサーバー向け先端Logic、DRAM、HBM、先端パッケージ投資を中長期の成長ドライバーとしている。([Tel](https://www.tel.com/ir/irta3a00000006g5-att/fy26q3presentatio","quote_start":0,"quote_end":124,"text_sha256":"2d7a1780ad720852e813845df3915cdb47fa202be191f374c46ac469f22de09d","block_sha256":"2d7a1780ad720852e813845df3915cdb47fa202be191f374c46ac469f22de09d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_355a11d8-4fec-4b80-a649-e98f432ab2b2/#blk_32189a04-d6a6-4e1a-bb73-d921b5142d34"},{"id":"occ_e3e98fca6725c8def0727af8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_355a11d8-4fec-4b80-a649-e98f432ab2b2","work_id":"wrk_88ec36ab-4756-4367-9133-1ec996d49f09","block_id":"blk_3482a183-4edc-4655-9948-8f752b085869","section_id":"sec_73304a98-c429-452a-b3b5-b4ca4f2eb709","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":780,"end":785,"exact":"LPDDR","quote":"      └──→ 外資Fabless          +40%～\n│   │\n│   └─ DDR / LPDDR / PCIeを追加\n│            ↓\n│         Kioxia / 外資への価値がさらに上昇\n│\n├─ C. Embedded / Automotive\n│   │\n│   ├─","quote_start":725,"quote_end":885,"text_sha256":"69e1e7204b65d8918c353e0a3a54b03994311d405b4b275829b3793ad1742f6f","block_sha256":"69e1e7204b65d8918c353e0a3a54b03994311d405b4b275829b3793ad1742f6f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_355a11d8-4fec-4b80-a649-e98f432ab2b2/#blk_3482a183-4edc-4655-9948-8f752b085869"},{"id":"occ_6c965ce642a7554e637bc38d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_355a11d8-4fec-4b80-a649-e98f432ab2b2","work_id":"wrk_88ec36ab-4756-4367-9133-1ec996d49f09","block_id":"blk_bb3e01eb-c86c-48ce-9bcf-88421836b3c0","section_id":"sec_aa069e36-f0bc-4f30-894f-86d08d5dfbea","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":197,"end":202,"exact":"LPDDR","quote":"   ↓\nKioxia SSD Controller SoC\n        │\n        + DDR/LPDDR\n        + PCIe\n        + Storage architecture\n```","quote_start":142,"quote_end":252,"text_sha256":"66904ae5ac9a9d4d5dff64975d37dd2b8a597095761a271c0419e8ae241c4944","block_sha256":"66904ae5ac9a9d4d5dff64975d37dd2b8a597095761a271c0419e8ae241c4944","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_355a11d8-4fec-4b80-a649-e98f432ab2b2/#blk_bb3e01eb-c86c-48ce-9bcf-88421836b3c0"},{"id":"occ_1a6cb53774061eacb2ba10d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_355a11d8-4fec-4b80-a649-e98f432ab2b2","work_id":"wrk_88ec36ab-4756-4367-9133-1ec996d49f09","block_id":"blk_ccc8a11e-30bf-4ed8-9706-b091a5ebb452","section_id":"sec_87dce3aa-9d64-40d8-95e2-4c03bc17fbd7","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":13,"end":18,"exact":"LPDDR","quote":"- AMBA\n- DDR/LPDDR\n- PCIe","quote_start":0,"quote_end":25,"text_sha256":"b5f1bbfa502791321451e48af92599696db8d0375c599db1febd5be82b6063ad","block_sha256":"b5f1bbfa502791321451e48af92599696db8d0375c599db1febd5be82b6063ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_355a11d8-4fec-4b80-a649-e98f432ab2b2/#blk_ccc8a11e-30bf-4ed8-9706-b091a5ebb452"},{"id":"occ_c0ae50e908654dcaf19a22d8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_3621f98d-f1b9-4e97-9c8a-8b259cfd31c3","work_id":"wrk_68ec8173-3ea7-4526-bfea-020e82eae4c6","block_id":"blk_21f3c272-3104-4551-8c18-a665e77d7ce8","section_id":"sec_90ae605d-1dd7-4c38-856c-cd06f98bb107","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"SRAMはDRAMより速いが、面積を大きく使う。そのため、どこに置くか、どの演算器に近づけるかが極めて重要になる。","quote_start":0,"quote_end":57,"text_sha256":"11e0fe458ddeeedb8414ef0d33d9263173da937978daf261d19342addb560776","block_sha256":"11e0fe458ddeeedb8414ef0d33d9263173da937978daf261d19342addb560776","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_3621f98d-f1b9-4e97-9c8a-8b259cfd31c3/#blk_21f3c272-3104-4551-8c18-a665e77d7ce8"},{"id":"occ_aaa4ccffe3007fa5cb868c5e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1","work_id":"wrk_8fbff868-af29-43ba-894f-00d62785aa5f","block_id":"blk_358b551c-5981-4c55-b9c7-ab3f2491c76d","section_id":"sec_d825279c-6675-4acb-b6ef-7588c2dbd2c2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":171,"end":175,"exact":"DRAM","quote":"mera\n- LiDAR\n- IMU\n- MCU\n- Motor Driver\n- MOSFET/GaN\n- DRAM\n- NAND\n- Battery\n- BMS\n- DC/DC\n- Connector\n- FPC\n- Thermal Management\n- 構造材","quote_start":116,"quote_end":251,"text_sha256":"c7f9b5ed591d102f3fc324f2517356a50e7f066013ab6054cdbc355cf624dee9","block_sha256":"c7f9b5ed591d102f3fc324f2517356a50e7f066013ab6054cdbc355cf624dee9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1/#blk_358b551c-5981-4c55-b9c7-ab3f2491c76d"},{"id":"occ_cfef97838f52a759ef5b306b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1","work_id":"wrk_8fbff868-af29-43ba-894f-00d62785aa5f","block_id":"blk_ea8d43e9-e8a5-4fe8-b443-0e4996eddc68","section_id":"sec_96764489-6637-4a5b-a602-708b916cb371","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":45,"end":49,"exact":"DRAM","quote":"AI Acceleratorが増える  \n↓  \nHBM stackが増える  \n↓  \nDRAM die需要が増える","quote_start":0,"quote_end":59,"text_sha256":"3c64ec5167f2c0b76e88284f11046fc155060f3a349d9e9a4e92d135efe30a57","block_sha256":"3c64ec5167f2c0b76e88284f11046fc155060f3a349d9e9a4e92d135efe30a57","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1/#blk_ea8d43e9-e8a5-4fe8-b443-0e4996eddc68"},{"id":"occ_29646157940ed8ed282fc3e9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1","work_id":"wrk_8fbff868-af29-43ba-894f-00d62785aa5f","block_id":"blk_f2976bd8-47c6-445d-8c7a-93f3181d4a4c","section_id":"sec_86d3507f-77f7-4139-b499-c5979bfbe040","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"GPU  \nNPU  \nCPU  \nDRAM  \nStorage","quote_start":0,"quote_end":32,"text_sha256":"be22f5edf6168ecd34d6665f613de4048133290f0ca4d6b16c8c49000f32681c","block_sha256":"be22f5edf6168ecd34d6665f613de4048133290f0ca4d6b16c8c49000f32681c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_3fd4618d-8d1a-4a0a-8f71-c67475f7c6b1/#blk_f2976bd8-47c6-445d-8c7a-93f3181d4a4c"},{"id":"occ_83a1082d669c65e2abc5482b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_41b829bc-1306-4c10-bde5-69fe204ccdda","work_id":"wrk_8f5526ae-c39e-43a7-88ee-ce719579d629","block_id":"blk_258bddcd-ab11-40ce-9f00-9188ce8aa9f6","section_id":"sec_974914b5-074d-43aa-b195-a5e0ebf46a30","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"AIブームの中で価格が最も激しく上がっているのはDRAMとNANDです。TrendForceは2026年1QのDRAM契約価格見通しを前四半期比90～95%へ大きく引き上げており、NANDも強い上昇トレンドにあります。背景には、AIサーバー向け需要の急増と","quote_start":0,"quote_end":128,"text_sha256":"4dcb7148511a5b360df56b825599fa098394a94a2009f74de32179017758b78f","block_sha256":"4dcb7148511a5b360df56b825599fa098394a94a2009f74de32179017758b78f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_41b829bc-1306-4c10-bde5-69fe204ccdda/#blk_258bddcd-ab11-40ce-9f00-9188ce8aa9f6"},{"id":"occ_227c1dd48cf98c609ccadb72","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_41b829bc-1306-4c10-bde5-69fe204ccdda","work_id":"wrk_8f5526ae-c39e-43a7-88ee-ce719579d629","block_id":"blk_6f016d44-d2bf-4c28-b67a-c95ba4ff761e","section_id":"sec_92af6c83-fca9-411b-bb9a-846185ee14d0","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"2026年の価格上昇は、SSD/DRAMとHDDで仕組みが少し違います。  \nDRAMやNANDは、AI向け高収益製品への能力シフトと供給逼迫で価格が急騰しています。TrendForceは2026年1QにDRAM価格が\\*\\*前四半期比90","quote_start":0,"quote_end":120,"text_sha256":"5e2927dcede65e17f9919dfd8fda850bcff136836c69c7233b981855476731a4","block_sha256":"5e2927dcede65e17f9919dfd8fda850bcff136836c69c7233b981855476731a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_41b829bc-1306-4c10-bde5-69fe204ccdda/#blk_6f016d44-d2bf-4c28-b67a-c95ba4ff761e"},{"id":"occ_d85e745bc868f26a1f4fd726","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_41b829bc-1306-4c10-bde5-69fe204ccdda","work_id":"wrk_8f5526ae-c39e-43a7-88ee-ce719579d629","block_id":"blk_b824e28f-de85-4536-bfd4-1e08c4eff6d7","section_id":"sec_c0a8a095-898e-4189-87b1-a4aa09a100d8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":141,"end":145,"exact":"DRAM","quote":"増し、データセンターはこれまで以上に**高速ストレージ**と**大容量ストレージ**の両方を必要としています。DRAMやSSDはホットデータと高速処理を支え、HDDはウォームデータやコールドデータを低コストで保持する役割を担っています。つまり2026年は、「SSDがHDDを置き換える」時代ではなく、**SSDとHDD","quote_start":86,"quote_end":245,"text_sha256":"39495cb5a3636559e4b2f21955dae536c0a080756c9a72e8fac68885f054d986","block_sha256":"39495cb5a3636559e4b2f21955dae536c0a080756c9a72e8fac68885f054d986","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_41b829bc-1306-4c10-bde5-69fe204ccdda/#blk_b824e28f-de85-4536-bfd4-1e08c4eff6d7"},{"id":"occ_f47012566c0c33870c59c2d8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_41b829bc-1306-4c10-bde5-69fe204ccdda","work_id":"wrk_8f5526ae-c39e-43a7-88ee-ce719579d629","block_id":"blk_c4f27792-3f5d-4bf2-94e5-ed892ace8548","section_id":"sec_2a25b87e-0fd5-4e94-9d18-446e86dadc0f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":136,"end":140,"exact":"DRAM","quote":"上げる考え方です。WDはこれを大容量化の要として位置付けています。ArmorCacheもその一部で、電源断時にDRAM上のデータをフラッシュへ退避して保護する仕組みです。 ([Western 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CPUにも演算器、レジスタ、SRAM、DRAMがある\n- GPUにも演算器、レジスタ、SRAM、DRAMがある\n- ASICにも演算器、レジスタ、SRAMがあり、用途に応じてHBMやDDRを接続する\n- HBMはGPU専用の別種メモリーではなく、","quote_start":0,"quote_end":125,"text_sha256":"d612bf5e2b82a12b2448ea10f9d334c7b7cc32eadb346fdedbf2c84e775d9e6d","block_sha256":"d612bf5e2b82a12b2448ea10f9d334c7b7cc32eadb346fdedbf2c84e775d9e6d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_001f4a5d-1136-4e30-a209-a65e55e8adf7"},{"id":"occ_3b5221c99d2e938a218d65ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_03fe1512-74ab-4a3e-8e9f-ef5113cd4c96","section_id":"sec_a8d1da76-a79c-4637-920d-af355b517b92","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"- HBM\n- サーバーDRAM\n- QLC eSSD\n- 車載・産業用製品","quote_start":0,"quote_end":38,"text_sha256":"adf073bdc8b1cbe194ba71e1310a51dcb608ff9e9d047f1f034726ad7e53058d","block_sha256":"adf073bdc8b1cbe194ba71e1310a51dcb608ff9e9d047f1f034726ad7e53058d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_03fe1512-74ab-4a3e-8e9f-ef5113cd4c96"},{"id":"occ_4a7c8edf65a961c3064e3727","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_048f5d05-170d-4c4f-ad06-e39e5c7eb3e3","section_id":"sec_bb4e891b-8d26-4899-b8ff-c4155e5b75a1","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"GDDR","quote":"外側にHBMまたはGDDRが接続される。","quote_start":0,"quote_end":20,"text_sha256":"cb349e64a7ea56f14e01698e008b90147e16070fdc1fd31da1b910bf646f54db","block_sha256":"cb349e64a7ea56f14e01698e008b90147e16070fdc1fd31da1b910bf646f54db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_048f5d05-170d-4c4f-ad06-e39e5c7eb3e3"},{"id":"occ_a1e3000871abd5f1d98587aa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_067d63a4-1c91-4b3a-9f6e-fc602686e66c","section_id":"sec_07de2a1b-2c38-4af9-a85c-821a3058048b","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"GDDR","quote":"GPUではCPU以上に大きなメモリー帯域が必要になる。そのためGPUの外部には、DDRよりも帯域の広いHBMやGDDRが使われる。","quote_start":16,"quote_end":81,"text_sha256":"9c397647a731c5105eaee478c95ef3774ddf461a91fc25e3986572d4f818a334","block_sha256":"9c397647a731c5105eaee478c95ef3774ddf461a91fc25e3986572d4f818a334","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_067d63a4-1c91-4b3a-9f6e-fc602686e66c"},{"id":"occ_2026ea58923bbe4742f7f791","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_0e3cc8bf-d315-4648-a303-a6cf25c82c44","section_id":"sec_581caf25-2bce-4494-949a-4e26341664d4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":35,"end":39,"exact":"DRAM","quote":"メモリーコヒーレントとは、CPUキャッシュ、GPUキャッシュ、CPU側DRAM、GPU側HBMの間で、データの整合性を保つ仕組みである。","quote_start":0,"quote_end":68,"text_sha256":"bd5a05438d38c99a58ad6b54961d45fc816ee3b0d739b6e23ae4e4e5036d0446","block_sha256":"bd5a05438d38c99a58ad6b54961d45fc816ee3b0d739b6e23ae4e4e5036d0446","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_0e3cc8bf-d315-4648-a303-a6cf25c82c44"},{"id":"occ_1b288ca59ed9c41e3bb7b5b8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_1135d6be-1f27-45f8-9aa7-151eb0d507df","section_id":"sec_c01beedd-6c14-406f-a2bc-880836ca77d0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"- 演算器の種類\n- 演算器の個数\n- レジスタの量\n- SRAMの容量\n- 外部DRAMの種類\n- データをどの階層で再利用するか","quote_start":0,"quote_end":66,"text_sha256":"9b35c7e086cf5bc3572dd909e4cb2f2e0a0023911687f44e7cb3bf082c961423","block_sha256":"9b35c7e086cf5bc3572dd909e4cb2f2e0a0023911687f44e7cb3bf082c961423","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_1135d6be-1f27-45f8-9aa7-151eb0d507df"},{"id":"occ_9f140af5514bbb83deb2d278","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_12346aff-cc03-4a5d-bb02-4b0ce8d178d2","section_id":"sec_e62e4362-35c5-41fa-9332-c19c8adbffe7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMが「作業机」なら、NANDは「書類棚」に近い。","quote_start":0,"quote_end":27,"text_sha256":"6921a5853560ce38479544815af53f9aa61a559b6cadf5e864d832ab4935d9c1","block_sha256":"6921a5853560ce38479544815af53f9aa61a559b6cadf5e864d832ab4935d9c1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_12346aff-cc03-4a5d-bb02-4b0ce8d178d2"},{"id":"occ_ef10a5f73f1348230dca21f1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_162af379-816e-49a7-95b1-dfd97c2bfd8b","section_id":"sec_ddb62e93-8421-4f06-b0c0-bbfcff94bb30","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"GDDR","quote":"```\n演算器\n  ↑\nレジスタ\n  ↑\nL1・共有メモリー・L2などのSRAM\n  ↑\nHBM・GDDR・DDR・LPDDRなどのDRAM\n  ↑\nSSDのNAND\n  ↑\nHDD・磁気テープ\n```","quote_start":0,"quote_end":101,"text_sha256":"f65f9dec1892750b88ba1c6e6fe37745044bb1883b6a4337f40c0e05d9cdc446","block_sha256":"f65f9dec1892750b88ba1c6e6fe37745044bb1883b6a4337f40c0e05d9cdc446","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_162af379-816e-49a7-95b1-dfd97c2bfd8b"},{"id":"occ_87aa04cb7817a1b5fb290528","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_19fa77c6-1e64-4682-8126-cb8101827e2b","section_id":"sec_3e45625e-e667-4875-97a2-4af0d9204fea","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"SSD内部のDRAMは、単に書き込みデータを一時保存するだけではない。","quote_start":0,"quote_end":35,"text_sha256":"f5dd76b68d6a675e11a15b3dede6d6e842f03ee9f1bf5af3ae64bc38017a551f","block_sha256":"f5dd76b68d6a675e11a15b3dede6d6e842f03ee9f1bf5af3ae64bc38017a551f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_19fa77c6-1e64-4682-8126-cb8101827e2b"},{"id":"occ_3126be157d341cf21137fde9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_1c05c021-ec13-47db-a87b-8acb6b704b6d","section_id":"sec_8a56ac89-fe16-4bd3-9996-ecc65e296dda","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":147,"end":152,"exact":"LPDDR","quote":"ckwell GPU\n                      ↓\n                CPU側LPDDR\n```","quote_start":92,"quote_end":156,"text_sha256":"a370cc07dcb553ac75573030039ede25f6b49cb866003e2da7865f0343f7f463","block_sha256":"a370cc07dcb553ac75573030039ede25f6b49cb866003e2da7865f0343f7f463","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_1c05c021-ec13-47db-a87b-8acb6b704b6d"},{"id":"occ_e0c31b84022ebde5d1b33cc8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_1c9fb0b0-b6a1-4c6d-9997-2a8fc9bbb80a","section_id":"sec_d5bc426f-c14c-4ed0-bc65-8f91369ae8a1","layer":"body","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DDR5","quote":"CPUの外部には、一般にDDR5やLPDDRなどのDRAMが接続される。CPU側DRAMは、HBMほどの帯域はない一方、比較的安価に数百GBから数TBまで増やしやすい。","quote_start":0,"quote_end":84,"text_sha256":"b8bab536eae7a1a8382b93e692b8e25a8430a8f113762009105f0921472bd6ad","block_sha256":"b8bab536eae7a1a8382b93e692b8e25a8430a8f113762009105f0921472bd6ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_1c9fb0b0-b6a1-4c6d-9997-2a8fc9bbb80a"},{"id":"occ_2b715cc22d211c3bdd432e83","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_1fbe20a4-0c32-4763-82c8-82c955e98c4c","section_id":"sec_af12738b-c0c4-415b-bcbc-388dfae13763","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"## 3．DRAMとは何か","quote_start":0,"quote_end":13,"text_sha256":"3e4cb1a43e5ac07698d778ed2ade51b2631c9e10b65f6fb47054adbc5cc853bd","block_sha256":"3e4cb1a43e5ac07698d778ed2ade51b2631c9e10b65f6fb47054adbc5cc853bd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_1fbe20a4-0c32-4763-82c8-82c955e98c4c"},{"id":"occ_5df065c76bf1042dac27db83","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_244ca2f0-7998-4119-902a-9f59a4fa895e","section_id":"sec_1b872411-0fd5-41ae-bf41-7050dd18895b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"その外側にSRAM、その外側にHBMやDDRなどのDRAMがある。","quote_start":0,"quote_end":33,"text_sha256":"400d624f16e8e2172c6b0a0a53a48c76e8433259e430c04195f634541949cf01","block_sha256":"400d624f16e8e2172c6b0a0a53a48c76e8433259e430c04195f634541949cf01","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_244ca2f0-7998-4119-902a-9f59a4fa895e"},{"id":"occ_7678a68ee9f76ab673beff1f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_278e4276-7476-4bb0-a2ad-9dbdcb4fc474","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"SRAMでDRAMと同じ容量を置き換えるのは、面積と価格の問題から現実的ではない。","quote_start":0,"quote_end":41,"text_sha256":"f1a457a7f08216a14411980c76d7da596d1204389a1b9cd75fb6b89ab14b9be5","block_sha256":"f1a457a7f08216a14411980c76d7da596d1204389a1b9cd75fb6b89ab14b9be5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_278e4276-7476-4bb0-a2ad-9dbdcb4fc474"},{"id":"occ_b9f8e14cd33291f2005ee118","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_2a072b69-75ed-4fdc-a430-394d9efbed38","section_id":"sec_bbf2c093-0ee6-4101-81e6-d6c1f0521836","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"2026年第1四半期には、一般DRAMの契約価格が前四半期比で約93～98％上昇し、DRAM業界売上は81％増の970億ドルに達した。第2四半期も一般DRAM価格は58～63％上昇したとTrendForceは推計している。([TrendF","quote_start":0,"quote_end":119,"text_sha256":"21ef2122059071faf6edd94367aaaa04ded98e952b0c07b768399bc14e4bcd17","block_sha256":"21ef2122059071faf6edd94367aaaa04ded98e952b0c07b768399bc14e4bcd17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_2a072b69-75ed-4fdc-a430-394d9efbed38"},{"id":"occ_12c637902306ecbafa7c6c1c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_2cdba42a-f137-4828-9500-280415187d4b","section_id":"sec_13a7e9cc-503f-4eab-a1fa-37d3c0389027","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DDR5","quote":"対象はHBM、DDR5、RDIMM、LPDDR、CXLメモリー。","quote_start":0,"quote_end":32,"text_sha256":"4ff22cbcbc9fc7cd3fd8d5db9585a387756f1033f25c931f4c69dbbccb7da2e9","block_sha256":"4ff22cbcbc9fc7cd3fd8d5db9585a387756f1033f25c931f4c69dbbccb7da2e9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_2cdba42a-f137-4828-9500-280415187d4b"},{"id":"occ_b68a3f8b8e458579bf12422a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_2d678849-34b2-45a4-9971-42b0864cdc1e","section_id":"sec_3e45625e-e667-4875-97a2-4af0d9204fea","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"したがって、高性能なエンタープライズSSDはNANDさえあれば作れるわけではない。DRAM、コントローラー、ファームウェア、電源部品のどれかが不足しても完成品を出荷できない。","quote_start":0,"quote_end":87,"text_sha256":"c80a33205d306f7e3f524890159eb98a62204dab5842d2a6790387fc6eea4122","block_sha256":"c80a33205d306f7e3f524890159eb98a62204dab5842d2a6790387fc6eea4122","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_2d678849-34b2-45a4-9971-42b0864cdc1e"},{"id":"occ_232037b3e32ee61764c5a6a9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_2fe28a34-ee61-4668-893e-f543dc46bbe6","section_id":"sec_1dac09e1-23fd-48d5-9fc5-6a24aff2a4b4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"この原則を理解すれば、なぜAI向けHBMが不足すると普通のDRAMまで値上がりするのか、なぜNANDメーカーがAIデータセンター向けSSDへ生産を寄せるのか、なぜ最近SRAMの重要性が急に語られ始めたのかが見えてくる。","quote_start":0,"quote_end":109,"text_sha256":"7c8555ccd1f62f2e264bfc2f393a63b5fec86575afe31cb5e7d4e0a85ba266c2","block_sha256":"7c8555ccd1f62f2e264bfc2f393a63b5fec86575afe31cb5e7d4e0a85ba266c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_2fe28a34-ee61-4668-893e-f543dc46bbe6"},{"id":"occ_ee142dc4bcd796bff6976778","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_33285d38-3535-49b0-aabd-a75fba64164c","section_id":"sec_d5bc426f-c14c-4ed0-bc65-8f91369ae8a1","layer":"code","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":115,"end":119,"exact":"DDR5","quote":"キャッシュ\n └─ L2キャッシュ\n        ↓\n複数コアで共有するL3キャッシュ\n        ↓\nDDR5・LPDDRなどのシステムDRAM\n        ↓\nSSD\n```","quote_start":60,"quote_end":154,"text_sha256":"1376466ab56f0198dbc86be7b751005109a0699af1706d28378cfe3be2e83208","block_sha256":"1376466ab56f0198dbc86be7b751005109a0699af1706d28378cfe3be2e83208","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_33285d38-3535-49b0-aabd-a75fba64164c"},{"id":"occ_d2202c4c1ac52cf4f5ad7699","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_339dde57-a0e6-415f-b3cf-1407a7ca6964","section_id":"sec_3e45625e-e667-4875-97a2-4af0d9204fea","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"きず、消去、再配置、ウェアレベリング、不良ブロック管理が必要になる。SSD容量が大きくなるほど、これを管理するDRAMの重要性も増す。","quote_start":16,"quote_end":83,"text_sha256":"ad5577971cc2086bd54439c6ec10243097a07a3adfe7fc77b9301a42a11738f7","block_sha256":"ad5577971cc2086bd54439c6ec10243097a07a3adfe7fc77b9301a42a11738f7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_339dde57-a0e6-415f-b3cf-1407a7ca6964"},{"id":"occ_9d2b67c449e5a3dc21c08e79","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_340edb0b-f56f-4f47-86d2-fa57bda9304b","section_id":"sec_700e109a-5cda-4075-bdb7-55f10002694f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":64,"end":68,"exact":"DRAM","quote":"レジスタ今計算している値SRAM再利用する重み、活性値、中間結果HBMモデル全体、大きなKVキャッシュCPU側DRAM退避データ、入力、システム処理SSD長期保存、Warm KV、データセット","quote_start":9,"quote_end":105,"text_sha256":"369df0de018984b78ff55ed838f2897873c5dc6f95a1c558b99e9e158538446a","block_sha256":"369df0de018984b78ff55ed838f2897873c5dc6f95a1c558b99e9e158538446a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_340edb0b-f56f-4f47-86d2-fa57bda9304b"},{"id":"occ_6f16f741cb902ad6b764c970","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_35bc995b-69c9-4fda-8425-55df6e193fe3","section_id":"sec_bbf2c093-0ee6-4101-81e6-d6c1f0521836","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"ただし第3四半期の値上がり予想は、一般DRAMで13～18％、NANDで10～15％へ減速している。","quote_start":0,"quote_end":50,"text_sha256":"cc9559218a6b41efd423254ab90840f689c2d402e38e27d26c7618cefdefc972","block_sha256":"cc9559218a6b41efd423254ab90840f689c2d402e38e27d26c7618cefdefc972","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_35bc995b-69c9-4fda-8425-55df6e193fe3"},{"id":"occ_fb42abb299f2fd0410356406","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_35d21117-175a-4c24-81cb-02f47bcd68df","section_id":"sec_141fb5fc-7f28-48b1-ad5e-32933b84e2c4","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":8,"end":13,"exact":"LPDDR","quote":"HBM、DDR、LPDDRのどこへウェハーを配分するかも重要である。","quote_start":0,"quote_end":34,"text_sha256":"5e0606b9d616bcf83f6dd44379a5bc1dd6aacfb849cebe79882d672ae26e9f41","block_sha256":"5e0606b9d616bcf83f6dd44379a5bc1dd6aacfb849cebe79882d672ae26e9f41","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_35d21117-175a-4c24-81cb-02f47bcd68df"},{"id":"occ_7a7505dc6165b7e86b51787e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_3e33f53b-357f-40f1-b72a-170dd08ad78f","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DDR5","quote":"HBMとDDR5は完全に同じ製品ではないが、上流ではDRAMウェハー、生産設備、人員、材料の一部を共有する。","quote_start":0,"quote_end":54,"text_sha256":"93eba39af7afa28a87cb3c13be1f2555cf90d2f030fca83aabc12c338bb3b8ad","block_sha256":"93eba39af7afa28a87cb3c13be1f2555cf90d2f030fca83aabc12c338bb3b8ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_3e33f53b-357f-40f1-b72a-170dd08ad78f"},{"id":"occ_6c4e1cbcf32b00b1bc90a699","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_42a640df-ae40-4246-9c99-1e6f3cf5915e","section_id":"sec_2baf69be-09f6-423b-abe7-8ba4133fa4fb","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":74,"end":79,"exact":"LPDDR","quote":"・アキュムレーター\n   ↑\nローカルSRAM\n   ↑\n共有SRAM・キャッシュ\n   ↑\nHBM・DDR・LPDDR\n   ↑\nSSD\n```","quote_start":19,"quote_end":92,"text_sha256":"0b9e5d7deec95d51faf455a9c535e639a5d7a82885bb2c386b1c215bf0c6ef47","block_sha256":"0b9e5d7deec95d51faf455a9c535e639a5d7a82885bb2c386b1c215bf0c6ef47","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_42a640df-ae40-4246-9c99-1e6f3cf5915e"},{"id":"occ_b7c275f9a57ad78942013ea3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_48051614-983d-4c6b-9d69-d74975625f65","section_id":"sec_a5e63ad5-86ce-4310-8f16-856351d776ee","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"前回の記事では、SRAM、DRAM、HBM、NANDを、演算器からの距離に応じた階層として説明した。","quote_start":0,"quote_end":50,"text_sha256":"499e0d0e6924a16c0032d9bd6d1c6c97232829e961cc8e9932b18992f46fae38","block_sha256":"499e0d0e6924a16c0032d9bd6d1c6c97232829e961cc8e9932b18992f46fae38","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_48051614-983d-4c6b-9d69-d74975625f65"},{"id":"occ_ca1ca5d5a2e2b1bd73e77a20","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_4c736eac-e290-4604-9ad9-ffbc70d52c87","section_id":"sec_a5e63ad5-86ce-4310-8f16-856351d776ee","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":57,"end":61,"exact":"DRAM","quote":"UとGPUの違いは、メモリーの種類を分担していることではなく、**演算器の構成、並列度、SRAMの使い方、外部DRAMに求める容量と帯域が違うこと**にある。","quote_start":2,"quote_end":81,"text_sha256":"1c9e8732eba1e7ada515226282314dc3f97216e80da0ba653af1b9b5343fc404","block_sha256":"1c9e8732eba1e7ada515226282314dc3f97216e80da0ba653af1b9b5343fc404","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_4c736eac-e290-4604-9ad9-ffbc70d52c87"},{"id":"occ_bed572e7d137e613d270924b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_4d279b85-a791-4ba8-a57c-6b98c384073f","section_id":"sec_581caf25-2bce-4494-949a-4e26341664d4","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":22,"end":27,"exact":"LPDDR","quote":"ただし、コヒーレントだからといって、CPU側LPDDRへのアクセスがGPU内SRAMやHBMと同じ速さになるわけではない。","quote_start":0,"quote_end":61,"text_sha256":"38bae29e5bdceef94295050d9960051d80527da9a8f3c69def40bd45dadf1a09","block_sha256":"38bae29e5bdceef94295050d9960051d80527da9a8f3c69def40bd45dadf1a09","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_4d279b85-a791-4ba8-a57c-6b98c384073f"},{"id":"occ_3e4bed17c447c54e4f90848b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_4e02e020-4d46-495d-8299-a30550c47ba8","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DDR5","quote":"- DDR5\n- サーバー用RDIMM\n- LPDDR\n- GDDR\n- SSD内部用DRAM","quote_start":0,"quote_end":47,"text_sha256":"c8ac106361451361a44deda8f86a91d45fd4bdb00f60443d611bb97ca62af08b","block_sha256":"c8ac106361451361a44deda8f86a91d45fd4bdb00f60443d611bb97ca62af08b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_4e02e020-4d46-495d-8299-a30550c47ba8"},{"id":"occ_3fd40dd896fb28faf7f24835","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_516e0356-4462-4b69-8ca6-fdda5ecdf3a5","section_id":"sec_ddb62e93-8421-4f06-b0c0-bbfcff94bb30","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":107,"end":111,"exact":"DRAM","quote":"ルがあり、スレッドごとのローカル変数を保持する。レジスタと共有メモリーは、どちらもGPUダイ内部にあり、外付けDRAMよりはるかに高速にアクセスできる。([NVIDIA Docs](https://docs.nvidia.com/cuda/cuda-programming-guide/01-introduction/","quote_start":52,"quote_end":211,"text_sha256":"be99ce5e587925987e64938006b362c1e3f0a8a969cfe120575bb562bfc0eb92","block_sha256":"be99ce5e587925987e64938006b362c1e3f0a8a969cfe120575bb562bfc0eb92","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_516e0356-4462-4b69-8ca6-fdda5ecdf3a5"},{"id":"occ_5accc3f2b90a97be7dafae47","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_54ab039c-2717-4942-9da4-bedaa4f813cc","section_id":"sec_92d0575f-8d20-47ff-a871-7d140df8052c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":21,"end":25,"exact":"DRAM","quote":"大手PC、スマートフォン、サーバー企業は、DRAMやNANDを四半期契約などで調達する。","quote_start":0,"quote_end":44,"text_sha256":"5ac15cbec30c848cf597830170faa8294f01a6f34ee4989e70ae779703bc2ada","block_sha256":"5ac15cbec30c848cf597830170faa8294f01a6f34ee4989e70ae779703bc2ada","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_54ab039c-2717-4942-9da4-bedaa4f813cc"},{"id":"occ_be6357fcdc7fe1620495d87d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_55d736e5-39c3-4501-ac9e-2cd53dad8435","section_id":"sec_07de2a1b-2c38-4af9-a85c-821a3058048b","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":124,"end":128,"exact":"DRAM","quote":"ッド用に大量搭載 |\n| SRAM | L1・L2・L3 | レジスタ、共有メモリー、L1・L2 |\n| 外部DRAM | DDR・LPDDR | HBM・GDDR |\n| 重視するもの | 低遅延・汎用性 | 帯域・並列処理 |\n| 主な役割 | 制御、逐次処理 | 行列、ベクトル処理 |\n```","quote_start":69,"quote_end":219,"text_sha256":"7c4a6ae6bb51d6f0c54bb24b3c3446b4b60d63de83d7bcc0c7b9e6fea92bd18c","block_sha256":"7c4a6ae6bb51d6f0c54bb24b3c3446b4b60d63de83d7bcc0c7b9e6fea92bd18c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_55d736e5-39c3-4501-ac9e-2cd53dad8435"},{"id":"occ_7a160cce005fb7e758a575f9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_5859c994-b732-4ffc-a575-2c2d25d34357","section_id":"sec_0dc265ae-f101-48d7-9669-f2c37021df6b","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":31,"end":38,"exact":"LPDDR5X","quote":"- GPU側HBM：最大96GB、最大3TB/s\n- CPU側LPDDR5X：最大512GB、最大546GB/s\n- CPU–GPU間NVLink-C2C：最大900GB/s","quote_start":0,"quote_end":87,"text_sha256":"33804ea5c31e901ac5d911100b9757d63cc9f649f95c2ed1c27c84975a3fcd97","block_sha256":"33804ea5c31e901ac5d911100b9757d63cc9f649f95c2ed1c27c84975a3fcd97","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_5859c994-b732-4ffc-a575-2c2d25d34357"},{"id":"occ_30138a722cfd52f76b1c9223","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_59ab4b5e-9a8e-473b-83f6-94a44b76208e","section_id":"sec_bb4e891b-8d26-4899-b8ff-c4155e5b75a1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"> **CPUもGPUも、演算器→レジスタ→SRAM→外部DRAMという同じ基本階層を持つ**","quote_start":0,"quote_end":47,"text_sha256":"e6efbfa46bc7dacf2a3b53a2ab17b565d128a66b69cbf5bbf3ead8e3cb118217","block_sha256":"e6efbfa46bc7dacf2a3b53a2ab17b565d128a66b69cbf5bbf3ead8e3cb118217","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_59ab4b5e-9a8e-473b-83f6-94a44b76208e"},{"id":"occ_1f3a29ab199a7861c032a757","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_5c337456-644e-4421-988c-e91149b87af7","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"ため、同じウェハー量を使っても、通常DRAMほど多くのビットを出荷できない。","quote_start":0,"quote_end":38,"text_sha256":"a29df8a9250abce057ad2153971b0cb50c62ad57804febb4bd69b25f6dd3e69b","block_sha256":"a29df8a9250abce057ad2153971b0cb50c62ad57804febb4bd69b25f6dd3e69b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_5c337456-644e-4421-988c-e91149b87af7"},{"id":"occ_a13d3ef9aadca0356ad9f701","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_5c7063cb-b6f9-43fd-94ee-6b815b52d364","section_id":"sec_bc6c0812-ef58-4692-adaf-03b3cfd1739c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"従来は、CPUキャッシュ、DRAM、SSD、HDDという比較的単純な階層だった。","quote_start":0,"quote_end":40,"text_sha256":"4785f854ea1e04ea74657fcee9ce5303e5c3625acc564abcd0a39482b63c039f","block_sha256":"4785f854ea1e04ea74657fcee9ce5303e5c3625acc564abcd0a39482b63c039f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_5c7063cb-b6f9-43fd-94ee-6b815b52d364"},{"id":"occ_fad0ee6a6b52201152fec6cc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_61b1a598-ea73-4ead-96eb-89533ac1c0b7","section_id":"sec_7080e4fd-c9b5-4356-afd5-10b0d51a1fe7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":21,"end":25,"exact":"DRAM","quote":"現在起きているSRAMブーム、HBM不足、DRAM高騰、QLC SSD拡大、HDD需要は、別々の現象ではない。","quote_start":0,"quote_end":55,"text_sha256":"07f729dbe70a15ccb8c56843b699623dace49165730f7b77d048bb4e543734a8","block_sha256":"07f729dbe70a15ccb8c56843b699623dace49165730f7b77d048bb4e543734a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_61b1a598-ea73-4ead-96eb-89533ac1c0b7"},{"id":"occ_f40b58b39e05287f1313619f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_61f4f5ce-2919-4620-89a9-2930d00bb9de","section_id":"sec_9dc667c2-6e11-444f-a436-838b67305068","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"位置付けとしては、DRAMと一般的なNAND SSDの間に近い。","quote_start":0,"quote_end":32,"text_sha256":"61ac38b6942039532d1d4e99521c6f6f6005386e2f2f3872b47f33848789f5b4","block_sha256":"61ac38b6942039532d1d4e99521c6f6f6005386e2f2f3872b47f33848789f5b4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_61f4f5ce-2919-4620-89a9-2930d00bb9de"},{"id":"occ_37406db9ae9bd1781fad8b9c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_63ea36b0-16e2-4a2c-b3bc-72c95f375581","section_id":"sec_abf47d4b-32ab-42f2-ae38-e109d30e2c82","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":42,"end":47,"exact":"LPDDR","quote":"- HBM：GPU・AI ASIC\n- RDIMM：AIサーバーと一般サーバー\n- LPDDR：省電力AIサーバー\n- SRAM：AIチップ内部\n- TLC SSD：高性能KVキャッシュ\n- QLC SSD：大容量AIデータ\n- HDD：データレイク\n- テープ：長期保存","quote_start":0,"quote_end":136,"text_sha256":"de188b06ae5a6be22e2b1120cd8810dc1229c091c719826b14914005248f324e","block_sha256":"de188b06ae5a6be22e2b1120cd8810dc1229c091c719826b14914005248f324e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_63ea36b0-16e2-4a2c-b3bc-72c95f375581"},{"id":"occ_c5cc881bea3fd96b5eabc490","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_641ef7cb-3154-45cc-a178-b776d58b74be","section_id":"sec_9b3c7345-5fed-4581-afb7-8d2e4afa8d2f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":36,"end":40,"exact":"DRAM","quote":"- 非常に低遅延\n- 極めて広い帯域\n- 演算器のすぐ近くに置ける\n- DRAMのようなリフレッシュが不要","quote_start":0,"quote_end":53,"text_sha256":"1786d1896d0bc159caf4e83f8b26765a7f737e6237773a9929577e2624dce63a","block_sha256":"1786d1896d0bc159caf4e83f8b26765a7f737e6237773a9929577e2624dce63a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_641ef7cb-3154-45cc-a178-b776d58b74be"},{"id":"occ_2347b2dd8e2d8ac3f9c10cea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_662f83ba-4fc7-4ebf-97cd-04c33b391459","section_id":"sec_1b872411-0fd5-41ae-bf41-7050dd18895b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":32,"end":36,"exact":"DRAM","quote":"> **演算器が必要とするデータを、レジスタ、SRAM、HBM、DRAM、SSDのどこへ置き、どれだけ再利用できるか。**","quote_start":0,"quote_end":61,"text_sha256":"f945a25a2c4347d4f1e050cdb78c555040d1f1484fb58ccdcd9be61ff2e7646c","block_sha256":"f945a25a2c4347d4f1e050cdb78c555040d1f1484fb58ccdcd9be61ff2e7646c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_662f83ba-4fc7-4ebf-97cd-04c33b391459"},{"id":"occ_f0c3ef06fc186f6e4d56195f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_70aa8cb8-5ac2-431a-8017-101698518286","section_id":"sec_af12738b-c0c4-415b-bcbc-388dfae13763","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは、PC、スマートフォン、サーバーの主記憶として使われるメモリーである。","quote_start":0,"quote_end":40,"text_sha256":"18b3d78081e8de8fe0943f4833cd272f5c373c18ce55dd0a831b8f739cfd8ab8","block_sha256":"18b3d78081e8de8fe0943f4833cd272f5c373c18ce55dd0a831b8f739cfd8ab8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_70aa8cb8-5ac2-431a-8017-101698518286"},{"id":"occ_06967ba1462394d13de342b6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_72034d1e-d873-45e3-ab70-a9b9d1e81005","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"SRAMが増えると、演算器は同じ重みや中間データを何度もHBMから読み直さずに済む。したがって、必要なDRAM容量そのものよりも、必要なDRAM帯域やアクセス回数を減らせる。","quote_start":0,"quote_end":87,"text_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","block_sha256":"29627c4c14a130d260385c07f489274215a9c1754f45f539fc2c3673f1fae289","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_72034d1e-d873-45e3-ab70-a9b9d1e81005"},{"id":"occ_4a7008e430d25f39051d6716","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_7b078abb-e3d0-4db4-bf78-969df01582c8","section_id":"sec_07e25edc-7a88-498a-90d8-24c1e67ec925","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"- 複数のDRAMダイ\n- TSVによる垂直接続\n- ロジックベースダイ\n- 積層・接合工程\n- インターポーザー\n- CoWoSなどの先端パッケージ\n- GPUとの電気的接続","quote_start":0,"quote_end":88,"text_sha256":"7c1cd0c91ac660263376339e251dbd8f711116d4c2d8421e812794eb1689c5b5","block_sha256":"7c1cd0c91ac660263376339e251dbd8f711116d4c2d8421e812794eb1689c5b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_7b078abb-e3d0-4db4-bf78-969df01582c8"},{"id":"occ_e7570eeaab34df40744e4071","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_7ecbd5ad-bccc-476b-868a-991aaee15d70","section_id":"sec_20eb8d00-9fc9-4c85-bb19-57557870a499","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"- HBMより大容量化しやすい\n- NANDなので不揮発\n- DRAMより待機電力を抑えやすい\n- 重みや使用頻度の低いデータを置ける","quote_start":0,"quote_end":67,"text_sha256":"b305834afedd5790b9f31e26ce2d80b1d4399f54b9dee92bfbcf1775e699c65e","block_sha256":"b305834afedd5790b9f31e26ce2d80b1d4399f54b9dee92bfbcf1775e699c65e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_7ecbd5ad-bccc-476b-868a-991aaee15d70"},{"id":"occ_1284ff08f6eb04e8ace73221","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_7f8bb333-1e5a-41cf-84b2-0329824a9d58","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"つまりHBMは高価格で利益率も高いが、**通常DRAMの供給能力を大きく消費する製品**でもある。","quote_start":0,"quote_end":49,"text_sha256":"64fdabb587eee6d4a72a37a353a07dbd39b4dcd13f845d71b2a5c1578daf7afe","block_sha256":"64fdabb587eee6d4a72a37a353a07dbd39b4dcd13f845d71b2a5c1578daf7afe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_7f8bb333-1e5a-41cf-84b2-0329824a9d58"},{"id":"occ_b015c1a4f5260c8ec8e13495","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8a5f05c9-76c0-4b7f-8e0d-de59332df978","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"## HBMが普通のDRAMまで不足させる理由","quote_start":0,"quote_end":23,"text_sha256":"5f49905c46f53fa180c746189513e2ffab32f89acada2cb5fcd705c668f57e3a","block_sha256":"5f49905c46f53fa180c746189513e2ffab32f89acada2cb5fcd705c668f57e3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8a5f05c9-76c0-4b7f-8e0d-de59332df978"},{"id":"occ_a5ef29126a7cabc6b4f02f59","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8a936f77-a27b-4f5f-9e33-578056a698a2","section_id":"sec_af12738b-c0c4-415b-bcbc-388dfae13763","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMには用途ごとに複数の種類がある。","quote_start":0,"quote_end":20,"text_sha256":"92b3f1e62d289dd8c17dd62f2f033ac7976f9b473b197834d0d20a96efe36592","block_sha256":"92b3f1e62d289dd8c17dd62f2f033ac7976f9b473b197834d0d20a96efe36592","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8a936f77-a27b-4f5f-9e33-578056a698a2"},{"id":"occ_60f40bf90dbd39a5e71588ed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8ab34ac3-bf68-44ca-bfc1-33ad69588a3d","section_id":"sec_a5e63ad5-86ce-4310-8f16-856351d776ee","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":64,"end":69,"exact":"LPDDR","quote":"、ASICのすべてに演算器、レジスタ、SRAMがある。**  \nそして必要に応じて、そのチップの外側にDDR、LPDDR、GDDR、HBMなどのDRAMを接続する。","quote_start":9,"quote_end":91,"text_sha256":"5b280a1b710028a3197f79602fd943b20f73a76163a992f7cead85ac3718cc07","block_sha256":"5b280a1b710028a3197f79602fd943b20f73a76163a992f7cead85ac3718cc07","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8ab34ac3-bf68-44ca-bfc1-33ad69588a3d"},{"id":"occ_f48220d2835e8b90ca652611","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8b433a0d-9f4d-499b-b5d5-97aa265d8340","section_id":"sec_07e25edc-7a88-498a-90d8-24c1e67ec925","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"HBMはHigh Bandwidth Memoryの略で、DRAMダイを縦に積み重ね、GPUやAI ASICの近くに置くメモリーである。","quote_start":0,"quote_end":68,"text_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","block_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8b433a0d-9f4d-499b-b5d5-97aa265d8340"},{"id":"occ_c4c5ce150e5d58c9ffdbf975","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_8faf4a23-59d3-4540-adc4-3a80f633cb38","section_id":"sec_7080e4fd-c9b5-4356-afd5-10b0d51a1fe7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"NAND、DRAM、HBMは競合する一種類のメモリーではない。","quote_start":0,"quote_end":31,"text_sha256":"d4c95a9b9dd49dcc3054d5ba0cdc946faf55c1523ea2aee480e8689e939702cf","block_sha256":"d4c95a9b9dd49dcc3054d5ba0cdc946faf55c1523ea2aee480e8689e939702cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_8faf4a23-59d3-4540-adc4-3a80f633cb38"},{"id":"occ_a6eed9c68cf617e026af8715","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_9237de27-d9a5-4ec1-9ccc-2210a8757bd9","section_id":"sec_2e4c59c1-e166-4494-90ac-3a55eae3fecb","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":39,"end":43,"exact":"DRAM","quote":"TrendForceは、主要3社のHBM向けウェハー投入比率が、2026年末にDRAM全体の約22％へ達する一方、得られるHBMビットは全DRAMビットの約9％にとどまると予測している。2027年にはウェハー投入の約30％を使いながら、ビット供給は約13％となる見通しである。([Tre","quote_start":0,"quote_end":143,"text_sha256":"d33fd87616a1d14eb25a0d30704344d5981d12f860fd3269babdf79d7933cb69","block_sha256":"d33fd87616a1d14eb25a0d30704344d5981d12f860fd3269babdf79d7933cb69","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_9237de27-d9a5-4ec1-9ccc-2210a8757bd9"},{"id":"occ_233a900423f42c8d21843def","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_93ca961b-6983-4810-89cf-e45a094b3fa4","section_id":"sec_0dc265ae-f101-48d7-9669-f2c37021df6b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"従来のCPUとGPUでは、CPU側DRAMからGPU側HBMへデータをコピーする必要があった。","quote_start":0,"quote_end":47,"text_sha256":"d3b19e0ec1608ad81677d57b70a3cc95c13b99a8c57b4a2359a92ebb58a83cf8","block_sha256":"d3b19e0ec1608ad81677d57b70a3cc95c13b99a8c57b4a2359a92ebb58a83cf8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_93ca961b-6983-4810-89cf-e45a094b3fa4"},{"id":"occ_ad7f6ff9b78d5e6dbbd120c1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_9c85150b-2a88-4a15-b9fd-31db708ee730","section_id":"sec_1b872411-0fd5-41ae-bf41-7050dd18895b","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":35,"end":40,"exact":"LPDDR","quote":"```\n演算器\n ↓\nレジスタ\n ↓\nSRAM\n ↓\nHBM・DDR・LPDDR\n ↓\nNAND SSD\n ↓\nHDD・磁気テープ\n```","quote_start":0,"quote_end":69,"text_sha256":"6df151d7056a109bb2ca0ea7a2353e52d46ea3d3b243927245884c2e1fe028ac","block_sha256":"6df151d7056a109bb2ca0ea7a2353e52d46ea3d3b243927245884c2e1fe028ac","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_9c85150b-2a88-4a15-b9fd-31db708ee730"},{"id":"occ_6594445e88f67723957485a2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a0061db7-341e-49e5-8373-b21af7caf48c","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1,"end":5,"exact":"DRAM","quote":"「DRAMが足りないならSRAMを増やせばよい」という考えは、半分正しく、半分間違っている。","quote_start":0,"quote_end":46,"text_sha256":"c603925e1fdf0a7346a3f38baf4c3d03bad9e7d561db229ef818d6b50e202155","block_sha256":"c603925e1fdf0a7346a3f38baf4c3d03bad9e7d561db229ef818d6b50e202155","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a0061db7-341e-49e5-8373-b21af7caf48c"},{"id":"occ_e672b84bf549ceeb8b2e2927","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a3ef7085-51de-40bf-9ccb-d2a327db1db9","section_id":"sec_9b3c7345-5fed-4581-afb7-8d2e4afa8d2f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":36,"end":40,"exact":"DRAM","quote":"SemiAnalysisは、SRAMを「非常に高速だが低密度」、DDR DRAMを「高密度で安価だが帯域が小さい」、HBMをその中間でAI向けに適したメモリーと整理している。([SemiAnalysis](https://newsletter.semianalysis.com/p","quote_start":0,"quote_end":140,"text_sha256":"671da7d251dfb7e09cf3a48763344bde3ac89d72088fced749b91939e2cc8673","block_sha256":"671da7d251dfb7e09cf3a48763344bde3ac89d72088fced749b91939e2cc8673","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a3ef7085-51de-40bf-9ccb-d2a327db1db9"},{"id":"occ_1f51607659d6a13bca6f3c1f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a57da9a5-d7fe-4372-9ad3-715cdb8c7acd","section_id":"sec_af12738b-c0c4-415b-bcbc-388dfae13763","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"重要なのは、**HBMもDRAMの一種**だということである。","quote_start":0,"quote_end":31,"text_sha256":"da2e12727134e6b9618245655c6edaba26a25ca4ef507ba6f45e11ab67a5bccb","block_sha256":"da2e12727134e6b9618245655c6edaba26a25ca4ef507ba6f45e11ab67a5bccb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a57da9a5-d7fe-4372-9ad3-715cdb8c7acd"},{"id":"occ_dd9f08209015bd8c5ecc301f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a650e325-94e8-4468-958a-1e8cfd595011","section_id":"sec_1b872411-0fd5-41ae-bf41-7050dd18895b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"「演算器とSRAMはCPU、HBMとDRAMはGPU」という分け方ではない。","quote_start":0,"quote_end":38,"text_sha256":"09d1b8babe25efdcbbb89d952659d5ef97ba8d4129690f685f909c157f0d68ba","block_sha256":"09d1b8babe25efdcbbb89d952659d5ef97ba8d4129690f685f909c157f0d68ba","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a650e325-94e8-4468-958a-1e8cfd595011"},{"id":"occ_bee0a2dba491db2c26e1b4c1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a7243742-cf0f-43c4-9ffd-d6677d150306","section_id":"sec_a5e63ad5-86ce-4310-8f16-856351d776ee","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"> 演算器とSRAMはCPU側にあり、HBMとDRAMはGPU側にあるのか。","quote_start":0,"quote_end":38,"text_sha256":"a96e2ca34a55e21095477c2bfce3733a4e626acbfd3eddb6ccf5f46542d24638","block_sha256":"a96e2ca34a55e21095477c2bfce3733a4e626acbfd3eddb6ccf5f46542d24638","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a7243742-cf0f-43c4-9ffd-d6677d150306"},{"id":"occ_1f5202402d6fee75f4c6c3ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a98ad1d7-d570-4cfa-b965-15d3df9ddd52","section_id":"sec_4b4f473e-5bdf-4f0b-979c-cd84f59bffab","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"SamsungはNAND、DRAM、SSDコントローラーを自社で持つ垂直統合が強い。SK hynixはHBMとサーバーDRAM、Solidigmは大容量QLC SSDに強い。MicronはDRAM、HBM、NAND、SSDを一体で供給","quote_start":0,"quote_end":117,"text_sha256":"60c03f0dde81caf487b577529fd03628e41dc0c7e60cd6d30e8f254e61c91e1a","block_sha256":"60c03f0dde81caf487b577529fd03628e41dc0c7e60cd6d30e8f254e61c91e1a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a98ad1d7-d570-4cfa-b965-15d3df9ddd52"},{"id":"occ_39148c19cfd80b6cc044ef3a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_a9ca8008-e6f0-45bd-8b3a-f4f68fae44a5","section_id":"sec_bb4e891b-8d26-4899-b8ff-c4155e5b75a1","layer":"code","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":132,"end":136,"exact":"GDDR","quote":"1キャッシュ\n          ↑\n       L2キャッシュ\n          ↑\n外付けHBMまたはGDDR\n```","quote_start":77,"quote_end":140,"text_sha256":"a400e1cc30df5bdb5984ac934381b56179fd23233e81f12db877e1fe7008cdf6","block_sha256":"a400e1cc30df5bdb5984ac934381b56179fd23233e81f12db877e1fe7008cdf6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_a9ca8008-e6f0-45bd-8b3a-f4f68fae44a5"},{"id":"occ_87134d6e95e813cc04ab5dcd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_abb64f90-49e0-4fc7-a345-e27b23f1ad68","section_id":"sec_f4560ce9-38e9-4e36-8c30-a33aa7ad517b","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":60,"end":64,"exact":"DRAM","quote":"も頻繁に使うデータ\n→ SRAM\n\n現在計算しているモデル・KV\n→ HBM\n\n一時退避・CPU作業領域\n→ DRAM\n\n近いうちに再利用するデータ\n→ XL-FLASH・TLC SSD・CMX\n\n大量のモデル、RAG、Warm KV\n→ QLC SSD・将来のHBF\n\n使用頻度の低いデータ\n→ HDD\n\n長期保存\n","quote_start":5,"quote_end":164,"text_sha256":"67ab88e33aa0a0cf044065c763b0753f99db0b35e68f129af17c3a3171991a49","block_sha256":"67ab88e33aa0a0cf044065c763b0753f99db0b35e68f129af17c3a3171991a49","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_abb64f90-49e0-4fc7-a345-e27b23f1ad68"},{"id":"occ_e292426db447a3f71221467b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_af727a38-fe9d-444a-91d1-348f840e2322","section_id":"sec_bb4e891b-8d26-4899-b8ff-c4155e5b75a1","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":64,"end":68,"exact":"DRAM","quote":"DAモデルでは、各SMにレジスタファイルと共有メモリーがあり、GPU全体では複数のSMがL2キャッシュと外付けDRAMを共有する。CPUにもGPUにも直接接続されたDRAMがあり、GPU側のDRAMはCUDAではグローバルメモリーと呼ばれる。([NVIDIA Docs](https://docs.nvidia.com","quote_start":9,"quote_end":168,"text_sha256":"469f61ce354195960e23b8211bd5c5d6a9e41d3376284d65b0725d7c0d24804a","block_sha256":"469f61ce354195960e23b8211bd5c5d6a9e41d3376284d65b0725d7c0d24804a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_af727a38-fe9d-444a-91d1-348f840e2322"},{"id":"occ_d4e28d3e8227ee121feec6ab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_afcc0035-4c1d-4710-b850-09e1b30bed0a","section_id":"sec_6392600a-66f3-4982-b3a9-a8018693e4ba","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"## NAND・DRAM・HBMの違いから始める、AI時代のメモリー入門","quote_start":0,"quote_end":36,"text_sha256":"ea679595a286725fffe06be806e42d708c5f97f33d1d0c0fc3d38a99f63425cf","block_sha256":"ea679595a286725fffe06be806e42d708c5f97f33d1d0c0fc3d38a99f63425cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_afcc0035-4c1d-4710-b850-09e1b30bed0a"},{"id":"occ_eb6a59b41707c1198657df0e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_b28672f0-df00-4659-b4f8-949570f237ac","section_id":"sec_bc6c0812-ef58-4692-adaf-03b3cfd1739c","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"| データ |\n| G1 | GPU HBM | 現在使っているActive KV |\n| G2 | システムDRAM | HBMから退避したKV |\n| G3 | ローカルSSD | 近いうちに再利用するKV |\n| G3.5 | 共有フラッシュ | 複数GPU間で共有するWarm KV |\n| G4 | ネットワ","quote_start":16,"quote_end":175,"text_sha256":"1bc5e5496766bbd5354287ecc16088ac122167cb75be86e8d685c5706842552e","block_sha256":"1bc5e5496766bbd5354287ecc16088ac122167cb75be86e8d685c5706842552e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_b28672f0-df00-4659-b4f8-949570f237ac"},{"id":"occ_6021ca071556d4b5dd0c0f32","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_b2fc2184-9653-4789-a0b3-e36a012b7bd4","section_id":"sec_2e160d9b-9bd6-415b-81de-3076e25933be","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":180,"end":184,"exact":"DRAM","quote":"ッシュ | SRAM |\n| GPUの共有メモリー | オンチップSRAM |\n| HBM・DDR | 外付けDRAM |\n```","quote_start":125,"quote_end":190,"text_sha256":"584a19563063407cf5193ee0847a0199d8e3de5e7bf19e35e75d392976780be6","block_sha256":"584a19563063407cf5193ee0847a0199d8e3de5e7bf19e35e75d392976780be6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_b2fc2184-9653-4789-a0b3-e36a012b7bd4"},{"id":"occ_638bef46a654cc389ddb2471","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_b68eed0f-1de2-4c29-a713-b39256703ada","section_id":"sec_1dac09e1-23fd-48d5-9fc5-6a24aff2a4b4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"AI半導体のニュースを追い始めると、HBM、DRAM、NAND、SRAM、QLC SSD、CXL、HBFといった言葉が一度に出てくる。","quote_start":0,"quote_end":67,"text_sha256":"6b6e5daafe3d52a925a5316d9dedb40ff892adf93d1b251a6f75be16f93ff7b3","block_sha256":"6b6e5daafe3d52a925a5316d9dedb40ff892adf93d1b251a6f75be16f93ff7b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_b68eed0f-1de2-4c29-a713-b39256703ada"},{"id":"occ_19190daa64f486016a2fba78","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_b91f1a21-4835-4383-a0ad-7fe048b8582b","section_id":"sec_0dc265ae-f101-48d7-9669-f2c37021df6b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"つまりCPU側DRAMも、GPUから見れば一段下のメモリー階層として利用できる。","quote_start":0,"quote_end":40,"text_sha256":"fe0a128315c7fac6e0d96921e961ea2120d4493b35b46651468d1a0700a21e12","block_sha256":"fe0a128315c7fac6e0d96921e961ea2120d4493b35b46651468d1a0700a21e12","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_b91f1a21-4835-4383-a0ad-7fe048b8582b"},{"id":"occ_c5334194bae1c5cb9c4630a5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_bb7b93f5-4407-4733-9ee8-0a261b2691fe","section_id":"sec_0022381f-3cb7-429e-a0c2-0e59d5a3283a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"SRAM中心型では、頻繁に使うモデル重みや中間データを演算器の近くへ置けるため、HBMやDRAMへのアクセスを減らせる。","quote_start":0,"quote_end":60,"text_sha256":"4af8cde497c75e37a7e6922cf47edffe543b46e1df74b7717e2e3cab03262df3","block_sha256":"4af8cde497c75e37a7e6922cf47edffe543b46e1df74b7717e2e3cab03262df3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_bb7b93f5-4407-4733-9ee8-0a261b2691fe"},{"id":"occ_f51298808ba9479f53c48c34","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_bba012f4-3a28-4e16-a667-fcd37535f3ce","section_id":"sec_700e109a-5cda-4075-bdb7-55f10002694f","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":70,"end":75,"exact":"LPDDR","quote":"\n- バッチ1推論ならSRAMを増やす\n- 大容量推論ならSRAMとHBMを併用する\n- 低価格エッジAIならLPDDRを使う","quote_start":15,"quote_end":78,"text_sha256":"40fb7a2c8321df2ff102c397426439ca8b802fc88170f03ddeb686d719abdcf7","block_sha256":"40fb7a2c8321df2ff102c397426439ca8b802fc88170f03ddeb686d719abdcf7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_bba012f4-3a28-4e16-a667-fcd37535f3ce"},{"id":"occ_4a4c61b6d1bc73589d8722f3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_bcc801a9-fd7f-48a3-86b4-1ac17093753a","section_id":"sec_a9d31305-583a-40e8-8c32-9ce7323bf738","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":87,"end":91,"exact":"DRAM","quote":"手に持っている数字 | 演算直前のデータ |\n| SRAM | 机の上 | 頻繁に使うデータ |\n| HBM・DRAM | 机の引き出し | 作業中のモデルやデータ |\n| NAND・SSD | 書類棚 | 後で使うデータ |\n| HDD | 倉庫 | 大量の保存データ |\n| 磁気テープ | 遠隔地の保管庫 | 長","quote_start":32,"quote_end":191,"text_sha256":"21a519e659b120d4683e3fd18c4396d5e9e57db9383fb110c1a5e2f82ac297bd","block_sha256":"21a519e659b120d4683e3fd18c4396d5e9e57db9383fb110c1a5e2f82ac297bd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_bcc801a9-fd7f-48a3-86b4-1ac17093753a"},{"id":"occ_2d44b053bb25bcb0bdfd8f6c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_c150584d-81cc-4b9e-99ef-df0d1c0ff848","section_id":"sec_af12738b-c0c4-415b-bcbc-388dfae13763","layer":"code","character_id":null,"count":3,"matched_aliases":["DDR5","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DDR5","quote":"```\n| 種類 | 主な用途 |\n| DDR5 | PC、サーバー |\n| RDIMM | 大容量サーバーメモリー |\n| LPDDR | スマートフォン、ノートPC、AIサーバー |\n| GDDR | GPU、グラフィックス |\n| HBM |","quote_start":0,"quote_end":124,"text_sha256":"f5ef744f97428f817c63642461cab0c0a4c4e47780322be2b5b18d270c82fd83","block_sha256":"f5ef744f97428f817c63642461cab0c0a4c4e47780322be2b5b18d270c82fd83","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_c150584d-81cc-4b9e-99ef-df0d1c0ff848"},{"id":"occ_854befe5c7a5def91a89a4b1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_c1e3f50d-8bfc-4a43-bd6a-67c8df756258","section_id":"sec_9043af78-0f72-43dd-a42f-2826aebb2073","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMとNANDは、需要が一直線に増える産業ではない。","quote_start":0,"quote_end":28,"text_sha256":"37e81ac97e352131bbc6c5a395b265f87e4e41faefa1e2d270ec41a1eeb3b186","block_sha256":"37e81ac97e352131bbc6c5a395b265f87e4e41faefa1e2d270ec41a1eeb3b186","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_c1e3f50d-8bfc-4a43-bd6a-67c8df756258"},{"id":"occ_4ffb0c6fc030c8cad0ef82ec","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_c6ad6fdc-5a98-47dd-9768-6b07b4a6a3ce","section_id":"sec_3e45625e-e667-4875-97a2-4af0d9204fea","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"```\nNANDフラッシュ\n＋ SSDコントローラー\n＋ DRAM\n＋ ファームウェア\n＋ 電源断保護\n＋ PCIe／NVMeインターフェース\n```","quote_start":0,"quote_end":75,"text_sha256":"3595c541cede1875003639516ec481808af49528fc4a1ba766d4a42ccce48e8f","block_sha256":"3595c541cede1875003639516ec481808af49528fc4a1ba766d4a42ccce48e8f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_c6ad6fdc-5a98-47dd-9768-6b07b4a6a3ce"},{"id":"occ_62154ac79ed4745550dfb073","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_c7193324-7a8e-4303-b686-b357d6531ed3","section_id":"sec_c01beedd-6c14-406f-a2bc-880836ca77d0","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":46,"end":51,"exact":"LPDDR","quote":"```\nCPU\n演算器\n ↓\nレジスタ\n ↓\nL1・L2・L3 SRAM\n ↓\nDDR / LPDDR\n ↓\nSSD\n\n\nGPU\n大量の並列演算器\n ↓\nレジスタ\n ↓\n共有メモリー・L1・L2 SRAM\n ↓\nHBM / GDDR\n ↓\nCPU側DRAM・SSD\n\n\nAI ASIC\n専用演算器\n ↓","quote_start":0,"quote_end":151,"text_sha256":"6f92f37f3e6f183bca55ad259987cba038834242cd863e85d9807cbc5d26553c","block_sha256":"6f92f37f3e6f183bca55ad259987cba038834242cd863e85d9807cbc5d26553c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_c7193324-7a8e-4303-b686-b357d6531ed3"},{"id":"occ_ef098be2903d33c8653c90a3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_cad620b3-580d-4123-bc5e-35596a3d13ec","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":21,"end":25,"exact":"DRAM","quote":"> **頻繁に使うデータをSRAMに残し、DRAMやHBMへアクセスする回数を減らす**","quote_start":0,"quote_end":44,"text_sha256":"759deb40033c6a35b0644d94fb99b60a6eb9ba6aa8fb090667332951c215a277","block_sha256":"759deb40033c6a35b0644d94fb99b60a6eb9ba6aa8fb090667332951c215a277","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_cad620b3-580d-4123-bc5e-35596a3d13ec"},{"id":"occ_198836b8608b49213ae0dfd3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_cdd9450f-a488-4d82-8167-59265f7efcaa","section_id":"sec_3e45625e-e667-4875-97a2-4af0d9204fea","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"実際、TrendForceは2026年第3四半期のエンタープライズSSDについて、SSD内部に使うDRAM不足が、一部の高性能製品の供給を制約していると指摘している。([TrendForce](https://www.trendforce.com/presscenter/news/20260703-131","quote_start":0,"quote_end":153,"text_sha256":"7124acb315fa3ec6bfb72478c78845d40349102798b9c442437519fba2c9e999","block_sha256":"7124acb315fa3ec6bfb72478c78845d40349102798b9c442437519fba2c9e999","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_cdd9450f-a488-4d82-8167-59265f7efcaa"},{"id":"occ_e9aa4e9986c3b38aa218ca4a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_ce5228e4-f0bb-4cf3-8fc0-1a44587b9320","section_id":"sec_7080e4fd-c9b5-4356-afd5-10b0d51a1fe7","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"- **SRAM**は演算器直近の超高速領域\n- **DRAM**はコンピューターの作業用メモリー\n- **HBM**はAI向けに超広帯域化したDRAM\n- **NAND**は電源を切っても残る保存用メモリー\n- **SSD**はNAND、DRAM、コントローラ","quote_start":0,"quote_end":131,"text_sha256":"5b42083d8a94a96967157eb23469bbf9bb2293beca134ef71d3292c6af7aa383","block_sha256":"5b42083d8a94a96967157eb23469bbf9bb2293beca134ef71d3292c6af7aa383","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_ce5228e4-f0bb-4cf3-8fc0-1a44587b9320"},{"id":"occ_0e9919327db185fa3af27c6f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_d8525a75-1790-453a-99a0-bf8c2700ccf2","section_id":"sec_0dc265ae-f101-48d7-9669-f2c37021df6b","layer":"body","character_id":null,"count":2,"matched_aliases":["LPDDR","LPDDR5X"],"evidence":{"text_basis":"markdown","start":27,"end":34,"exact":"LPDDR5X","quote":"Grace Hopperの例では、Grace CPUのLPDDR5XとHopper GPUのHBM3がメモリーコヒーレントに接続され、CPUとGPUが互いのメモリーへアクセスできる。GPUはHBMに入りきらないデータを、CPU側LPDDRから直接参照できる。([NVI","quote_start":0,"quote_end":134,"text_sha256":"b8d12e3ca277ff49fbc3d787ed60e907f241260a44cc43093bfaa60d3f780ff9","block_sha256":"b8d12e3ca277ff49fbc3d787ed60e907f241260a44cc43093bfaa60d3f780ff9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_d8525a75-1790-453a-99a0-bf8c2700ccf2"},{"id":"occ_12569e502ff633bd84142cf9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_deccdab8-af23-4ac3-abee-d556f6d1bbbf","section_id":"sec_700e109a-5cda-4075-bdb7-55f10002694f","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":56,"end":60,"exact":"DRAM","quote":"``\n演算器\n  ↑\nレジスタ\n  ↑\n小容量・超高速SRAM\n  ↑\n大容量・高帯域HBM\n  ↑\nホスト側DRAM\n  ↑\nSSD\n```","quote_start":1,"quote_end":72,"text_sha256":"e332631b266be7cd31dbb91c7e48c5956a284aff66e7a30c00aefb711a667a5a","block_sha256":"e332631b266be7cd31dbb91c7e48c5956a284aff66e7a30c00aefb711a667a5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_deccdab8-af23-4ac3-abee-d556f6d1bbbf"},{"id":"occ_5778cdc0e855ff8b68c57342","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_e00c9157-f859-4daa-9e89-951ffc140492","section_id":"sec_0dc265ae-f101-48d7-9669-f2c37021df6b","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":28,"end":33,"exact":"LPDDR","quote":"```\n高速・小容量\nGPU HBM\n   ↓\nCPU側LPDDR\n低速・大容量\n```","quote_start":0,"quote_end":44,"text_sha256":"ce5fc92ca2c2e7eebeaffaf059f4dd88059bdc217ee4a7477e322297df3abc52","block_sha256":"ce5fc92ca2c2e7eebeaffaf059f4dd88059bdc217ee4a7477e322297df3abc52","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_e00c9157-f859-4daa-9e89-951ffc140492"},{"id":"occ_e3ec563db4548c00f436b6fb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_e476d8a2-d89f-452a-b0e5-5247bd29022e","section_id":"sec_daa4bfbe-bc7d-4914-9c4a-44ae475a1880","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"## SRAMはDRAM不足を解決できるのか","quote_start":0,"quote_end":22,"text_sha256":"bacbcb1033b7126be03f4406b9fd74ad730f16c2d9c1bb3de16057e4076a65fd","block_sha256":"bacbcb1033b7126be03f4406b9fd74ad730f16c2d9c1bb3de16057e4076a65fd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_e476d8a2-d89f-452a-b0e5-5247bd29022e"},{"id":"occ_551c5cab0a99fb3f0a4526ca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_e55ff311-c4e7-49b5-b771-74cb81922748","section_id":"sec_7080e4fd-c9b5-4356-afd5-10b0d51a1fe7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"メモリーサイクルを読むときは、単にDRAMやNANDの価格を見るだけでは足りない。","quote_start":0,"quote_end":41,"text_sha256":"627eb8c1a3bd547d6f92098427fdacd2c7745e437387d6fc85acd04ea7a56a82","block_sha256":"627eb8c1a3bd547d6f92098427fdacd2c7745e437387d6fc85acd04ea7a56a82","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_e55ff311-c4e7-49b5-b771-74cb81922748"},{"id":"occ_7049c931c887fa2b0db55023","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_f364d162-050c-44a1-986c-f06628851dad","section_id":"sec_bbf2c093-0ee6-4101-81e6-d6c1f0521836","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"サーバーDRAMは依然として供給不足で、メーカーは引き続きAI・サーバー向けを優先している。([TrendForce](https://www.trendforce.com/presscenter/news/2026","quote_start":0,"quote_end":108,"text_sha256":"4019ef64375b44bafbb143fe75b9fa34751cfcb4e38eba421f72bacd053a423d","block_sha256":"4019ef64375b44bafbb143fe75b9fa34751cfcb4e38eba421f72bacd053a423d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_f364d162-050c-44a1-986c-f06628851dad"},{"id":"occ_f1f475adbe0ccf2098e6ba1d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_f5447352-9fc6-4012-ba51-a4c2c91e1a5f","section_id":"sec_4bb41e40-6890-43f0-8feb-e3cdab28a792","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"NANDは層数を増やし、DRAMは微細化することで、同じウェハーから得られるビット数を増やせる。","quote_start":0,"quote_end":48,"text_sha256":"e0cea51c9b5e5d5655e1e52ede27a365ae5d82753aa2982477a243f917d5312f","block_sha256":"e0cea51c9b5e5d5655e1e52ede27a365ae5d82753aa2982477a243f917d5312f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_f5447352-9fc6-4012-ba51-a4c2c91e1a5f"},{"id":"occ_2079c0b68d96dc387f9eb1a4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_f8038d6b-7229-41e5-860d-938f48664dc1","section_id":"sec_07e25edc-7a88-498a-90d8-24c1e67ec925","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"ただしHBMは、DRAMダイを作るだけでは完成しない。","quote_start":0,"quote_end":27,"text_sha256":"6bb4e2e0f4352a6d9348d937f98d738b8825bd9e66cc8f73929ff09bd407a1b2","block_sha256":"6bb4e2e0f4352a6d9348d937f98d738b8825bd9e66cc8f73929ff09bd407a1b2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_f8038d6b-7229-41e5-860d-938f48664dc1"},{"id":"occ_a9f3cc8aa3f59f4cae18019d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_44c73f5c-647d-467e-8aa2-527eb6352a8a","work_id":"wrk_45578dda-8dcf-452e-909d-3f4c17ea166c","block_id":"blk_fb46cd0e-84a7-44b0-ba9b-9e11b17665fe","section_id":"sec_a5e63ad5-86ce-4310-8f16-856351d776ee","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"## レジスタ、SRAM、HBM、DRAMとNVIDIA Grace Blackwellの関係","quote_start":0,"quote_end":47,"text_sha256":"fabc0b4962819342967c81d3c845544d03f98c680928a64bfab2f87974e09865","block_sha256":"fabc0b4962819342967c81d3c845544d03f98c680928a64bfab2f87974e09865","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_44c73f5c-647d-467e-8aa2-527eb6352a8a/#blk_fb46cd0e-84a7-44b0-ba9b-9e11b17665fe"},{"id":"occ_18caf727ab083f29c63c55e8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_127bec69-1fa3-45c3-83e6-48290233dcbc","section_id":"sec_8d8462de-aa9d-4536-bcb9-8a526668b56f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DRAM","quote":"Mや先端3Dパッケージでは、中心導体に銅が使われることが多い。SamsungのHBMも、TSVを利用して複数のDRAMダイを積層する構造を採用している。([Samsung Semiconductor Global](https://semiconductor.samsung.com/dram/hbm/?utm_sou","quote_start":6,"quote_end":165,"text_sha256":"70a09b0dccc4b4d4d3998d29aa2a2b5d1e6691d8c5a8b77a538f82969af24af1","block_sha256":"70a09b0dccc4b4d4d3998d29aa2a2b5d1e6691d8c5a8b77a538f82969af24af1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_127bec69-1fa3-45c3-83e6-48290233dcbc"},{"id":"occ_0dd6b1a8c11146f9856ae825","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_5772680d-75c8-47fe-9020-791bed75c435","section_id":"sec_c612333f-474c-4d2e-bf0d-9691756f9a89","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAMダイ\n│ │ │ TSV\n● ● ● マイクロバンプ\n────────\nDRAMダイ\n│ │ │ TSV\n● ● ●\n────────\nベースダイ\n```","quote_start":0,"quote_end":85,"text_sha256":"dfbaa6fe7c0d28864f811618e23d75a0c557f5769dc8453c002a8649680769fa","block_sha256":"dfbaa6fe7c0d28864f811618e23d75a0c557f5769dc8453c002a8649680769fa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_5772680d-75c8-47fe-9020-791bed75c435"},{"id":"occ_a7efca6785416937acd7107c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_9d41d5e4-9fa5-4c3a-b5e6-5eaf21711210","section_id":"sec_c612333f-474c-4d2e-bf0d-9691756f9a89","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"```\n上側DRAMセル・周辺回路\n          ↓\n         TSV\n          ↓\nマイクロバンプ\n          ↓\n次のDRAMダイ\n          ↓\nベースダイ\n        ","quote_start":0,"quote_end":110,"text_sha256":"1ff1616ec24551982bdbb0bda33ad5e33801777a97127e1418b4450b04ed81ca","block_sha256":"1ff1616ec24551982bdbb0bda33ad5e33801777a97127e1418b4450b04ed81ca","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_9d41d5e4-9fa5-4c3a-b5e6-5eaf21711210"},{"id":"occ_c3b5c719ad20b3f5dc9ab746","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_aa4be02a-23b0-495e-bd8b-b6b2788fd506","section_id":"sec_c612333f-474c-4d2e-bf0d-9691756f9a89","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBMでは複数のDRAMダイを上下に積み重ね、各層を多数の垂直配線で接続する。","quote_start":0,"quote_end":39,"text_sha256":"a2ca1cd87d41ab64faf3aa4141a08f97ad36ecb3bb814de6bc06dedf68edba3b","block_sha256":"a2ca1cd87d41ab64faf3aa4141a08f97ad36ecb3bb814de6bc06dedf68edba3b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_aa4be02a-23b0-495e-bd8b-b6b2788fd506"},{"id":"occ_ba248ead4ce5289725169d38","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4802c0fb-3eae-453b-96d2-1237f0009713","work_id":"wrk_02b6e758-a5fe-4b66-a620-6c322b16db7e","block_id":"blk_bc7fede6-febb-4dfa-a97c-1e153908b9c7","section_id":"sec_b1e51e98-9f17-4a07-a857-bed833ac1cf9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":415,"end":419,"exact":"DRAM","quote":"id Bondingはダイ境界面の接続技術である。\n- HBMでは、TSVとマイクロバンプを組み合わせて複数のDRAMダイを接続する。\n- 銅とシリコンの熱膨張差による応力のため、TSV周辺にKeep-Out Zoneを設ける場合がある。\n- 将来は、Nano-TSVが裏面電源供給や、より細かな3Dロジック統合へ利用","quote_start":360,"quote_end":519,"text_sha256":"3a5487509f8506a8bcb5d2989c26124ed5e20113537d484be6d9849f4ecb3eaa","block_sha256":"3a5487509f8506a8bcb5d2989c26124ed5e20113537d484be6d9849f4ecb3eaa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4802c0fb-3eae-453b-96d2-1237f0009713/#blk_bc7fede6-febb-4dfa-a97c-1e153908b9c7"},{"id":"occ_64b1288fbc2ee8867d809822","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_48a46dd8-5089-4a60-987b-dcda2b2ff37b","work_id":"wrk_e946941d-2715-4fb6-a635-d393a4db813b","block_id":"blk_72ab362a-1fda-4c9a-9087-0f045f633d50","section_id":"sec_f32f1dd0-fba8-4e26-b0ba-53227912bee5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"Server DRAM。","quote_start":0,"quote_end":12,"text_sha256":"3f2d91e4ac77ae977e2d599870f1e8c1c4ec7119743a836a36d8cb63719d5e03","block_sha256":"3f2d91e4ac77ae977e2d599870f1e8c1c4ec7119743a836a36d8cb63719d5e03","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_48a46dd8-5089-4a60-987b-dcda2b2ff37b/#blk_72ab362a-1fda-4c9a-9087-0f045f633d50"},{"id":"occ_2adcf65f5dc5310f4c9522db","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_063a8990-5d90-4b72-986f-5c2768658924","section_id":"sec_1dceb7d9-154d-40e7-85e3-7fddb2b90522","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"```\nHBMスタック\n────────────────\nDRAMダイ\nDRAMダイ\nDRAMダイ\nDRAMダイ\nベースダイ\n────────────────\nシリコンインターポーザ\n────────────────\nGPU / AI ASICと接続\n```","quote_start":0,"quote_end":129,"text_sha256":"d86f9137a4493d48708cc72d3ababbd80efcb011fa576a419753aa83d2b4afaa","block_sha256":"d86f9137a4493d48708cc72d3ababbd80efcb011fa576a419753aa83d2b4afaa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_063a8990-5d90-4b72-986f-5c2768658924"},{"id":"occ_84b665f0a2118a2b3513adbc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_0df785bd-76f6-4b89-a920-082572595e74","section_id":"sec_cb796489-050b-4194-ba97-652588f3630b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"HBMは、DRAMダイを縦に積み、TSVで接続した高帯域メモリである。","quote_start":0,"quote_end":35,"text_sha256":"636f57c4131e03467397a09497246a96de533849f009262bd020c879a5884e6a","block_sha256":"636f57c4131e03467397a09497246a96de533849f009262bd020c879a5884e6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_0df785bd-76f6-4b89-a920-082572595e74"},{"id":"occ_3143222fd6787e99d9ee6950","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_14e2af86-9ad4-444a-80ec-4fdebe3c0f42","section_id":"sec_022f7872-7378-4e09-880e-843283c9d19e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"ただし、HBFは現時点ではHBMの完全な代替ではない。  \nNANDである以上、DRAM/HBMと比べてレイテンシ、書き換え特性、ランダムアクセス、耐久性などで制約がある。","quote_start":0,"quote_end":86,"text_sha256":"10989e75957c85de0863bff0d7374b8f8512044e198b98c4774de97f48773b14","block_sha256":"10989e75957c85de0863bff0d7374b8f8512044e198b98c4774de97f48773b14","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_14e2af86-9ad4-444a-80ec-4fdebe3c0f42"},{"id":"occ_7af3a3f4e205dc2558cb0ff3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_1dc5b727-97dc-455e-b9de-61e1dc3589ff","section_id":"sec_2dd6da16-e6a1-476b-b481-665689c785fb","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":66,"end":70,"exact":"DRAM","quote":"高価\n────────────────\nSRAM：レジスタ / キャッシュ\n────────────────\nDRAM / HBM：主記憶\n────────────────\nHBF / XL-FLASH / CXL Memory / AI SSD：近接大容量記憶\n────────────────\nNAND SSD：ス","quote_start":11,"quote_end":170,"text_sha256":"84f483d96b53a56c67b8adec0feb9033253f9bcc6124951c71b64f1aa710bb2c","block_sha256":"84f483d96b53a56c67b8adec0feb9033253f9bcc6124951c71b64f1aa710bb2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_1dc5b727-97dc-455e-b9de-61e1dc3589ff"},{"id":"occ_fc652f5931acbccfbd38831a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_35673295-aa8b-4345-b5a9-e80df925bb54","section_id":"sec_088074ba-58ea-4a6a-b0bc-d1f4da428155","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":21,"end":25,"exact":"DRAM","quote":"SRAMは、データを「電荷」として保持するDRAMとは違い、フリップフロップ的な回路状態で保持する。そのため高速だが、1ビットあたりのトランジスタ数が多く、面積効率が悪い。","quote_start":0,"quote_end":86,"text_sha256":"9c40fc272ace86ddaaf2a6197fe73eeea8dfdab8a6ff861b7e13b847b7bc1e4a","block_sha256":"9c40fc272ace86ddaaf2a6197fe73eeea8dfdab8a6ff861b7e13b847b7bc1e4a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_35673295-aa8b-4345-b5a9-e80df925bb54"},{"id":"occ_da9e6defc8b9b605c8351f68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_6201a67d-3ef8-4e97-9c09-68da228ab087","section_id":"sec_0dc1ab94-d973-49ef-8cee-8429d0a1440d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"NANDはDRAMより遅い。  \nしかし、容量密度は非常に高く、コスト/bitが安い。","quote_start":0,"quote_end":43,"text_sha256":"fc7237436b9482b00ed298a0b748b169de10755b6899913f19657a358d5f7b33","block_sha256":"fc7237436b9482b00ed298a0b748b169de10755b6899913f19657a358d5f7b33","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_6201a67d-3ef8-4e97-9c09-68da228ab087"},{"id":"occ_325f27c6cc0dab00292fd6fd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_7dcdf64e-cb29-4dc3-a578-4d4d9a088336","section_id":"sec_1dceb7d9-154d-40e7-85e3-7fddb2b90522","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは、1トランジスタ＋1キャパシタで1ビットを保持するメモリである。SRAMより高密度だが、電荷が漏れるためリフレッシュが必要になる。","quote_start":0,"quote_end":70,"text_sha256":"83f1d7c93c85beefbc6fd0ed1a651d1524958fb35f9c4024b82a1e4d42a74d5a","block_sha256":"83f1d7c93c85beefbc6fd0ed1a651d1524958fb35f9c4024b82a1e4d42a74d5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_7dcdf64e-cb29-4dc3-a578-4d4d9a088336"},{"id":"occ_23ae5c6029ceaf4ae5449f02","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_b5c99e7d-68eb-4027-890e-ce5b6d6763ed","section_id":"sec_1dceb7d9-154d-40e7-85e3-7fddb2b90522","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAMとHBM","quote_start":0,"quote_end":11,"text_sha256":"200da12f7a979778c93592fadc52833e291b49e61d764df3b5a21de6fbe3f29c","block_sha256":"200da12f7a979778c93592fadc52833e291b49e61d764df3b5a21de6fbe3f29c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_b5c99e7d-68eb-4027-890e-ce5b6d6763ed"},{"id":"occ_d488b735e675a4c56978ca3b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_c1e9d5f6-38ae-46a4-b845-d073f27f5b6c","section_id":"sec_cb796489-050b-4194-ba97-652588f3630b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"必要技術は、DRAM微細化、TSV、薄化、積層、マイクロバンプ、熱管理、Known Good Dieテストである。","quote_start":0,"quote_end":57,"text_sha256":"8796f13b60b1c01b935ace50020b594323fb7706e2f4ab62eb31c732a49423fb","block_sha256":"8796f13b60b1c01b935ace50020b594323fb7706e2f4ab62eb31c732a49423fb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_c1e9d5f6-38ae-46a4-b845-d073f27f5b6c"},{"id":"occ_252567ba782d432f89befb5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_c3f3c799-3b5f-4219-838d-795df1506b31","section_id":"sec_cb796489-050b-4194-ba97-652588f3630b","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAMダイ\nDRAMダイ\nDRAMダイ\nベースダイ\nインターポーザ\n```","quote_start":0,"quote_end":42,"text_sha256":"b6077680d9335922eac714d6ffbedffb2d97044f5ec0612077380beb9ddb5a48","block_sha256":"b6077680d9335922eac714d6ffbedffb2d97044f5ec0612077380beb9ddb5a48","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_c3f3c799-3b5f-4219-838d-795df1506b31"},{"id":"occ_6ca88276e5038e69727a6de2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_e2fc5b57-22d8-49df-bea3-5f3532032f5e","section_id":"sec_2dd6da16-e6a1-476b-b481-665689c785fb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"## \\1. まずSRAM、DRAM、HBM、NANDの基本","quote_start":0,"quote_end":30,"text_sha256":"2bf0e2a24467b41055068c8e66a87362b466ceb2b8fbf729b5ef5dceab67cbed","block_sha256":"2bf0e2a24467b41055068c8e66a87362b466ceb2b8fbf729b5ef5dceab67cbed","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_e2fc5b57-22d8-49df-bea3-5f3532032f5e"},{"id":"occ_88268ff256819619fa5128a5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955","work_id":"wrk_cb25df93-468d-4abf-9350-ba1bcf0d3b49","block_id":"blk_fa8d5c2a-2636-483a-8dbd-f670e41a3032","section_id":"sec_1dceb7d9-154d-40e7-85e3-7fddb2b90522","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"HBMは、このDRAMダイを縦に積み、TSVで接続し、GPUの近くに置く高帯域メモリである。","quote_start":0,"quote_end":46,"text_sha256":"b3cf49b378a816da7c2be8d6908880f40c74114f14db0320d240c7c03776f0cd","block_sha256":"b3cf49b378a816da7c2be8d6908880f40c74114f14db0320d240c7c03776f0cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_49a8bdbd-8ee8-4c28-8af4-da1787c47955/#blk_fa8d5c2a-2636-483a-8dbd-f670e41a3032"},{"id":"occ_3b9f231f47afcf6f73ffe4e2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["3D 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ce","quote_start":0,"quote_end":120,"text_sha256":"b6531909db5dd1d9bc0f84ff9fab5b9b5764ff6c305ff0629e644292ae443c3c","block_sha256":"b6531909db5dd1d9bc0f84ff9fab5b9b5764ff6c305ff0629e644292ae443c3c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_18617965-470b-4169-8263-b2de9be35456"},{"id":"occ_823599fddf59ac1d00ab7cb9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_1f9909f2-284a-4a72-81b2-741c8dff1131","section_id":"sec_11e74dc5-ca44-4ea9-ad71-32ddc116c592","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"SK hynixは2026年のTSMC Technology Symposiumで「3D Stacked DRAM on Logic」を公開しました。これはDRAMをSoCなどのロジック半導体の真上へ直接積層し、I/O数を大幅に増やすことでlatency、power、space efficiencyを改善する構想","quote_start":0,"quote_end":157,"text_sha256":"4d9b6cf699c2ba403ef393ffca4059f1ecf9a9e5909a2d89366359a1434017f7","block_sha256":"4d9b6cf699c2ba403ef393ffca4059f1ecf9a9e5909a2d89366359a1434017f7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_1f9909f2-284a-4a72-81b2-741c8dff1131"},{"id":"occ_f4ca957010b53d743f828955","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_227ca8cc-90c8-4091-9781-da54e5cd9da4","section_id":"sec_fe81afc4-ea23-49d0-9fef-17c2633c8fe4","layer":"body","character_id":null,"count":1,"matched_aliases":["3D 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DRAM、Wafer-to-Wafer（W2W）、DRAM-on-Logic、ZAM、XBMといった新しいメモリアーキテクチャを理解する入口です。","quote_start":0,"quote_end":115,"text_sha256":"8c6583cfa10993a3166494c95582bef6d8a63616358e982233648c6b14116665","block_sha256":"8c6583cfa10993a3166494c95582bef6d8a63616358e982233648c6b14116665","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_5e235635-824d-4a82-a039-341558802e11"},{"id":"occ_b7c261cebb9c0699ad9eaa25","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_61a134e8-5d4f-46b7-82b1-a8e2bc252ade","section_id":"sec_a1fc700f-acee-4c57-84cc-5afde472f830","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"## 10．Cell/Logic Wafer分離——DRAM版CMOS-under-Array","quote_start":0,"quote_end":47,"text_sha256":"01c2093874e3be98e94e59ca5c3283f3aeaa7780925366bf8728e27c420805ff","block_sha256":"01c2093874e3be98e94e59ca5c3283f3aeaa7780925366bf8728e27c420805ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_61a134e8-5d4f-46b7-82b1-a8e2bc252ade"},{"id":"occ_c352a6a79619b4e4df496c52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_65c4be07-0df6-4220-a9f7-bdf35f329838","section_id":"sec_34774c43-ef98-4598-abbe-7a4e2cc0d99c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"「どれだけ小さいDRAMセルを作れるか」","quote_start":0,"quote_end":20,"text_sha256":"380e4cbff0ad85f563ab02c8426ab6fa7fc6f27dd3ac3d223373a8e621251056","block_sha256":"380e4cbff0ad85f563ab02c8426ab6fa7fc6f27dd3ac3d223373a8e621251056","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_65c4be07-0df6-4220-a9f7-bdf35f329838"},{"id":"occ_e6e12fdb25e5be4bb72f697c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_675face0-a0e6-4b24-8bdd-5ab9d2d3b135","section_id":"sec_fe81afc4-ea23-49d0-9fef-17c2633c8fe4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"と2枚を貼っただけならW2Wですが、DRAM 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(TrendForce)","quote_start":0,"quote_end":86,"text_sha256":"db7afb174905af6bb78b6c10344a804184d9e4b6622274b27eab3d1b2aac94f8","block_sha256":"db7afb174905af6bb78b6c10344a804184d9e4b6622274b27eab3d1b2aac94f8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_68594694-d096-4cf8-b010-feca627a19cb"},{"id":"occ_0749905f6c55d7625dc3e44f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_68e37676-3f28-4488-84e0-1e0731f80ee7","section_id":"sec_5e77cc3b-bb7c-4c2e-b773-b173498b64ad","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DDR5","quote":"DDR5 shortage↓DRAM ASP↓HBM scarcity 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architectureで強く、logicについてTSMCとの分業を深めています。","quote_start":0,"quote_end":61,"text_sha256":"7ce3ef75093ea36ef69fc33045fa67a0acd0912188fd23f6391146ea964a67d7","block_sha256":"7ce3ef75093ea36ef69fc33045fa67a0acd0912188fd23f6391146ea964a67d7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_f4c6d93b-31cf-4497-8fec-f26e4fa5f8be"},{"id":"occ_e05c0057b90b1f60b7069056","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_f4f77b62-5233-4996-8418-a72f61375db6","section_id":"sec_4e60bca0-ff82-4b14-8bdb-5a325e65fbfe","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":43,"end":47,"exact":"DRAM","quote":"この意味では「30%→13%問題」を最初に改善するのはZAMでもXBMでもなく、普通のDRAM node scalingです。","quote_start":0,"quote_end":63,"text_sha256":"9b74eacd2fb6a799a8aa34b9a6037e502a4e1f1e24d24dbcc86912a54a1d2518","block_sha256":"9b74eacd2fb6a799a8aa34b9a6037e502a4e1f1e24d24dbcc86912a54a1d2518","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_f4f77b62-5233-4996-8418-a72f61375db6"},{"id":"occ_2d2322645ae4b4b7ecd56bc2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_f55b4ebf-8a49-47a5-99d4-e2ad8456e69f","section_id":"sec_bcc5837a-1d23-4809-b6b4-8e9efd18be1a","layer":"body","character_id":null,"count":2,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":23,"exact":"3D DRAM","quote":"SK hynixは4F² VGと3D DRAMを「10nm level以下」の次世代platformとして公式roadmapへ載せていますが量産年を公表していません。SamsungもNRD-KでR&Dを進めていますが製品時期は未公表です。Micr","quote_start":0,"quote_end":123,"text_sha256":"e03ca48824751cc671c232cbd850add5c1e2745d48a0682729c09164e821d77b","block_sha256":"e03ca48824751cc671c232cbd850add5c1e2745d48a0682729c09164e821d77b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_f55b4ebf-8a49-47a5-99d4-e2ad8456e69f"},{"id":"occ_5913934007cfc57407666e29","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_f5b7da72-e71e-4c57-933b-f9c3d1dfb52a","section_id":"sec_89410003-bfd4-4499-9f3e-5fb954800b92","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":47,"end":51,"exact":"DRAM","quote":"結論から言えば、2030年代の競争は単純な「Samsung対SK hynix対Micron」のDRAM微細化競争ではなくなる可能性があります。","quote_start":0,"quote_end":71,"text_sha256":"f954c0355db3e18eb1005f96a626f84689317bfe842f2be8f685d486831ab0fd","block_sha256":"f954c0355db3e18eb1005f96a626f84689317bfe842f2be8f685d486831ab0fd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_f5b7da72-e71e-4c57-933b-f9c3d1dfb52a"},{"id":"occ_ff242d6fb12dd4fae77a2176","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_f85faddd-0c40-4f6d-b3f7-5e9e8d1d4342","section_id":"sec_4ff9f0ef-cf78-4596-835d-a7a0ab1d097a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":65,"end":69,"exact":"DRAM","quote":"ional Laboratoriesが2026年に公開したNGDB demonstratorでは、8枚の新しいDRAM architecture waferをbase wafer上へ垂直bondし、「via-in-one」と呼ばれる新しいvertical connectionで接続しています。","quote_start":10,"quote_end":157,"text_sha256":"ba54b4580bd5c4050ddadba4b7820c6c481e6150d1d076df6a541186a86cf235","block_sha256":"ba54b4580bd5c4050ddadba4b7820c6c481e6150d1d076df6a541186a86cf235","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_f85faddd-0c40-4f6d-b3f7-5e9e8d1d4342"},{"id":"occ_f51d31a455205c5fad6833b2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_fb411f17-559b-4b87-b768-181634a76eca","section_id":"sec_fe81afc4-ea23-49d0-9fef-17c2633c8fe4","layer":"body","character_id":null,"count":2,"matched_aliases":["3D DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":26,"exact":"3D DRAM","quote":"SK hynixは4F² VGとともに3D DRAMを将来DRAMの「main pillar」と明示しています。 (SK hynix Newsroom)","quote_start":0,"quote_end":76,"text_sha256":"5bde04805c473e5e5351ca7fc04105e763074bb30f1f697fa70d8a07c10ab993","block_sha256":"5bde04805c473e5e5351ca7fc04105e763074bb30f1f697fa70d8a07c10ab993","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_fb411f17-559b-4b87-b768-181634a76eca"},{"id":"occ_b434b8842bf902fda1ed4e8b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4b279499-0bae-4004-81f9-2ca2bb999ac5","work_id":"wrk_d22e5e28-8b9c-42fc-8499-924270d5334f","block_id":"blk_fc961c14-8732-47b1-b9b1-58b71efe85c3","section_id":"sec_d66a799b-366b-4269-85f9-c3724529f8e0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"「将来DRAMで初めて使う未知の技術」","quote_start":0,"quote_end":19,"text_sha256":"cfda0b3a1071519fd443cfc1d74dbc1d5cf94b420f2bd5dbfd6b5667942108cc","block_sha256":"cfda0b3a1071519fd443cfc1d74dbc1d5cf94b420f2bd5dbfd6b5667942108cc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4b279499-0bae-4004-81f9-2ca2bb999ac5/#blk_fc961c14-8732-47b1-b9b1-58b71efe85c3"},{"id":"occ_af76f3f2dcd542ca11e24d2d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4eb110b8-6300-4d37-befb-7de1200dd0be","work_id":"wrk_34d11714-0800-4643-88ea-3e7aabfd2897","block_id":"blk_5af7b36c-3ed1-425a-a4b9-b9dca34cbe3f","section_id":"sec_754e017b-fb31-47a9-b9a9-cfe3371063f7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":620,"end":624,"exact":"DRAM","quote":"っていないくてケーブルに搭載する頭脳の部分リタイマをやってる  \n  \nデータセンターにはCPUとかGPUとかDRAMとかSSDとかHDDでそれぞれ箱に分けられている","quote_start":565,"quote_end":648,"text_sha256":"ebebfb3186c67cd28af9d012d6ab7033e0dc68c950a5e56447ec1050ba36a5d2","block_sha256":"ebebfb3186c67cd28af9d012d6ab7033e0dc68c950a5e56447ec1050ba36a5d2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4eb110b8-6300-4d37-befb-7de1200dd0be/#blk_5af7b36c-3ed1-425a-a4b9-b9dca34cbe3f"},{"id":"occ_6dbf505cdd1998b166b73e9f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_4eb110b8-6300-4d37-befb-7de1200dd0be","work_id":"wrk_34d11714-0800-4643-88ea-3e7aabfd2897","block_id":"blk_aeb120b1-208c-4c6a-b643-518b52992753","section_id":"sec_754e017b-fb31-47a9-b9a9-cfe3371063f7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":546,"end":550,"exact":"DRAM","quote":"ーブルでされている  \nサーバーは2×2の4TPUでHostCPUがPCleでTPUと接続されていて、SSDやDRAMはDIMMで繋がれている  \n  \nNVIDIA GB200はsuperchipという構造を取っていてCPU一枚にGPUがサンドイッチして一つのchipのような構造を取っている  \n  \nGPU間接続","quote_start":491,"quote_end":650,"text_sha256":"7b35544ee6cb8040a99301ad420cac47f9f1044cf87722713f43c8656d121db1","block_sha256":"7b35544ee6cb8040a99301ad420cac47f9f1044cf87722713f43c8656d121db1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_4eb110b8-6300-4d37-befb-7de1200dd0be/#blk_aeb120b1-208c-4c6a-b643-518b52992753"},{"id":"occ_359d264da03415a9bdb052f9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_10f1d0da-4232-4b05-8e45-10aae98891ae","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"スマホSoCよりも、DRAM総面積の方が大きくなる場合すらある。","quote_start":0,"quote_end":32,"text_sha256":"048f80d981c49ba75f0f0f789542b91a4ac42071c62b84939155f554e60d42ec","block_sha256":"048f80d981c49ba75f0f0f789542b91a4ac42071c62b84939155f554e60d42ec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_10f1d0da-4232-4b05-8e45-10aae98891ae"},{"id":"occ_91d9c37dc062ae374f61c558","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_5b9afbe9-fed5-41f7-9982-30c0ae8a5436","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"その中で、低価格スマホが安くDRAMとNANDを確保できるのか。","quote_start":0,"quote_end":32,"text_sha256":"a89e5ed86ed7711b7476e905fa443305940f54293e2a2cbcc99afeb7aa9f01b2","block_sha256":"a89e5ed86ed7711b7476e905fa443305940f54293e2a2cbcc99afeb7aa9f01b2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_5b9afbe9-fed5-41f7-9982-30c0ae8a5436"},{"id":"occ_bb3d5423723d535ab9611a5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_5e4efa00-e175-439d-888e-a5ba8b90ca4f","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":52,"end":56,"exact":"DRAM","quote":"低価格スマホであっても、現代スマホとして成立させるには、一定水準以上の基板、電源、MLCC、ストレージ、DRAMが必要になる。","quote_start":0,"quote_end":63,"text_sha256":"55eb30862f5c0ee7f926a30425df77fe8563f97ebd361f5b62779838ad124987","block_sha256":"55eb30862f5c0ee7f926a30425df77fe8563f97ebd361f5b62779838ad124987","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_5e4efa00-e175-439d-888e-a5ba8b90ca4f"},{"id":"occ_b8d40e68f9196df4edb434e5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_699d299d-a270-4925-bf08-93a0f013b232","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"さらに問題は、DRAMだけではない。","quote_start":0,"quote_end":18,"text_sha256":"558115c37b858d1dc32828af9c6ec812788e109267da27ca5b31010a2a3ab7e1","block_sha256":"558115c37b858d1dc32828af9c6ec812788e109267da27ca5b31010a2a3ab7e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_699d299d-a270-4925-bf08-93a0f013b232"},{"id":"occ_35e6e05d01f1d8b3b226edfc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_7cf84717-3eb4-4b3d-b544-7ea9e8acf17d","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"スマホはただ電池で動いているのではない。  \nSoC、DRAM、NAND、カメラ、ディスプレイ、RF、充電回路、スピーカー、センサーに、それぞれ適切な電圧を供給しなければならない。  \n高性能化すればするほど、電源設計は複雑になる。  \n高速充電、発熱制御、AI","quote_start":0,"quote_end":131,"text_sha256":"9a71f3acc0b3d6eb580a927e0fe7cca4901846c7f62ea0628b48e03dcd6f8054","block_sha256":"9a71f3acc0b3d6eb580a927e0fe7cca4901846c7f62ea0628b48e03dcd6f8054","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_7cf84717-3eb4-4b3d-b544-7ea9e8acf17d"},{"id":"occ_2a85c3d0728c69a2f22c8e36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_7d8d03c0-cd49-4bda-b0c3-8ec45616e535","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"つまり、現代の「必要最低限スマホ」は、すでにDRAMとNANDを酷使している。","quote_start":0,"quote_end":39,"text_sha256":"5f60c46186aad4e31e44fb0b1342868c1c77ea3a786f0f5c0ba312c5c2052d5d","block_sha256":"5f60c46186aad4e31e44fb0b1342868c1c77ea3a786f0f5c0ba312c5c2052d5d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_7d8d03c0-cd49-4bda-b0c3-8ec45616e535"},{"id":"occ_05533e5c0ab48a99f9974535","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_8759b92e-ef0e-4fb9-8156-903ce485430e","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":95,"end":99,"exact":"DRAM","quote":"レイを落とすこともできる。  \n筐体を安くすることもできる。  \nしかし、最低限のスマホ体験を成立させるには、DRAM、NAND、電源、MLCC、基板を完全には削れない。","quote_start":40,"quote_end":125,"text_sha256":"6bd07c1a46835ab71f29a0bda637d02836b1062eb00757019a02c40eab6e5b5b","block_sha256":"6bd07c1a46835ab71f29a0bda637d02836b1062eb00757019a02c40eab6e5b5b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_8759b92e-ef0e-4fb9-8156-903ce485430e"},{"id":"occ_5401d658acecaf3fad69a084","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_88e83d72-bb6f-4e74-bf3d-9b40815f5d9b","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":78,"end":82,"exact":"DRAM","quote":"が使え、SNSが使え、ブラウザが使え、決済ができ、音楽が聴け、認証ができ、仕事もできる。  \nその裏には、安いDRAM、安いNAND、安い基板、安いMLCC、安い電源IC、巨大な中国製造、薄利大量販売があった。","quote_start":23,"quote_end":128,"text_sha256":"69c5ee628243d2d2f512bb96aac9d555a8d3710aaeabc433bc80b29764b0d5b3","block_sha256":"69c5ee628243d2d2f512bb96aac9d555a8d3710aaeabc433bc80b29764b0d5b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_88e83d72-bb6f-4e74-bf3d-9b40815f5d9b"},{"id":"occ_f403bc5a29a48c9ac11da6ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_91929880-9813-4b09-8841-689ac16a8af2","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"人件費で10ドル安くできても、DRAMとNANDが100ドル上がれば意味がない。  \n組立コストを5ドル削っても、MLCC、PMIC、PCBで20ドル上がれば意味がない。  \n広告収益で補っても、メモリがBOMの30〜40%、場合によって","quote_start":0,"quote_end":119,"text_sha256":"8dd96c44e4caa3d128722adebccc545cbcc60d77e19d7470b30a8c1365d9ae91","block_sha256":"8dd96c44e4caa3d128722adebccc545cbcc60d77e19d7470b30a8c1365d9ae91","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_91929880-9813-4b09-8841-689ac16a8af2"},{"id":"occ_c37f11712ed3cee28b73402a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_934278f2-6a20-4fd0-8b47-c5276267e1a4","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"AIデータセンターがHBMやDRAMを高値で吸い上げる。  \n企業SSDがNANDを吸い上げる。  \nAI PCもメモリを要求する。  \n車載、ロボット、産業機器、AI-RANもメモリを要求する。","quote_start":0,"quote_end":98,"text_sha256":"783d53b13ccaf2aad3b4243f7d22f8637f27697b6f4f397ba92b71c281dfd170","block_sha256":"783d53b13ccaf2aad3b4243f7d22f8637f27697b6f4f397ba92b71c281dfd170","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_934278f2-6a20-4fd0-8b47-c5276267e1a4"},{"id":"occ_9aae4eee501dd4a33d9bb00a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_9ce24f34-83f3-4c2e-a975-e745702ea6a3","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR5X"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMの面積で考えると、16Gb、つまり2GB相当のLPDDR5Xダイはおよそ36〜37mm²程度とされる。  \n8GBなら4枚で約147mm²。  \n12GBなら6枚で約220mm²。  \n16GBなら8","quote_start":0,"quote_end":104,"text_sha256":"e3453fb73b79654692145ecd194cdc094a2e8cbd95b39b47bb692e843a1eca78","block_sha256":"e3453fb73b79654692145ecd194cdc094a2e8cbd95b39b47bb692e843a1eca78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_9ce24f34-83f3-4c2e-a975-e745702ea6a3"},{"id":"occ_51ada1d7fc7a360b4ef18313","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_53605de4-06cc-4e0b-9bc9-21f393408c0a","work_id":"wrk_006833f6-f225-48d3-8754-46fe28d6bd8e","block_id":"blk_c321054b-0fa7-4e63-8051-62c7ccf48675","section_id":"sec_7c91db57-1adf-4ae2-ad6f-5ced1a9ebb9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"しかし、そのDRAMとNANDが高くなっている。","quote_start":0,"quote_end":24,"text_sha256":"cdb40f61addab26a9b0fb3520f296ea6598c754489ef7f87910152e1ad9169c4","block_sha256":"cdb40f61addab26a9b0fb3520f296ea6598c754489ef7f87910152e1ad9169c4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_53605de4-06cc-4e0b-9bc9-21f393408c0a/#blk_c321054b-0fa7-4e63-8051-62c7ccf48675"},{"id":"occ_5e365c13bdce219dac9286d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_07298711-f177-4857-a333-d3837574d9c4","section_id":"sec_b7c95e7a-f085-4dc2-8ed3-618dcdcbbf7d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"は171.5兆ウォン、営業利益は89.5兆ウォンだった。メモリ事業は過去最高水準となり、限られた能力をサーバーDRAM、HBM4、エンタープライズSSDなどへ優先配分した。会社は下期も供給増を進めるが、AI設備投資の拡大によって需給不足が続くと説明している。(Samsung Global 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Instruments、Siemens、Motorolaなど、かつてメモリを生産していた企業の多くも事業売却や撤退を選んだ。(Inves","quote_start":0,"quote_end":117,"text_sha256":"8fbc02ec70f58ea2896bea1f08fbbfa7e8ee0b33a268afccfda974c179d23e17","block_sha256":"8fbc02ec70f58ea2896bea1f08fbbfa7e8ee0b33a268afccfda974c179d23e17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_0f12b09f-e1b6-4dc1-b557-9bd013edb7e5"},{"id":"occ_713146e6bd483797995d0f36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_109b693e-08c8-43c5-ac4e-afa94469e04c","section_id":"sec_0e57d076-2e54-4017-bc0d-52c1a2b1d670","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"NANDセル一つ一つの応答速度がDRAM並みになるわけではない。","quote_start":0,"quote_end":32,"text_sha256":"8fda112221bbfc7c1864725077515ae981938ace0f15375f0fbc1c98ab796c40","block_sha256":"8fda112221bbfc7c1864725077515ae981938ace0f15375f0fbc1c98ab796c40","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_109b693e-08c8-43c5-ac4e-afa94469e04c"},{"id":"occ_87bfddca454660f09cd1005b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_125ca5a9-ce7e-4301-8c38-d7a610f42d62","section_id":"sec_09cece99-ed3f-46f9-a6f3-5af830c1b0a4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":32,"end":36,"exact":"DRAM","quote":"HBFはNANDであり、SOCAMM2はCPUの主記憶として使うDRAMである。","quote_start":0,"quote_end":40,"text_sha256":"1f17b3a5a9d56916d39c4acffc92913f037de7b38b815107d298b511c7a66f3d","block_sha256":"1f17b3a5a9d56916d39c4acffc92913f037de7b38b815107d298b511c7a66f3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_125ca5a9-ce7e-4301-8c38-d7a610f42d62"},{"id":"occ_c298d68075a335b6c80369fd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_12c2f07b-b3f3-4219-9b82-9cad73d0cf87","section_id":"sec_2f450d79-7ff7-4018-ab67-41d3a04342ff","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"したがってSOCAMM2の容量削減は、Rubin需要の弱さではなく、DRAMウエハーをどの製品・どの顧客へ配分するかという問題として理解すべきである。","quote_start":0,"quote_end":75,"text_sha256":"eec6a031494098c0d58d39a830193243d734aeb26292f027e5a742b48c5ae847","block_sha256":"eec6a031494098c0d58d39a830193243d734aeb26292f027e5a742b48c5ae847","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_12c2f07b-b3f3-4219-9b82-9cad73d0cf87"},{"id":"occ_2fbef6fc2ab130f37b3c3d7d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_1adf16f2-9afb-4202-b883-6acd0c4c0862","section_id":"sec_452f5f22-df6d-4141-94ba-493e69dbd751","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDR\nOS、実行中アプリ、NPU中間結果、KVキャッシュ","quote_start":0,"quote_end":31,"text_sha256":"feac0701acc63bbcc72200ac6185a69a8ec2293b8c9afe6ddeaf3895a3001b88","block_sha256":"feac0701acc63bbcc72200ac6185a69a8ec2293b8c9afe6ddeaf3895a3001b88","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_1adf16f2-9afb-4202-b883-6acd0c4c0862"},{"id":"occ_8b3d4e70e0765a244a3007f1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_1fabc0cd-3a8f-415d-b4f9-e92665e0bfcb","section_id":"sec_a1f200d8-bccc-4d32-a69c-c9c4a097e705","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"装置価格、建設費、人件費、材料費が上がっている。さらに、HBMは通常DRAMより多くの良品ダイ、TSV、積層、接合、検査、先端パッケージを必要とする。","quote_start":0,"quote_end":75,"text_sha256":"b751b333ad16e563ccb4aed1e177ae29b38ecee5196384ff0e9076086b16b9a5","block_sha256":"b751b333ad16e563ccb4aed1e177ae29b38ecee5196384ff0e9076086b16b9a5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_1fabc0cd-3a8f-415d-b4f9-e92665e0bfcb"},{"id":"occ_d2d1e21eab4cc574250f5112","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_221dc3cf-d03c-489b-ad0a-341fc91398d4","section_id":"sec_aab1c757-8b80-4bd0-9967-5a8e170bcd40","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":43,"end":48,"exact":"LPDDR","quote":"ロボット、自動車、工場、倉庫、建設、医療機器では、中央AIDCの学習需要と、現場機器のLPDDR・NAND需要が同時に増える。","quote_start":0,"quote_end":63,"text_sha256":"72fa3d304b0e1a65f854992caa0c1764c0cdebf3132257516bf1cd5cb26190de","block_sha256":"72fa3d304b0e1a65f854992caa0c1764c0cdebf3132257516bf1cd5cb26190de","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_221dc3cf-d03c-489b-ad0a-341fc91398d4"},{"id":"occ_9bfa14c2ebe810906dc17d87","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_27f53583-1cee-4e36-812d-a112ed3637b9","section_id":"sec_44f38d06-8611-47ce-9a5a-75671c7a562b","layer":"body","character_id":null,"count":2,"matched_aliases":["GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":44,"end":49,"exact":"LPDDR","quote":"製品寿命が長く、認証変更が難しいため、長期供給保証と相性がよい。車載AIが高度化すれば、LPDDR、GDDR、NAND、将来のHBF型製品が増える。","quote_start":0,"quote_end":74,"text_sha256":"eda728a645ab2b4d1c17c5819431b5364a3c97eb0c144a01168322d65ca1f4db","block_sha256":"eda728a645ab2b4d1c17c5819431b5364a3c97eb0c144a01168322d65ca1f4db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_27f53583-1cee-4e36-812d-a112ed3637b9"},{"id":"occ_d4f0f9fa042233e831dbbbc1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_30532bdc-7fd7-42fc-bb98-3fc860a8959a","section_id":"sec_65577095-f5ef-48ca-b808-b0b0ce8b7aaf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":103,"end":107,"exact":"DRAM","quote":"2027年度に販売ビットの約50％、2028年度に約3分の2 |\n| Micron | 2026～2030年のDRAM約20％、NAND約3分の1を契約済み |\n| SK hynix | 約10社の主要顧客と締結、比率非開示 |\n| Samsung | 長期的にメモリ売上高の60～70％をLTA化する構想 |\n| キ","quote_start":48,"quote_end":207,"text_sha256":"5b9cb68f4d4995a566f81f206825db70185c3d0c158b1035dfd982be6d50320d","block_sha256":"5b9cb68f4d4995a566f81f206825db70185c3d0c158b1035dfd982be6d50320d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_30532bdc-7fd7-42fc-bb98-3fc860a8959a"},{"id":"occ_17487c6afe8caa9e9b531cdc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_33983fb3-4ae6-461e-9d18-b1ee1db7da68","section_id":"sec_6d3ed103-9e85-401b-935d-5d5e82ca5ead","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"も並行して評価するようになった。最終仕様は未決定である。変更理由として、2027年のDRAM供給不足、HBM4Eの認証時期、12-Hi品の歩留まり立ち上げが挙げられている。(TrendForce)","quote_start":0,"quote_end":98,"text_sha256":"252633fee5ada4e3853ff4fa4fe4b7fd60cb18d5086231f6e08c99a1f0eb2409","block_sha256":"252633fee5ada4e3853ff4fa4fe4b7fd60cb18d5086231f6e08c99a1f0eb2409","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_33983fb3-4ae6-461e-9d18-b1ee1db7da68"},{"id":"occ_2f8bd33cf59a50ca26ba9a19","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_33f6808c-7777-4d7a-a087-22e172cd7e68","section_id":"sec_d3cf3df9-a0eb-4c98-ab2e-132ec66eb542","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"SK hynix製DRAMはある\nしかしSK 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| 1スタック2.8TB/s超 | 世代・構成依存 | 2048bitバス | 極めて高い |\n| GDDR7 | 384bit構成で1.5TB/s超 | 数十GB | GPU向け、高帯域 | 高い |\n| LPDDR5X | 1ピン当たり最大10.7Gbps | 最大32GB級パッケージ | 低消費電力 |","quote_start":122,"quote_end":282,"text_sha256":"c07e822f1c34e5a0cc68b3caefeb727d0a25f67599affa1698c2d1aa3b799fb2","block_sha256":"c07e822f1c34e5a0cc68b3caefeb727d0a25f67599affa1698c2d1aa3b799fb2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_7d656d0d-2b8a-4603-becb-afff748bd869"},{"id":"occ_4b52b8f15bd71cd3e175fceb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_8b5e83e5-0f5a-4c73-b5bc-7ed206a1c748","section_id":"sec_8de1598f-a50a-4440-b6a7-7a0503898d23","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":146,"end":151,"exact":"LPDDR","quote":"クセラレーター、AIDC | スマホ、AI PC、ロボット、エッジ |\n| 位置 | HBMとSSDの間 | LPDDRとUFSの間 |\n| 容量・帯域 | 最大512GB、0.4～3.0TB/s案 | 未公表 |\n| 接続 | UCIeを想定 | 未公表 |\n| 現状 | 標準仕様を策定中 | 技術コンセプト段階 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NANDウエハー価格が約19.18ドルだった。単純計算では原材料段階で約0.30ドル/GBとなる。一方、DDR5 16Gbは1個約50.93ドル、GDDR6 8Gbは約11.61ドルだった。容量換算すると、DDR5は約25.5ドル/GB、GDDR6は約11.6ドル/GBとなる。(TrendForce)","quote_start":36,"quote_end":190,"text_sha256":"52e939e07ac67013b914fe72781da1ead0bfe5112f46d49bb7198139536b0e6b","block_sha256":"52e939e07ac67013b914fe72781da1ead0bfe5112f46d49bb7198139536b0e6b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_974a6433-0b9d-449b-91e5-0eae30d08435"},{"id":"occ_5e54eefcf4405cc47cff6234","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_9ff14983-99a8-4402-95ae-80066fddd2f8","section_id":"sec_2f450d79-7ff7-4018-ab67-41d3a04342ff","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"単純化して、同じモジュール数、同じDRAM世代を使うと仮定する。","quote_start":0,"quote_end":32,"text_sha256":"62fa581ed4a66fa6692a171b0b403206163bfc173801ebe2b2edb5f01467594b","block_sha256":"62fa581ed4a66fa6692a171b0b403206163bfc173801ebe2b2edb5f01467594b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_9ff14983-99a8-4402-95ae-80066fddd2f8"},{"id":"occ_5d1b92392cf80d29b8ca8365","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_a010038b-3105-44c3-b68c-6ac91a4b5b28","section_id":"sec_d3cf3df9-a0eb-4c98-ab2e-132ec66eb542","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"WMCMで裸のDRAMダイをRDLへ直接組み込む場合、Samsung、SK hynix、Micronで、","quote_start":0,"quote_end":52,"text_sha256":"cb8218726201539ce3c3ae2203ba01e4e0b9ff984c7d0528048adf1e58926411","block_sha256":"cb8218726201539ce3c3ae2203ba01e4e0b9ff984c7d0528048adf1e58926411","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_a010038b-3105-44c3-b68c-6ac91a4b5b28"},{"id":"occ_b6b64b44da9b222e188c213d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_a728b8e1-ce5b-4881-a627-f2987ab275e1","section_id":"sec_989c3543-3b0b-4ee7-acfb-6db5df985897","layer":"body","character_id":null,"count":4,"matched_aliases":["DRAM","GDDR7","LPDDR5X"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"LPDDR5X","quote":"LPDDR5X、HBM3E、HBM4、GDDR7の公表値を見ると、DRAMは細かなアクセスと頻繁な書き換えに強く、高帯域を低遅延で供給できる。一方HBFは、同程度の総帯域を狙えても、アクセスの性質はNANDであり、","quote_start":0,"quote_end":107,"text_sha256":"5fdf028cf379dd7068672d6c30f0dbfa285a6679b2a66e6472116d8efe13c71b","block_sha256":"5fdf028cf379dd7068672d6c30f0dbfa285a6679b2a66e6472116d8efe13c71b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_a728b8e1-ce5b-4881-a627-f2987ab275e1"},{"id":"occ_4b3fb52aaab75ae4ec76ae42","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_aad5d9f7-b080-4f7c-90a8-6eddabf38ad0","section_id":"sec_d3cf3df9-a0eb-4c98-ab2e-132ec66eb542","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":13,"end":18,"exact":"LPDDR","quote":"従来のPoPでは、完成したLPDDRパッケージをSoCの上に重ねる。複数メーカーを認証しておけば、外部端子仕様を合わせることで比較的切り替えやすい。","quote_start":0,"quote_end":74,"text_sha256":"5f9aef85d9c037e633103c769a29ea0bc52a05ce5766f7f735a0b0ab71ebea70","block_sha256":"5f9aef85d9c037e633103c769a29ea0bc52a05ce5766f7f735a0b0ab71ebea70","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_aad5d9f7-b080-4f7c-90a8-6eddabf38ad0"},{"id":"occ_391d7150eaf3ed0de0cf8b13","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_ad22812f-107e-4f43-b6b3-2049c7bc8f9d","section_id":"sec_d3cf3df9-a0eb-4c98-ab2e-132ec66eb542","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":73,"end":77,"exact":"DRAM","quote":"度売上高の20.4％を占める巨大顧客であり、資金力と購入量では非常に強い。一方、WMCMが深く統合されるほど、DRAM供給会社とTSMCパッケージ能力を早い段階で固定しなければならない。(Kioxia Holdings)","quote_start":18,"quote_end":128,"text_sha256":"21da3b8963a8d38c581c03f25a532655d82adacb671f452adecfb51d719ec4f2","block_sha256":"21da3b8963a8d38c581c03f25a532655d82adacb671f452adecfb51d719ec4f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_ad22812f-107e-4f43-b6b3-2049c7bc8f9d"},{"id":"occ_13833b041112d173d041de5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_ad467d64-73db-4098-b9f8-8abc76bd6119","section_id":"sec_989c3543-3b0b-4ee7-acfb-6db5df985897","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"それでも、NANDを高性能化しても、DRAMより大容量を安く提供できる余地が非常に大きいことは分かる。","quote_start":0,"quote_end":51,"text_sha256":"5bf8a1e97c96e64643f1fb814e496841b57363e57d17d49375b479f96af7baf5","block_sha256":"5bf8a1e97c96e64643f1fb814e496841b57363e57d17d49375b479f96af7baf5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_ad467d64-73db-4098-b9f8-8abc76bd6119"},{"id":"occ_eec1380dcebcb594c365936b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_b072eb56-61be-406c-b191-9ad4326642ef","section_id":"sec_6d3ed103-9e85-401b-935d-5d5e82ca5ead","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":14,"end":21,"exact":"LPDDR5X","quote":"またTrendForceは、LPDDR5X不足を理由にNVIDIAがVera RubinのSOCAMM容量を半減させたとも報じている。2027年のHBMビット出荷量は前年比50～60％増える見込みだが、それでも需要増加には追いつかないという。","quote_start":0,"quote_end":121,"text_sha256":"d46da40ec6c267741559fa3517c6824b10cf4c53480f1f18d3c4affd9e111d2c","block_sha256":"d46da40ec6c267741559fa3517c6824b10cf4c53480f1f18d3c4affd9e111d2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_b072eb56-61be-406c-b191-9ad4326642ef"},{"id":"occ_09da682487d5d1a6ca4ac3ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_b3294112-f003-4f39-a61c-1760d61ffa10","section_id":"sec_44f38d06-8611-47ce-9a5a-75671c7a562b","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDR、UFS、zNAND-O、クライアントSSDが必要になる。販売変動が大きいため、5年固定数量より1～3年の容量予約、価格レンジ、最低購入量が中心になりやすい。","quote_start":0,"quote_end":84,"text_sha256":"2fdb9f7e27bcc572af909e24462f225e4175a745242b21a262482c488c62fd2c","block_sha256":"2fdb9f7e27bcc572af909e24462f225e4175a745242b21a262482c488c62fd2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_b3294112-f003-4f39-a61c-1760d61ffa10"},{"id":"occ_6505db2c87824f4124b43e4b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_b7cb834f-8b11-4a9a-aa7c-bb04c4825770","section_id":"sec_65577095-f5ef-48ca-b808-b0b0ce8b7aaf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":43,"end":47,"exact":"DRAM","quote":"Micronが公表した16件の戦略契約は、通常5年間で2026～2030年を対象とし、DRAM数量の約20％、NAND数量の約3分の1をカバーする。多くは具体的な数量を定めたtake-or-payで、大型契約には価格下限と上限がある。(Micron Technology)","quote_start":0,"quote_end":136,"text_sha256":"d207011be76ec7cd49a5648894777ed9f32727f45ba8da8f79cc085d68131d32","block_sha256":"d207011be76ec7cd49a5648894777ed9f32727f45ba8da8f79cc085d68131d32","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_b7cb834f-8b11-4a9a-aa7c-bb04c4825770"},{"id":"occ_9012c9367582f1d7426190a5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_bc4992df-ff63-4ffe-a369-7473f7cacd21","section_id":"sec_614e9abd-9036-43fe-a97e-94abc9778092","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"エルピーダは技術力を持ちながらも、DRAM価格下落、巨額設備投資、為替、負債負担に耐えられず2012年に会社更生法を申請し、2013年にMicronへ買収された。(El País)","quote_start":0,"quote_end":90,"text_sha256":"179c93e7b0aece541d70d4948eb3dc635ef5f97a422a0bb4f63c0c1cf669fbd3","block_sha256":"179c93e7b0aece541d70d4948eb3dc635ef5f97a422a0bb4f63c0c1cf669fbd3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_bc4992df-ff63-4ffe-a369-7473f7cacd21"},{"id":"occ_ace626a32a760e43dd9c5a5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_c007adaa-7b47-4b8a-afc4-37dcaed10284","section_id":"sec_b9da4f2d-530d-4f97-a1ec-76202e0cc11a","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":30,"end":35,"exact":"LPDDR","quote":"Rubin Ultraのメモリ構成削減は、短期的にはHBMやLPDDRの1システム当たり搭載量を減らすため、表面的には弱気に見える。","quote_start":0,"quote_end":66,"text_sha256":"12ba908e6836892c54f9155b78799f60cce8610f2e8d3685f5662d46b52e8001","block_sha256":"12ba908e6836892c54f9155b78799f60cce8610f2e8d3685f5662d46b52e8001","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_c007adaa-7b47-4b8a-afc4-37dcaed10284"},{"id":"occ_ee45baeb101589f9b9be5886","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_c35c646e-d203-4c5e-a818-a27e94147974","section_id":"sec_452f5f22-df6d-4141-94ba-493e69dbd751","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":9,"end":14,"exact":"LPDDR","quote":"作業メモリとしてのLPDDRは高過ぎる","quote_start":0,"quote_end":19,"text_sha256":"76a0a3abd407806b89faff199244aee5fcc982ac0e389944531e3f30267cb5fe","block_sha256":"76a0a3abd407806b89faff199244aee5fcc982ac0e389944531e3f30267cb5fe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_c35c646e-d203-4c5e-a818-a27e94147974"},{"id":"occ_d0aec31c383e5940392e1bf0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_c53e34f4-a577-4c56-8534-86aedf2fcfb3","section_id":"sec_2f450d79-7ff7-4018-ab67-41d3a04342ff","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":11,"end":18,"exact":"LPDDR5X","quote":"SOCAMM2は高密度LPDDR5Xを大量に使用する。","quote_start":0,"quote_end":27,"text_sha256":"17c6573c1af494abde98bb3fd20b07ebeb1caf3904b8ab3be8865dd03265999d","block_sha256":"17c6573c1af494abde98bb3fd20b07ebeb1caf3904b8ab3be8865dd03265999d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_c53e34f4-a577-4c56-8534-86aedf2fcfb3"},{"id":"occ_ec4998bccfac0944d7b91d38","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_c5e9868d-c9d1-4df1-9161-62a6b35cd482","section_id":"sec_452f5f22-df6d-4141-94ba-493e69dbd751","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDR 16GB\n＋zNAND-O 64～128GB\n＋UFS 512GB～1TB","quote_start":0,"quote_end":43,"text_sha256":"b29e5b7bfba0a82f0f03029187c12c9bdf01a34614ddbfda64bc6a4ac3a911f2","block_sha256":"b29e5b7bfba0a82f0f03029187c12c9bdf01a34614ddbfda64bc6a4ac3a911f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_c5e9868d-c9d1-4df1-9161-62a6b35cd482"},{"id":"occ_ed9a978482192d76d0328b6d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_c9507434-c8a2-4995-8de0-9aab7786c3ed","section_id":"sec_57a82721-14c0-44fc-a0a7-42f7f64a4e00","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":27,"end":32,"exact":"LPDDR","quote":"光接続によってHBMが不要になったのではない。HBM・LPDDR系メモリの供給がNVIDIAの希望数量に追いつかず、少ないメモリをより多くのGPUへ配分するため、光接続、巨大NVLinkドメイン、階層メモリを使わざるを得なくなっている可能性が高い。","quote_start":0,"quote_end":124,"text_sha256":"5a7c23d8067db3492c37546c54c5f22fec9fc3babc958480fc55469c711ee59a","block_sha256":"5a7c23d8067db3492c37546c54c5f22fec9fc3babc958480fc55469c711ee59a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_c9507434-c8a2-4995-8de0-9aab7786c3ed"},{"id":"occ_dad57bccab47055d538a317c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_ca932f3f-a5eb-4325-85a9-58519a03db55","section_id":"sec_50f264bb-1b3e-4566-90ca-feee5c2d1bbf","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":54,"end":58,"exact":"DRAM","quote":"HBMの売上高は増えても、同じウエハーから得られる販売ビットは減りやすい。そのためCAPEXが増えても、汎用DRAMやLPDDRの不足が解消しない。","quote_start":0,"quote_end":74,"text_sha256":"2f8cf2c7a6d0dd3cca4cb48793bfcd3537b803cffe3f5d48b77e31dc84a62b5f","block_sha256":"2f8cf2c7a6d0dd3cca4cb48793bfcd3537b803cffe3f5d48b77e31dc84a62b5f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_ca932f3f-a5eb-4325-85a9-58519a03db55"},{"id":"occ_8856d0efd428aab0a09aa33f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_d3d67562-f143-434c-a799-d31713a374ec","section_id":"sec_452f5f22-df6d-4141-94ba-493e69dbd751","layer":"body","character_id":null,"count":2,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":2,"end":7,"exact":"LPDDR","quote":"本来LPDDR 24GBになる端末\n　　　　↓\nLPDDR 12～16GB＋zNAND-O 128～256GB","quote_start":0,"quote_end":55,"text_sha256":"e983fc25ecfe057b70f6ac680983c13c0fd94e388e8c14ad077881e7a60741a9","block_sha256":"e983fc25ecfe057b70f6ac680983c13c0fd94e388e8c14ad077881e7a60741a9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_d3d67562-f143-434c-a799-d31713a374ec"},{"id":"occ_70375f17b39cce8488ac93f2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_d802e550-a687-4ee4-b99b-e16972e09673","section_id":"sec_09cece99-ed3f-46f9-a6f3-5af830c1b0a4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":60,"end":64,"exact":"DRAM","quote":"単位が異なるため単純比較はできないが、HBFはローカルHBMの全帯域を置き換えるものではない。加えてNANDはDRAMよりアクセス遅延が長く、細かなランダム書き込みや頻繁な更新にも向かない。(SK hynix 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hynix Newsroom)","quote_start":17,"quote_end":144,"text_sha256":"2af7860a5387657680c758c00a5e82be7bccc496cf8fab5761f1417c2a43c281","block_sha256":"2af7860a5387657680c758c00a5e82be7bccc496cf8fab5761f1417c2a43c281","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_df86fd9e-1209-41ef-866c-a8945af3d6b6"},{"id":"occ_53e0aef783dfa4dbf563d400","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_e0376688-147f-4ce5-a062-f616dcdf8511","section_id":"sec_b1fcf82a-6d36-4dfc-bcd7-358d8790c8dc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"TrendForceは、Rubin UltraのHBM構成見直しについて、主な原因をDRAM供給不足とHBM4Eの量産・認証リスクだとしている。","quote_start":0,"quote_end":72,"text_sha256":"bc913cda3074d02eef58e1b46537073c0cecb293e7d1b052701a4be48e28b335","block_sha256":"bc913cda3074d02eef58e1b46537073c0cecb293e7d1b052701a4be48e28b335","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_e0376688-147f-4ce5-a062-f616dcdf8511"},{"id":"occ_b25ab683fc4b80049b324385","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_e0bc709e-7c4f-4e1b-9fc9-b40012d17cc2","section_id":"sec_989c3543-3b0b-4ee7-acfb-6db5df985897","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDRの長期契約価格ではない","quote_start":0,"quote_end":16,"text_sha256":"373bfc60228dfa1f2140274e63b50bda5888dd66aa9dca65c5bd7435121ab02e","block_sha256":"373bfc60228dfa1f2140274e63b50bda5888dd66aa9dca65c5bd7435121ab02e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_e0bc709e-7c4f-4e1b-9fc9-b40012d17cc2"},{"id":"occ_78a76bfe95aa12b07459d502","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_e3d89eda-8b16-4060-b82d-f759e8f81e51","section_id":"sec_aab1c757-8b80-4bd0-9967-5a8e170bcd40","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"高価なDRAMだけでは成立しなかった大容量AI機器が、安価な中間メモリによって商業化できる。","quote_start":0,"quote_end":46,"text_sha256":"283605059fd62f683958b6a174f923f6f9efa3ba9034e0ea5dea38ae3ad4e838","block_sha256":"283605059fd62f683958b6a174f923f6f9efa3ba9034e0ea5dea38ae3ad4e838","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_e3d89eda-8b16-4060-b82d-f759e8f81e51"},{"id":"occ_74f5f957eff1db7bbdc064af","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_e6e66e68-5009-4079-9992-009d7d9508e4","section_id":"sec_452f5f22-df6d-4141-94ba-493e69dbd751","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":23,"end":30,"exact":"LPDDR5X","quote":"TrendForceは、2026年第2四半期のLPDDR5X価格が前四半期比78～83％上昇すると予測し、高級スマートフォンでも16GB構成が減って12GBが中心になり、中価格帯では8GB、低価格帯では4GBへの縮小が進むとみている。(TrendForce)","quote_start":0,"quote_end":129,"text_sha256":"fd4455743387154841dc837385aeb77a66453cb7a2afa76b93525a780be9590b","block_sha256":"fd4455743387154841dc837385aeb77a66453cb7a2afa76b93525a780be9590b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_e6e66e68-5009-4079-9992-009d7d9508e4"},{"id":"occ_cae93d66fd9b8db2fdfb2330","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_ec2ce9d2-0c5c-46eb-8199-b52d6ce99edf","section_id":"sec_b9da4f2d-530d-4f97-a1ec-76202e0cc11a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM・HBM側","quote_start":0,"quote_end":9,"text_sha256":"d6a4983cba3cdf21f3d660b3c306dc98e875786e75c6b8a7a73cdf306cbe846d","block_sha256":"d6a4983cba3cdf21f3d660b3c306dc98e875786e75c6b8a7a73cdf306cbe846d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_ec2ce9d2-0c5c-46eb-8199-b52d6ce99edf"},{"id":"occ_d0a67303dd638d9a47700b9e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_f3aec571-15ca-4c79-9ae9-c0d2601e1dfb","section_id":"sec_523707f5-1ca4-4752-9eca-73e42a944565","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"TrendForceは、DRAMについては2027年も構造的な逼迫が続く一方、NANDは新能力の立ち上がりと民生需要次第で2027年後半から緩む可能性を示している。したがって、DRAM、HBM、企業向けSSD、汎用NANDを同じサイ","quote_start":0,"quote_end":116,"text_sha256":"4b75a7daf906929ed00f02386769de7d19f5a921a731b2ee9ab91f36441f55ae","block_sha256":"4b75a7daf906929ed00f02386769de7d19f5a921a731b2ee9ab91f36441f55ae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_f3aec571-15ca-4c79-9ae9-c0d2601e1dfb"},{"id":"occ_46efa9ed682e83a5929a0cc7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_f3c8f0bf-eb5c-439d-81c2-c2593ee25a36","section_id":"sec_1c188503-b133-4fe5-9c99-1a23bc03e426","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":101,"end":105,"exact":"DRAM","quote":"減、契約更新の弱化、前払い減少、世代移行の延期が先行指標になり得る。\n- 供給不足時でも、製品構成を誤れば汎用DRAMやNANDの一部だけが余る可能性がある。","quote_start":46,"quote_end":125,"text_sha256":"7213129a02a0c8adff235a3c119593897dc383b8ba17f1390b04d25b55b8f752","block_sha256":"7213129a02a0c8adff235a3c119593897dc383b8ba17f1390b04d25b55b8f752","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_f3c8f0bf-eb5c-439d-81c2-c2593ee25a36"},{"id":"occ_acb69270f880c0e26e149956","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_f7d3bb92-f1be-4e96-8eb5-81a3854c5808","section_id":"sec_50f264bb-1b3e-4566-90ca-feee5c2d1bbf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"通常DRAMラインをHBMへ切り替える間は、装置の改造、工程認証、歩留まり調整が必要になる。","quote_start":0,"quote_end":46,"text_sha256":"47e69b2cc16d32b2fc158c832dfd6f7a68f0ddbeff18d20df045f199ecb455c3","block_sha256":"47e69b2cc16d32b2fc158c832dfd6f7a68f0ddbeff18d20df045f199ecb455c3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_f7d3bb92-f1be-4e96-8eb5-81a3854c5808"},{"id":"occ_61589bea4c083e67d2cda962","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5387a515-478b-41ca-82a3-5b54af988fd1","work_id":"wrk_41cc4908-f3de-420c-9823-faa2e85483cd","block_id":"blk_f8ea75f5-d886-4cca-b511-6fe49e3adcc9","section_id":"sec_2f450d79-7ff7-4018-ab67-41d3a04342ff","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":14,"end":21,"exact":"LPDDR5X","quote":"Vera CPUに接続されるLPDDR5Xベースのサーバー用メモリであり、CPU側の大容量・低消費電力メモリとして、","quote_start":0,"quote_end":58,"text_sha256":"ff513d39ef6bccff495e1aaf3b7360d86b365e6db1b666b99defe9ca3597b187","block_sha256":"ff513d39ef6bccff495e1aaf3b7360d86b365e6db1b666b99defe9ca3597b187","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5387a515-478b-41ca-82a3-5b54af988fd1/#blk_f8ea75f5-d886-4cca-b511-6fe49e3adcc9"},{"id":"occ_bf156ad83e14542487c6239a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_0c6c72d9-b734-4d8d-b3ad-67e6fbaa5db3","section_id":"sec_005c45b9-7755-4e84-8af2-a8900c269aef","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"**HBM/DRAM**  \n→ **メモリ回路屋 + レイアウト屋** が主役  \n→ **HBMだけ SI/PI屋 も主役級** ([synopsys.com](https://www.synopsys.com/me","quote_start":0,"quote_end":110,"text_sha256":"49139ea712ac6f117fca838868d9d9fdcc21371ae2716c5a4115d1d2bb8c871e","block_sha256":"49139ea712ac6f117fca838868d9d9fdcc21371ae2716c5a4115d1d2bb8c871e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_0c6c72d9-b734-4d8d-b3ad-67e6fbaa5db3"},{"id":"occ_eabb6f0c6b965af7104ab7d3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_1b07536e-d7db-4b55-8c26-93b1a76f0b68","section_id":"sec_a15a81ef-6b01-4032-846d-3a1a9ae4911b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":62,"end":66,"exact":"DRAM","quote":"　★★★★★  \n**検証屋**　★★★☆☆  \n**レイアウト屋**　★★★★★  \n**SI/PI屋**　DRAM: ★★☆☆☆ / HBM: ★★★★★","quote_start":7,"quote_end":86,"text_sha256":"9cd8e2b1d2325cb3240beaeafe819bbc9da9ff0b5de242929a835928913e9ae8","block_sha256":"9cd8e2b1d2325cb3240beaeafe819bbc9da9ff0b5de242929a835928913e9ae8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_1b07536e-d7db-4b55-8c26-93b1a76f0b68"},{"id":"occ_59e41e5e025347204c048840","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_1b36909d-3687-4ace-85bb-7c487b1e11ee","section_id":"sec_935e972d-6492-4525-996e-3aa0ef30efdb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"**HBM/DRAM**  \n→ **メモリアレイ設計 + カスタム/アナログ + 3D/先端パッケージEDA** が重いです。 ([Synopsys](https://www.synopsys.com/implemen","quote_start":0,"quote_end":110,"text_sha256":"322596ec024c3ee627ff9caaafc81daeb3400bd45c9e9ef16d5a09e16f5c3b6c","block_sha256":"322596ec024c3ee627ff9caaafc81daeb3400bd45c9e9ef16d5a09e16f5c3b6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_1b36909d-3687-4ace-85bb-7c487b1e11ee"},{"id":"occ_6ff3153e1b2dc8dd2a865ad3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_403510ae-0607-4213-8aae-0ea782887037","section_id":"sec_21ddf1c6-09b2-45ad-917e-3acd651b870e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":35,"end":39,"exact":"DRAM","quote":"**2番目にお金が落ちやすい場所**です。  \nしかもHBMは、普通のDRAMより **高付加価値・高難度** の製品として売上と利益が乗りやすいです。Micronは、データセンター向け製品は業界でもっとも複雑で高価値な製品群の一部だとし、HBM事業は2025年度Q4に **約","quote_start":0,"quote_end":139,"text_sha256":"99eb040637e1820167d146bd4208a4c0afc6efbea7e8f6a132d24c1ee7047a13","block_sha256":"99eb040637e1820167d146bd4208a4c0afc6efbea7e8f6a132d24c1ee7047a13","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_403510ae-0607-4213-8aae-0ea782887037"},{"id":"occ_3f8451e2ec594cbc91731756","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_4b7f4c8e-6768-4ab1-8e19-40e023fbe06e","section_id":"sec_257a4ca4-8483-47c2-8175-e478c2e30892","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM/DRAM本体では、**メモリセル、周辺回路、I/O、タイミング回路**の比重が大きいので、主役は custom IC / analog / mixed-signal 系です。Synopsys は Custom","quote_start":0,"quote_end":108,"text_sha256":"21571adbcae77a2ddcacfb1154c1baecf6d79728039a140e372a7d075aedbd9e","block_sha256":"21571adbcae77a2ddcacfb1154c1baecf6d79728039a140e372a7d075aedbd9e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_4b7f4c8e-6768-4ab1-8e19-40e023fbe06e"},{"id":"occ_a0cacbdec153e526c254b8ed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_5481c47c-af30-4dfa-9a9c-35954e5f33b7","section_id":"sec_87a6f515-ae91-4fb8-903b-cc8f0423d73a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"- **HBM/DRAM**: **Synopsys本丸**、ただし **HBMはAnsys上乗せ大**。 ([synopsys.com](https://www.synopsys.com/memory.html?utm_s","quote_start":0,"quote_end":112,"text_sha256":"10180b01510e331d0b34c06eb9a397c099bc00807cd2c42fc78ab1cf68ba9279","block_sha256":"10180b01510e331d0b34c06eb9a397c099bc00807cd2c42fc78ab1cf68ba9279","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_5481c47c-af30-4dfa-9a9c-35954e5f33b7"},{"id":"occ_a1fa9eee5e712ff3b1c2f10a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_55e3b55b-825d-46b2-93f3-f27171bf7338","section_id":"sec_653e5ab2-2c59-411a-988c-74751ea3b539","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"**要するに**  \nHBM/DRAMは、\\*\\*「デジタルSoCよりも custom memory / analog 寄り」**で、HBMだけさらに**「先端パッケージEDAが必須」\\*\\*になります。 ([Synopsys](http","quote_start":0,"quote_end":119,"text_sha256":"4c0713346fd1b6005eaea9d1ba9a82e461a567706a21e7c292fbc0b41bbd2a95","block_sha256":"4c0713346fd1b6005eaea9d1ba9a82e461a567706a21e7c292fbc0b41bbd2a95","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_55e3b55b-825d-46b2-93f3-f27171bf7338"},{"id":"occ_266ee601ba52746df04f4236","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_6d792773-3c93-4536-984d-0a8111eaf6eb","section_id":"sec_c36ab156-6141-4648-a9e1-90ca881c8808","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"この表は、各社の公式製品群と、HBM/DRAM・NAND・高速I/O・巨大デジタルSoCが要求する設計作業を突き合わせた**私の推定地図**です。以下で、どこにお金が落ちやすいかを製品ごとに言い換えます。 ([synopsys.com](http","quote_start":0,"quote_end":123,"text_sha256":"c4eaa9d15a27bc108c543fa80e0f518b361a79fb3b765b1a72e8a8cf6ff7c1dc","block_sha256":"c4eaa9d15a27bc108c543fa80e0f518b361a79fb3b765b1a72e8a8cf6ff7c1dc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_6d792773-3c93-4536-984d-0a8111eaf6eb"},{"id":"occ_fe6af19950f06ed594bceddd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_741391ed-c5e7-4e4b-81db-054e68250b81","section_id":"sec_25b0d9ad-457a-4e2d-944c-cdb8aba027b7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"**HBM/DRAM**  \n→ メモリそのものを作るので **custom memory + 3D/package** が主役。 ([Synopsys](https://www.synopsys.com/memory.","quote_start":0,"quote_end":110,"text_sha256":"8806599137fec90473bcf2e72cf4a50cda841b4258250afb387203db83764bc2","block_sha256":"8806599137fec90473bcf2e72cf4a50cda841b4258250afb387203db83764bc2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_741391ed-c5e7-4e4b-81db-054e68250b81"},{"id":"occ_abccf675f0ea47fb09bf9493","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_7655addc-e1d7-46b7-8d2c-faeb87573fcf","section_id":"sec_66a807c2-6109-4937-8479-774b7e91dcb7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":48,"end":52,"exact":"DRAM","quote":"ここは **Synopsys に最もお金が落ちやすい領域の1つ** です。  \n理由は、HBM/DRAM が **memory 専用フロー** と **custom/analog** と **3D/advanced packaging** を同時に必要とするからです。Synopsys は Memory ","quote_start":0,"quote_end":152,"text_sha256":"83daee68f6783e3c666ea1a645295e38e5cfae92258dd103237ec8296b653a08","block_sha256":"83daee68f6783e3c666ea1a645295e38e5cfae92258dd103237ec8296b653a08","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_7655addc-e1d7-46b7-8d2c-faeb87573fcf"},{"id":"occ_c127b488d80985bac7d7823d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_77cb23b7-31c3-41f3-a7b7-296ee287f4d7","section_id":"sec_10281e16-aeb3-465f-b7f7-7686e705f40d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## \\1. HBM / DRAM ではどこで何を使うか","quote_start":0,"quote_end":28,"text_sha256":"d5d1b5b72520ed867b854226d5707197e416db7974ec63746d27c858578e9200","block_sha256":"d5d1b5b72520ed867b854226d5707197e416db7974ec63746d27c858578e9200","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_77cb23b7-31c3-41f3-a7b7-296ee287f4d7"},{"id":"occ_cdaaf81bf1c89c754f90b058","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_7a6af168-341e-415a-a3ad-c0ae124e92bd","section_id":"sec_53c84022-b474-4011-94b8-d3848c7dae5b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":102,"end":106,"exact":"DRAM","quote":"す。  \nHBMになると、**ダイ単体ではなく多ダイ/先端パッケージ込み**で成立させる必要があるので、普通のDRAMより早い段階から 2.5D/3D の co-design が入ります。Synopsys 3DIC Compiler は、2.5D/3D multi-die 向けに feasibility explor","quote_start":47,"quote_end":206,"text_sha256":"77464a6224703e407672eb607db1cee04d935b7b67f03538ccc16e0753f4ca2c","block_sha256":"77464a6224703e407672eb607db1cee04d935b7b67f03538ccc16e0753f4ca2c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_7a6af168-341e-415a-a3ad-c0ae124e92bd"},{"id":"occ_8b1b61a07dfd40d1c6923e70","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_c4527dfd-e48f-49ab-a3f6-008b0832f556","section_id":"sec_66a807c2-6109-4937-8479-774b7e91dcb7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## \\1. HBM / DRAM","quote_start":0,"quote_end":17,"text_sha256":"328429d2d2ee87c7b77cfe295fca8991dee9fe19a14a8fb57280416aee1182aa","block_sha256":"328429d2d2ee87c7b77cfe295fca8991dee9fe19a14a8fb57280416aee1182aa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_c4527dfd-e48f-49ab-a3f6-008b0832f556"},{"id":"occ_8dcac944e1574e2a68490a62","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_dc398a9d-882b-4fe1-aa01-36d04191c8be","section_id":"sec_a15a81ef-6b01-4032-846d-3a1a9ae4911b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":68,"end":72,"exact":"DRAM","quote":" \n**「メモリ専用の回路屋とレイアウト屋が主役。HBMだけはSI/PI屋も主役級」** です。  \n理由は、DRAM系はメモリアレイ・周辺回路・カスタム設計の比重が非常に高く、Synopsys も memory design を custom design platform、早期寄生・信頼性・digitized m","quote_start":13,"quote_end":172,"text_sha256":"16f57e23511082f97267bc5d9452b8c3d22e8c64f3c8250f0b281a23bc818ec7","block_sha256":"16f57e23511082f97267bc5d9452b8c3d22e8c64f3c8250f0b281a23bc818ec7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_dc398a9d-882b-4fe1-aa01-36d04191c8be"},{"id":"occ_1323fa33ceec74dff435a327","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_e4614603-12b4-4b0c-bfb3-f0e8191cce0a","section_id":"sec_935e972d-6492-4525-996e-3aa0ef30efdb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## HBMやDRAMのようなメモリからnand、トランシーバーやスイッチでの工程","quote_start":0,"quote_end":41,"text_sha256":"09bb8f51dd788b51a6cbe115d9f54c9d793fedcb7ce29f77a0a454549affe7a4","block_sha256":"09bb8f51dd788b51a6cbe115d9f54c9d793fedcb7ce29f77a0a454549affe7a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_e4614603-12b4-4b0c-bfb3-f0e8191cce0a"},{"id":"occ_0b684e09a80ec251026a4142","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_ed65a7dc-90a5-4717-9397-3166a8e1084d","section_id":"sec_a15a81ef-6b01-4032-846d-3a1a9ae4911b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"### \\1. HBM / DRAM","quote_start":0,"quote_end":18,"text_sha256":"b148f916ff72894c4bf5e4cee67649f59eda037fbceec29d55debd428b5ff4b6","block_sha256":"b148f916ff72894c4bf5e4cee67649f59eda037fbceec29d55debd428b5ff4b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_ed65a7dc-90a5-4717-9397-3166a8e1084d"},{"id":"occ_84943681b13d80a9fb3d24b0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57810a5f-315e-49a7-ac85-72cc27e35eff","work_id":"wrk_fc529d17-dbc8-4405-b2ca-a48accef7253","block_id":"blk_eec9e058-1da5-4884-a4db-9322893756ff","section_id":"sec_065729e7-b75a-4509-9070-2fe3d89ca067","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":227,"end":231,"exact":"DRAM","quote":"ます。一方で製品としては ONFI / Toggle などのインターフェース検証も重要なので、検証屋の比重は DRAMより少し見えやすくなります。 ([synopsys.com](https://www.synopsys.com/memory.html?utm_source=chatgpt.com))","quote_start":172,"quote_end":323,"text_sha256":"c8d6f90ea9a20f43db0fc46ea28540b593cd4f5f166157633ffbf3c3dad10376","block_sha256":"c8d6f90ea9a20f43db0fc46ea28540b593cd4f5f166157633ffbf3c3dad10376","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57810a5f-315e-49a7-ac85-72cc27e35eff/#blk_eec9e058-1da5-4884-a4db-9322893756ff"},{"id":"occ_3674cf66333ee11491bdff52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57995821-c471-42b5-ae3a-f989b7bd06f5","work_id":"wrk_ffa6d69b-69a7-4979-a51d-6b89aa7b0ff5","block_id":"blk_02eb402d-4d5e-48e5-bd38-d01750dd5a0a","section_id":"sec_749fd69f-a80c-498f-893a-b30710e5e8b8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":91,"end":95,"exact":"DRAM","quote":"とKVキャッシュが必要になる。AIスマートフォン、AI PC、自動車、ロボット、監視装置にも、従来より大容量のDRAMとストレージが搭載されるだろう。","quote_start":36,"quote_end":111,"text_sha256":"94aab205e069a4fa1e94319ab28de6987ba8a410050262c8fa8262e336280dcb","block_sha256":"94aab205e069a4fa1e94319ab28de6987ba8a410050262c8fa8262e336280dcb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57995821-c471-42b5-ae3a-f989b7bd06f5/#blk_02eb402d-4d5e-48e5-bd38-d01750dd5a0a"},{"id":"occ_6890f73083b8a42bf40f21cc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57995821-c471-42b5-ae3a-f989b7bd06f5","work_id":"wrk_ffa6d69b-69a7-4979-a51d-6b89aa7b0ff5","block_id":"blk_0858ad1f-2a36-4af3-aa65-b204007516ed","section_id":"sec_607a93b8-186c-43e9-b652-a7969b826093","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"- GPU・AIアクセラレータ\n- HBM・サーバーDRAM\n- 高速スイッチ\n- 光トランシーバー\n- 電源・冷却設備\n- AIDC建設関連","quote_start":0,"quote_end":71,"text_sha256":"11ec19b38ea5e5feef502201a169db107319185ccfb660c5109ca9d8e893c306","block_sha256":"11ec19b38ea5e5feef502201a169db107319185ccfb660c5109ca9d8e893c306","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57995821-c471-42b5-ae3a-f989b7bd06f5/#blk_0858ad1f-2a36-4af3-aa65-b204007516ed"},{"id":"occ_b97f027fb143b87344f65605","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_57995821-c471-42b5-ae3a-f989b7bd06f5","work_id":"wrk_ffa6d69b-69a7-4979-a51d-6b89aa7b0ff5","block_id":"blk_9afab555-fe0b-4dcd-8e3d-4910a2d60d3d","section_id":"sec_749fd69f-a80c-498f-893a-b30710e5e8b8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"- HBMの供給不足\n- 先端DRAMの生産能力不足\n- 顧客による在庫確保\n- 長期供給契約\n- 高い平均販売価格","quote_start":0,"quote_end":58,"text_sha256":"fbe74424eb434917bbe545c54d3dcbfad0cf8029f4aa7fb29ae4bee695dc7abf","block_sha256":"fbe74424eb434917bbe545c54d3dcbfad0cf8029f4aa7fb29ae4bee695dc7abf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_57995821-c471-42b5-ae3a-f989b7bd06f5/#blk_9afab555-fe0b-4dcd-8e3d-4910a2d60d3d"},{"id":"occ_59162680c4a1ced0092fe524","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5a837b64-cde7-45d0-82fa-e2c1156e1e37","work_id":"wrk_31bacccb-2b73-4ad3-afc5-9282bd8e8359","block_id":"blk_4ab64395-618c-4c4c-9c7c-1212e46e7777","section_id":"sec_934a2ad2-4a4b-4663-8ce1-d558a59d7cbf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"AI向けLogic、DRAM/HBM、NAND、Advanced Packaging、Testが主要ドライバーである。([Reuters](https://www.reuters.com/business/applied-mat","quote_start":0,"quote_end":114,"text_sha256":"50f54b5e328589f08188e6377d223f0b6173089824785562f6b103f122d5e274","block_sha256":"50f54b5e328589f08188e6377d223f0b6173089824785562f6b103f122d5e274","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5a837b64-cde7-45d0-82fa-e2c1156e1e37/#blk_4ab64395-618c-4c4c-9c7c-1212e46e7777"},{"id":"occ_0b03df6eda1430ebc74f9abc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_0438bb8f-18f4-4617-accf-8db224134f1f","section_id":"sec_2fe97cbb-1ea0-4ab5-92ef-0f961d8bef91","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"2028年は、増産しても需要が追い越し、HBM・DRAM・NANDの不足が続く。","quote_start":0,"quote_end":40,"text_sha256":"571ccf84899f16dc5e8950bc81b40a84c300a324cb7928f6a86598f7ecbd4e8d","block_sha256":"571ccf84899f16dc5e8950bc81b40a84c300a324cb7928f6a86598f7ecbd4e8d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_0438bb8f-18f4-4617-accf-8db224134f1f"},{"id":"occ_149eaa2377d00d9413bbb3cb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_0ac4bdbc-050d-4f54-bc57-cc5323e772a2","section_id":"sec_1651af9f-f1bb-4931-8107-b3bfc929a257","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"**絶ノイア:** だからHBMだけではなく、DRAM、CXL、SSD、XL-FLASH、HBFまで見ないといけない。","quote_start":0,"quote_end":59,"text_sha256":"9fc850eaec5ae0f85333460ebe7dffbed158363edd5c68dc5039293bc8a37226","block_sha256":"9fc850eaec5ae0f85333460ebe7dffbed158363edd5c68dc5039293bc8a37226","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_0ac4bdbc-050d-4f54-bc57-cc5323e772a2"},{"id":"occ_966918ea4ef1d3f7871d8961","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_0dbb7075-d431-457e-9540-a3487b12f538","section_id":"sec_2fe97cbb-1ea0-4ab5-92ef-0f961d8bef91","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"見るべきなのは、HBM、DRAM、CXL、XL-FLASH、HBF、enterprise SSD、KVキャッシュ管理ソフトを含む、メモリ階層全体である。","quote_start":0,"quote_end":76,"text_sha256":"74f5642a972e808a06e10b170ad2a45301937d2fc0ad17ef8e9606fc59bae89f","block_sha256":"74f5642a972e808a06e10b170ad2a45301937d2fc0ad17ef8e9606fc59bae89f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_0dbb7075-d431-457e-9540-a3487b12f538"},{"id":"occ_fca9c97eb705803af8474da1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_11fc1d85-72a8-49c5-aac3-a667acf378a6","section_id":"sec_021be68d-ce1a-4b16-9ee2-c261624ee63f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"その外側にCPU DRAMやCXLメモリがある。HBMに置ききれないが、比較的高速に参照したいデータの逃がし先になる。","quote_start":0,"quote_end":59,"text_sha256":"c4fee1fcda95c4288bfe7e66b12a66904d1a0131e2a8dbb101976818bb673545","block_sha256":"c4fee1fcda95c4288bfe7e66b12a66904d1a0131e2a8dbb101976818bb673545","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_11fc1d85-72a8-49c5-aac3-a667acf378a6"},{"id":"occ_560c564f2203ce793689bcb0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_26d6993f-9c46-48d9-b562-a8df1a9d6007","section_id":"sec_3b31cfc0-5046-4b39-b0e5-5b81039710ac","layer":"body","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"MEXTの技術は、NANDを物理的にDRAM並みに速くするものではない。DRAMは依然として速く、NANDは依然として遅い。重要なのは、AI予測を使って、よく使うデータをDRAMに残し、あまり使わないデータをNANDへ逃がし、次に必要になりそう","quote_start":0,"quote_end":122,"text_sha256":"b28ac6741d87e60c71aa75f7df963c65904795522b17f222207b9d399d943b42","block_sha256":"b28ac6741d87e60c71aa75f7df963c65904795522b17f222207b9d399d943b42","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_26d6993f-9c46-48d9-b562-a8df1a9d6007"},{"id":"occ_63e3029602635f678a80bdfa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_2e1a49f2-3760-497c-9645-0d37e99774d8","section_id":"sec_4aad8304-e49e-40be-8202-c55ab23fb1cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"### 2029年：HBMは均衡へ、NANDとDRAMへボトルネックが移る","quote_start":0,"quote_end":37,"text_sha256":"16fa0bc85140be72135ad54ba4e00c03f1ccad4ed69335f45491a3dd4f82a416","block_sha256":"16fa0bc85140be72135ad54ba4e00c03f1ccad4ed69335f45491a3dd4f82a416","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_2e1a49f2-3760-497c-9645-0d37e99774d8"},{"id":"occ_ba19391f7360222036bdce89","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_316ab4c7-6054-4ecc-8f40-b12ad8044287","section_id":"sec_4aad8304-e49e-40be-8202-c55ab23fb1cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":80,"end":84,"exact":"DRAM","quote":"文エージェント、企業RAG、動画AI、ロボットAI、AI PC、車載AIが伸びると、HBM不足が緩んだ分だけ、DRAMやNANDへ負荷が移る。","quote_start":25,"quote_end":96,"text_sha256":"2bb7e761951594c5dd5487ccc2230559408cd2676562db92584c9e2e501a4e46","block_sha256":"2bb7e761951594c5dd5487ccc2230559408cd2676562db92584c9e2e501a4e46","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_316ab4c7-6054-4ecc-8f40-b12ad8044287"},{"id":"occ_8f03036f099cc4fb94ee0c00","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_32704f0f-fc1e-4fbd-8d67-872c6be1f87a","section_id":"sec_5449428d-3412-482f-9abe-034e838c1071","layer":"body","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":225,"end":229,"exact":"DRAM","quote":"な重み、KV、計算直近データ | HBM3E、HBM4、HBM4E              |\n| CPU DRAM / CXL | HBMに置ききれない高速データ     | DDR5、LPDDR、CXLメモリ             |\n| 予測階層化          | DRAM不足をNANDで補う    ","quote_start":170,"quote_end":329,"text_sha256":"e239bb354dccc1db3b8d40db93d8927e2eee8b1f03cf729475f8d5d0fecaeb04","block_sha256":"e239bb354dccc1db3b8d40db93d8927e2eee8b1f03cf729475f8d5d0fecaeb04","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_32704f0f-fc1e-4fbd-8d67-872c6be1f87a"},{"id":"occ_9237a44943b06779650d6aba","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_3371bfef-8bda-410e-a34a-a6c1aeaa2914","section_id":"sec_5449428d-3412-482f-9abe-034e838c1071","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"MEXTは、ソフトウェアでDRAMとNANDを賢く使い分ける技術である。","quote_start":0,"quote_end":36,"text_sha256":"e8371563666b707621a798c4ed1f487bd9521386f2c1a1c34103309ef669244f","block_sha256":"e8371563666b707621a798c4ed1f487bd9521386f2c1a1c34103309ef669244f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_3371bfef-8bda-410e-a34a-a6c1aeaa2914"},{"id":"occ_f1a1b85331444fdee7ca953a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_3d7b6049-ea31-4ddc-974c-4b480b37124e","section_id":"sec_189571be-8501-4140-83bd-1b5adb22271e","layer":"character","character_id":"sil_kathna","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"熱い記憶はHBMとなり、広間の記憶はDRAMとなり、地下の記憶はNANDとなる。CXLは回廊を伸ばし、HBFは炉と地下のあいだに新しい橋を架ける。","quote_start":0,"quote_end":73,"text_sha256":"3146b6e3b704d52b8f7e33f1c9fe7e93d260eb0acc3a1154d64cd5942b92a2b6","block_sha256":"3146b6e3b704d52b8f7e33f1c9fe7e93d260eb0acc3a1154d64cd5942b92a2b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_3d7b6049-ea31-4ddc-974c-4b480b37124e"},{"id":"occ_49daca93335339bc1144c478","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_4307b318-0f7b-4e89-bd52-e15dd9fd488f","section_id":"sec_e9426f80-4cfa-43b7-b2cc-8575eda1daff","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":57,"end":61,"exact":"DRAM","quote":"換えれば、AIインフラは「GPUをどれだけ買えるか」の競争から、「限られた高価なHBMをどれだけ節約しながら、DRAM・NAND・CXL・SSDを使ってGPUを遊ばせないか」の競争へ移っている。","quote_start":2,"quote_end":99,"text_sha256":"19de413c95b7e457ed851967e7f05c738b829843aa55675abfe25a975109486a","block_sha256":"19de413c95b7e457ed851967e7f05c738b829843aa55675abfe25a975109486a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_4307b318-0f7b-4e89-bd52-e15dd9fd488f"},{"id":"occ_98125290f5c1b9bd4aff533e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_574eea22-fa33-450d-a380-82c423e04abf","section_id":"sec_69902492-7190-4bae-bcb8-d1d67dbabe84","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":77,"end":81,"exact":"DRAM","quote":"L、NVIDIA Storage-Next、Kioxia GP/XL-FLASH、HBFがここに入る。HBMやDRAMに置ききれないデータを、より安価で大容量の層へ逃がし、必要なときだけ戻す。","quote_start":22,"quote_end":118,"text_sha256":"a33e9894e2650217628297132abb4b2f909b486485a919494e8a9effee58123e","block_sha256":"a33e9894e2650217628297132abb4b2f909b486485a919494e8a9effee58123e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_574eea22-fa33-450d-a380-82c423e04abf"},{"id":"occ_14269e7753edbcdf6b8de6a0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_6084006a-f0a7-4338-babf-81493437ddf5","section_id":"sec_2f8af703-51cd-4809-8868-1aaaf053987b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"そのため、DRAMは2029〜2030年に少し落ち着く可能性はあるが、昔のようなコモディティ価格には戻りにくい。AI時代には、DRAMも戦略部材になっていく。","quote_start":0,"quote_end":79,"text_sha256":"568002fba66cd36693588d4cd74fe98cb947ecf130c9694ac786b746184732da","block_sha256":"568002fba66cd36693588d4cd74fe98cb947ecf130c9694ac786b746184732da","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_6084006a-f0a7-4338-babf-81493437ddf5"},{"id":"occ_12bb0ad52ad7c0bdb6ecc300","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_61043913-3e78-4b38-b71e-001e5cbd20df","section_id":"sec_2fe97cbb-1ea0-4ab5-92ef-0f961d8bef91","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"2029年は、HBMは少し落ち着くが、NAND/DRAMへボトルネックが移る。","quote_start":0,"quote_end":39,"text_sha256":"f1a0cf86610ed134d115568d838299dbd91747fefa933a03fa297f4a7cce87fb","block_sha256":"f1a0cf86610ed134d115568d838299dbd91747fefa933a03fa297f4a7cce87fb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_61043913-3e78-4b38-b71e-001e5cbd20df"},{"id":"occ_6a96412ceff4771a8c812581","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_6e7d20e2-f2bd-4904-9c54-148930b0f31a","section_id":"sec_7e4c1ccc-897c-4d42-9402-747e6522e593","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"AIサーバーでは、GPU HBMだけでなくCPU側DRAMも大量に必要になる。さらに、HBM向けにウェハ、先端工程、投資、人材が吸われることで、PC、スマホ、一般サーバー向けDRAMの供給が圧迫される。","quote_start":0,"quote_end":101,"text_sha256":"ea9f7376755e54f0986d7b611263438eb0767e502ce8d083de272337cfdc70f2","block_sha256":"ea9f7376755e54f0986d7b611263438eb0767e502ce8d083de272337cfdc70f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_6e7d20e2-f2bd-4904-9c54-148930b0f31a"},{"id":"occ_4cabe7a12c4cf9c355e9b5c4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_79fee9b1-cc1c-4fad-aace-0be53e5695e3","section_id":"sec_f2e032cb-0286-4606-b686-d9b2b77b98e5","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"- メモリ階層化はHBM需要を単純に消すのではなく、DRAM、CXL、NAND、eSSD、HBFへ需要を再配線する。\n- 2027年は節約技術より新需要の伸びが強く、HBM・DRAM・AI向けNANDが同時に締まりやすい。\n- 2029年以降はHBMが緩んでも","quote_start":0,"quote_end":130,"text_sha256":"4e92566ac88fc2cdf699ad1215f2b17aa08aaa4344064c11ae6d1d08a6ef239f","block_sha256":"4e92566ac88fc2cdf699ad1215f2b17aa08aaa4344064c11ae6d1d08a6ef239f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_79fee9b1-cc1c-4fad-aace-0be53e5695e3"},{"id":"occ_01a1bf2f7fe3a14c161a97df","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_7f58ed05-7523-4ab3-a7c0-d8dffcfe336d","section_id":"sec_2fe97cbb-1ea0-4ab5-92ef-0f961d8bef91","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"MEXTは、NANDをDRAMのように見せるソフトウェア側からのアプローチである。","quote_start":0,"quote_end":41,"text_sha256":"e704d75471a53bd87ea21490e9f791deaed304fc24bb07471999c784ab814e9f","block_sha256":"e704d75471a53bd87ea21490e9f791deaed304fc24bb07471999c784ab814e9f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_7f58ed05-7523-4ab3-a7c0-d8dffcfe336d"},{"id":"occ_eeef805cacf2e14843bd1480","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_8394548c-7def-493b-b248-b06a1946a1c2","section_id":"sec_e9426f80-4cfa-43b7-b2cc-8575eda1daff","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"これから重要になるのは、HBM、DRAM、CXL、NAND、SSD、KVキャッシュをどう階層化するかである。","quote_start":0,"quote_end":54,"text_sha256":"529245afc9374742ecda07968efd0ef637e0cf3a3509b74d698a773364c19bb6","block_sha256":"529245afc9374742ecda07968efd0ef637e0cf3a3509b74d698a773364c19bb6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_8394548c-7def-493b-b248-b06a1946a1c2"},{"id":"occ_3d3edc7e59e2d595a6c10c20","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_969c0f6a-cd98-467e-83c5-8724eae1d8ee","section_id":"sec_e8450030-c9af-4bc3-b056-611c8e04189a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"今後見るべき指標は、単なるDRAM価格やNAND価格だけではない。","quote_start":0,"quote_end":33,"text_sha256":"fdba8f1a7df1674efd6146f6814bbcdfd82db42e33be5c5c25908ddba4f891f0","block_sha256":"fdba8f1a7df1674efd6146f6814bbcdfd82db42e33be5c5c25908ddba4f891f0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_969c0f6a-cd98-467e-83c5-8724eae1d8ee"},{"id":"occ_07bfbdb763f1f7c56b40ed87","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_aa55babb-8e9b-4558-9b6f-10d42fa3e374","section_id":"sec_89807455-3a6e-4d0b-b516-e204b7fee291","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":103,"end":107,"exact":"DRAM","quote":"歴を持ち、RAGが大きくなり、動画やロボットの状態も保持される。HBMから逃がされたデータは消えるのではない。DRAM、CXL、SSD、XL-FLASH、HBFへ場所を変え、AIファクトリーの別の階層を満たしていく。","quote_start":48,"quote_end":156,"text_sha256":"4e6efa051f6890e10e74d441f37582f70976f40ec10cf10ae71bb2b11de963fe","block_sha256":"4e6efa051f6890e10e74d441f37582f70976f40ec10cf10ae71bb2b11de963fe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_aa55babb-8e9b-4558-9b6f-10d42fa3e374"},{"id":"occ_5ffcdc233ce2492d7883a986","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_b278c70e-1691-4d4e-acc8-e1e3fa8554da","section_id":"sec_2f8af703-51cd-4809-8868-1aaaf053987b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"### 一般DRAM・サーバーDRAM需要供給、2026年=100","quote_start":0,"quote_end":33,"text_sha256":"f6fd505c418c92546a16985578cc9a76aeccacaa1f60b1408f6e024b0fb12839","block_sha256":"f6fd505c418c92546a16985578cc9a76aeccacaa1f60b1408f6e024b0fb12839","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_b278c70e-1691-4d4e-acc8-e1e3fa8554da"},{"id":"occ_27d79390996216f4ec330bf6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_b8a38e59-fdfa-4f5c-b54c-cc0f7f6ab46c","section_id":"sec_89807455-3a6e-4d0b-b516-e204b7fee291","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":58,"end":62,"exact":"DRAM","quote":"text\nHBM不足\n  ↓\n圧縮・量子化・KV再利用\n  ↓\n長文、RAG、エージェント需要が拡大\n  ↓\nDRAM / CXL / eSSD / HBFへ負荷が移る\n  ↓\nメモリ不足は単一部品ではなく階層全体の問題になる\n```","quote_start":3,"quote_end":120,"text_sha256":"fd5523779c13c7baf60f3b344780607fd4a5ea54396a44833817e54da64ddb30","block_sha256":"fd5523779c13c7baf60f3b344780607fd4a5ea54396a44833817e54da64ddb30","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_b8a38e59-fdfa-4f5c-b54c-cc0f7f6ab46c"},{"id":"occ_0c0428c7de087dfd9a4ad332","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_c0f3c842-1038-4f44-b4f8-400f52a7cc12","section_id":"sec_7e4c1ccc-897c-4d42-9402-747e6522e593","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 9. DRAMはHBMの陰で不足しやすい","quote_start":0,"quote_end":23,"text_sha256":"a514cb05f0f30953fd1ce9f64530991515edf61f4e3ee9dcd137cae57ddb2da7","block_sha256":"a514cb05f0f30953fd1ce9f64530991515edf61f4e3ee9dcd137cae57ddb2da7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_c0f3c842-1038-4f44-b4f8-400f52a7cc12"},{"id":"occ_c4b49b538233d573c886a6e4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_c5886d58-a333-4729-83dc-e80cfb567036","section_id":"sec_3b31cfc0-5046-4b39-b0e5-5b81039710ac","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"## 2. AMDのMEXT統合──NANDをDRAMのように見せるソフトウェア層","quote_start":0,"quote_end":41,"text_sha256":"466a61c2bdc9c2f67be91e6f718839f27731791a60b34cd805f9ae1cb5d63871","block_sha256":"466a61c2bdc9c2f67be91e6f718839f27731791a60b34cd805f9ae1cb5d63871","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_c5886d58-a333-4729-83dc-e80cfb567036"},{"id":"occ_d7301e723a3d3cecdde932e9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_c98a359c-8354-4563-b1b0-e65b2ee1d309","section_id":"sec_3b31cfc0-5046-4b39-b0e5-5b81039710ac","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"MEXTは魔法ではない。予測が外れ続けるワークロードでは、NANDアクセスの遅さが露出する。MEXTの価値は、DRAM不足や大容量メモリ不足で詰まっているワークロードにおいて、どれだけ性能劣化を抑えながら実効メモリ容量を広げられるかにかかっている。","quote_start":4,"quote_end":128,"text_sha256":"1422825c5da527e8cfe03341161836057bba792bc40ac3ddc31028ebc4a55906","block_sha256":"1422825c5da527e8cfe03341161836057bba792bc40ac3ddc31028ebc4a55906","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_c98a359c-8354-4563-b1b0-e65b2ee1d309"},{"id":"occ_b59aa03746369fb8e34dddfe","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_caaa868d-6c07-4624-823c-1cf16aaca27a","section_id":"sec_965a89fb-4500-404c-a89b-48f983873809","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DRAM","quote":"MEXT、Storage-Next、Kioxia GP/XL-FLASH、HBFは、HBMやDRAMの不足をNANDへ逃がす技術でもある。つまり、NANDはメモリ節約の受け皿になる。","quote_start":0,"quote_end":91,"text_sha256":"023875da48de74eb1a118fc95e9e5c210fd254b32d83a9f7198cea7cb8651318","block_sha256":"023875da48de74eb1a118fc95e9e5c210fd254b32d83a9f7198cea7cb8651318","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_caaa868d-6c07-4624-823c-1cf16aaca27a"},{"id":"occ_00842f5ee8c16ac78c4d0bf5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_d8ae9676-b718-4a7c-a151-a73812a235e3","section_id":"sec_7e4c1ccc-897c-4d42-9402-747e6522e593","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"HBMだけでなく、通常DRAMも不足しやすい。","quote_start":0,"quote_end":23,"text_sha256":"f4915ade785bdf7fd0eac385688549da5a98d5a5590fbe3a74e4195c3fbc6495","block_sha256":"f4915ade785bdf7fd0eac385688549da5a98d5a5590fbe3a74e4195c3fbc6495","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_d8ae9676-b718-4a7c-a151-a73812a235e3"},{"id":"occ_c66237028a1eb496d7f8d196","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_f5721f8a-9c90-4adf-9a47-564371d32b19","section_id":"sec_2f8af703-51cd-4809-8868-1aaaf053987b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMでは、MEXTのような階層化、CXLメモリ、メモリプーリング、圧縮が効く。しかし、それ以上にAIサーバー、RAG、データ分析、仮想化、企業向けAI基盤がDRAMを必要とする。","quote_start":0,"quote_end":91,"text_sha256":"65c49b968ed6f83594644d17ad20a4b0426c55e47dbaa88a7354e962ba9f8c64","block_sha256":"65c49b968ed6f83594644d17ad20a4b0426c55e47dbaa88a7354e962ba9f8c64","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_f5721f8a-9c90-4adf-9a47-564371d32b19"},{"id":"occ_e108438d14ef79cf68aea139","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5dbe090a-744f-4659-8ee9-8fbc7195e238","work_id":"wrk_22490a2d-59cf-4ab7-9288-4f1e6c0f5a39","block_id":"blk_fa80e6fa-e972-43a2-8c1a-16bf26d8d77d","section_id":"sec_fa3ead89-2a06-4dd9-8633-1e7517bf8672","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"XL-FLASHは、DRAMと通常NANDの間を埋める低レイテンシーのStorage Class Memoryに近い位置づけである。DRAMほど速くはないが、通常のNANDより低レイテンシーで、小さなランダムアクセスに向く。","quote_start":0,"quote_end":112,"text_sha256":"4e5351f770c0f1fd969f4e5bf70dc6f58d0b377ce7946f1560aaf82d4c4c520d","block_sha256":"4e5351f770c0f1fd969f4e5bf70dc6f58d0b377ce7946f1560aaf82d4c4c520d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5dbe090a-744f-4659-8ee9-8fbc7195e238/#blk_fa80e6fa-e972-43a2-8c1a-16bf26d8d77d"},{"id":"occ_d53845ab8e30493a1ddd71be","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_05ec7ce8-c831-4eef-b5b9-3deeff40c730","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"つまりAIメモリの問題は、DRAMセルを製造できるかだけではなくなっている。","quote_start":0,"quote_end":38,"text_sha256":"a4da51c24829e9caf280f253fad59d5743970d0ed955500ec26e0f8059766df6","block_sha256":"a4da51c24829e9caf280f253fad59d5743970d0ed955500ec26e0f8059766df6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_05ec7ce8-c831-4eef-b5b9-3deeff40c730"},{"id":"occ_4fa409f357dd4f77e0a0e9dc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_08eecfe5-8eeb-4bb2-8aca-5f19d75d26ce","section_id":"sec_fe96fdac-d1b9-4732-af82-d2d9dbb92939","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"XBMで最も根本的な変更は、**Backend DRAM**である。","quote_start":0,"quote_end":34,"text_sha256":"3f71e38ddba69b2ab958ddd756032c169a2d6db51523450be54ded8c5a876485","block_sha256":"3f71e38ddba69b2ab958ddd756032c169a2d6db51523450be54ded8c5a876485","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_08eecfe5-8eeb-4bb2-8aca-5f19d75d26ce"},{"id":"occ_e69e1cad243330abd5a1ead3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_0b35b932-e2ae-4788-959c-c5044c2a0649","section_id":"sec_30c59cc0-2321-4d96-a874-c180542b0255","layer":"code","character_id":null,"count":6,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"```\n通常時\n\n上側DRAMのDB 0\n上側DRAMのDB 1\n上側DRAMのDB 2\n        ↓\n     ベースダイ\n\n\nDB 1が故障\n\n上側DRAMのDB 0\n上側DRAMのDB 1 ×\n上側DRAMのDB 2\n","quote_start":0,"quote_end":115,"text_sha256":"3c046089e22448ad08beb853dcf4498555a1283c683bbf3e43b5f143ac7a788b","block_sha256":"3c046089e22448ad08beb853dcf4498555a1283c683bbf3e43b5f143ac7a788b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_0b35b932-e2ae-4788-959c-c5044c2a0649"},{"id":"occ_b07408e42f44dc9dc40d795a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_0bfe3af1-ea8f-4eec-9770-db9542541c5a","section_id":"sec_f57b88b2-ea4f-474d-b801-d082e9f29e95","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"1. DRAMセルをBEOL側へ形成する\n2. メモリと演算ダイの間をUCIeで接続する\n3. ベースダイへ制御・検査・修復機能を集める\n4. スタック完成後の故障を予備領域で修復する","quote_start":0,"quote_end":92,"text_sha256":"c88b6b1f19430fa6720defba107c400400a6c72233464fb0cf4a6f23d32fac43","block_sha256":"c88b6b1f19430fa6720defba107c400400a6c72233464fb0cf4a6f23d32fac43","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_0bfe3af1-ea8f-4eec-9770-db9542541c5a"},{"id":"occ_d47618c41edfda9961283c6c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_0c7ccabc-c83e-4dda-8f91-5f37599e8b04","section_id":"sec_8368b4b3-a5b6-4694-b6f5-fa1632398cad","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは温度が上がるとリークとリフレッシュ負荷が増えやすいため、演算回路だけでなく、メモリスタック内部の熱分布も管理しなければならない。","quote_start":0,"quote_end":69,"text_sha256":"c713b9972088a17176a70e8a78846188fdfe7d82dff69a6a4eb3ed418120778e","block_sha256":"c713b9972088a17176a70e8a78846188fdfe7d82dff69a6a4eb3ed418120778e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_0c7ccabc-c83e-4dda-8f91-5f37599e8b04"},{"id":"occ_1c2857202943e27b5b27f7d4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_0eb1aca4-a4f2-4883-ac95-ba999e1d2279","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"特許で示されている主な構成は、Backend DRAMを持つメモリダイを複数積層し、ベースダイを介して演算ダイへ接続するものである。","quote_start":0,"quote_end":66,"text_sha256":"60eeed045baa22d381e5b6cafcc7ce516b1308687ec159a007f53d22e61c5f57","block_sha256":"60eeed045baa22d381e5b6cafcc7ce516b1308687ec159a007f53d22e61c5f57","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_0eb1aca4-a4f2-4883-ac95-ba999e1d2279"},{"id":"occ_417c1e348a825ce3b0f346fb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_13ecb57e-9d82-4eba-963e-84bccf983082","section_id":"sec_1c89ea40-d6ce-4365-be1d-162ee88f7337","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"- DRAM製造\n- Backend Transistor\n- TSV\n- ダイ薄化\n- 接合\n- UCIe PHY\n- メモリコントローラー\n- パッケージ基板\n- テスト装置\n- 顧客認証","quote_start":0,"quote_end":96,"text_sha256":"56104a23b449373b6f9553ee52bf49fec3994715332f3ae0ca33248ea4a62cfb","block_sha256":"56104a23b449373b6f9553ee52bf49fec3994715332f3ae0ca33248ea4a62cfb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_13ecb57e-9d82-4eba-963e-84bccf983082"},{"id":"occ_732f0628b5540224b70896d6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_141ac8bf-5cfe-4f8c-bed7-707bf54db330","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBMでは、DRAMを積層し、プロセッサーの隣へ近づけた。","quote_start":0,"quote_end":29,"text_sha256":"432590355f994c6e07c4ca7a04ccc93c6f106090af1bc674469836bee2ac90e8","block_sha256":"432590355f994c6e07c4ca7a04ccc93c6f106090af1bc674469836bee2ac90e8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_141ac8bf-5cfe-4f8c-bed7-707bf54db330"},{"id":"occ_cfbdaec93fe17259a226d10e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_151b2fc4-e6d5-4e68-952f-00f7203b7727","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"通常のDRAMでは、メモリセルを構成するトランジスタとキャパシターは、主としてシリコン側の素子工程へ形成される。","quote_start":0,"quote_end":56,"text_sha256":"8e12faf51ac19079bcd354c3cfc24111634c544f6bafbe247870cae75e1ee98b","block_sha256":"8e12faf51ac19079bcd354c3cfc24111634c544f6bafbe247870cae75e1ee98b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_151b2fc4-e6d5-4e68-952f-00f7203b7727"},{"id":"occ_a55e209ea37cab6a1acd6804","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_1664c069-1371-4fa7-b3f3-388087df88b2","section_id":"sec_6ccc895b-4c2f-4d84-980f-74abc7a3aaca","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"```\n| 技術 | 役割 |\n| XBM | 高帯域メモリ全体のアーキテクチャ |\n| Backend DRAM | メモリセルの構造 |\n| TSV gutter | 積層内の垂直配線 |\n| HBI | ダイ間の高帯域接続 |\n| Hybrid Bonding | ダイ接合に利用できる技術 |\n| UCIe","quote_start":0,"quote_end":157,"text_sha256":"e82bb37aac61da800054bc17555b213f1872f1e032bf14c250b5ba1fe01e798a","block_sha256":"e82bb37aac61da800054bc17555b213f1872f1e032bf14c250b5ba1fe01e798a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_1664c069-1371-4fa7-b3f3-388087df88b2"},{"id":"occ_12bd15c1ee0df8687ffa2f2e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_1733ca59-b883-467a-8194-79796d3e1ab6","section_id":"sec_a50059ac-01c8-4c56-bb2e-c402f3612032","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":55,"end":59,"exact":"DRAM","quote":"巨大な回路を小さな機能単位へ分け、後からパッケージ上で再統合するのがチップレットだった。XBMでは同じ思想を、DRAMアレイ内部へ適用している。チップレットは単にダイを小型化することではなく、複数ダイで一つのシステムを構成することを前提に機能を分割する設計である。","quote_start":0,"quote_end":132,"text_sha256":"df4d2a37ef594f8c5a2ee66a7ea4d1096080fcdfe6f9fa37d4863524b250be3a","block_sha256":"df4d2a37ef594f8c5a2ee66a7ea4d1096080fcdfe6f9fa37d4863524b250be3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_1733ca59-b883-467a-8194-79796d3e1ab6"},{"id":"occ_d6d490663e1b9c5bba165337","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_19091ac5-8f10-4f85-b202-3dd93036bb6e","section_id":"sec_e362e5a6-9777-4504-b6b8-054af216a2bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## 1．Backend DRAMの量産性","quote_start":0,"quote_end":21,"text_sha256":"0666bea2000c3821013d8dcd1bdc9a72db0bfef56f2ba8d74d071875ddae27bb","block_sha256":"0666bea2000c3821013d8dcd1bdc9a72db0bfef56f2ba8d74d071875ddae27bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_19091ac5-8f10-4f85-b202-3dd93036bb6e"},{"id":"occ_4a781f91ca223736f95c6869","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_2076b7d7-fc43-4e09-aaec-eefe3e983a04","section_id":"sec_fccc39f4-03c4-4c4a-bab7-96f9555fc8bd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"XBMは、GPUの演算回路とDRAMを極細ピッチで直接上下に積層する構造ではない。","quote_start":0,"quote_end":41,"text_sha256":"b360fda1e8ae6b4e3377214a65044c22f90b5c56a56c1735173a8896b49eaa7b","block_sha256":"b360fda1e8ae6b4e3377214a65044c22f90b5c56a56c1735173a8896b49eaa7b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_2076b7d7-fc43-4e09-aaec-eefe3e983a04"},{"id":"occ_1493a193a80b2c51958fc996","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_22f559b8-53be-4982-a5a2-8ee3ca6570bc","section_id":"sec_fccc39f4-03c4-4c4a-bab7-96f9555fc8bd","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"```\n上層\n＝Backend DRAM\n\n下層\n＝UCIe・テスト・修復を持つベースダイ\n\n横方向\n＝GPU／XPUとのチップレット接続\n```","quote_start":0,"quote_end":73,"text_sha256":"ff4ec85fab71d1f90236ce0146766dfddebfeef821cd173da50084c0435ec295","block_sha256":"ff4ec85fab71d1f90236ce0146766dfddebfeef821cd173da50084c0435ec295","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_22f559b8-53be-4982-a5a2-8ee3ca6570bc"},{"id":"occ_7289efef49489090f0d9456e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_258f46fc-6485-418b-80c9-ec70a842f8d7","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"そしてXBMが示しているのは、その考え方が演算ロジックだけでなく、DRAMそのものへ入り始めたという変化である。","quote_start":0,"quote_end":56,"text_sha256":"defd7a967a5add316378b29a6849e0c43488b155dc0674d1a806aab0e40ca615","block_sha256":"defd7a967a5add316378b29a6849e0c43488b155dc0674d1a806aab0e40ca615","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_258f46fc-6485-418b-80c9-ec70a842f8d7"},{"id":"occ_bbd02879d35b00d63a68e8dd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_35b608f4-781f-4540-ad1f-019736680c30","section_id":"sec_a50059ac-01c8-4c56-bb2e-c402f3612032","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"> **DRAMを、修復・積層・接続しやすいメモリ・チップレットへ再構成する試み**","quote_start":0,"quote_end":42,"text_sha256":"9c1db87e69764ca1e1d6fbc34d6417c12e6e31170cecf54121b40687b3e2964d","block_sha256":"9c1db87e69764ca1e1d6fbc34d6417c12e6e31170cecf54121b40687b3e2964d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_35b608f4-781f-4540-ad1f-019736680c30"},{"id":"occ_a694f9ea04482dbbb8bce9f7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_3e179075-4480-4ab7-9095-9db60108dfd4","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"ただし、これは「GPUの配線層へ、そのまま大容量DRAMを作る」という意味ではない。","quote_start":0,"quote_end":42,"text_sha256":"a16dc6adc6eb3d65ae2359ca1ad08ed954e0e41ac70adf4464c314bc804302c2","block_sha256":"a16dc6adc6eb3d65ae2359ca1ad08ed954e0e41ac70adf4464c314bc804302c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_3e179075-4480-4ab7-9095-9db60108dfd4"},{"id":"occ_6d197d18470678f697d8c2ea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_42c23b99-4584-495c-b07f-f7ead6df4bc0","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"Intel DRAM History:  \n[https://timeline.intel.com/1985/farewell-to-dram](https://timeline.intel.com/1985/farew","quote_start":0,"quote_end":110,"text_sha256":"2df0ada7669107b9396c41add3ed2afc382586d3fef59be9171048fe2d24ea0c","block_sha256":"2df0ada7669107b9396c41add3ed2afc382586d3fef59be9171048fe2d24ea0c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_42c23b99-4584-495c-b07f-f7ead6df4bc0"},{"id":"occ_b0f567d4f595ceb7d35f95c0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_456fe7db-225b-42c9-9df4-fccbe833fffb","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"## HBMの次に問題になるのは、DRAMセルではなくパッケージである","quote_start":0,"quote_end":35,"text_sha256":"324207dd16e36e2fd8ddc683fcd0c55ea5a1fabab6c66e55cf42a82eca39f951","block_sha256":"324207dd16e36e2fd8ddc683fcd0c55ea5a1fabab6c66e55cf42a82eca39f951","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_456fe7db-225b-42c9-9df4-fccbe833fffb"},{"id":"occ_ceac3fe7598c5f09e2ac31ff","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_4bbb6d84-eb58-4ba5-ae3b-34feb9ab5b18","section_id":"sec_e362e5a6-9777-4504-b6b8-054af216a2bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"薄膜トランジスタを使うBackend DRAMで、","quote_start":0,"quote_end":25,"text_sha256":"e153845603e4664b345f8cc61d9f732d1eccf90dbd3835bb2d1da09364751dd5","block_sha256":"e153845603e4664b345f8cc61d9f732d1eccf90dbd3835bb2d1da09364751dd5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_4bbb6d84-eb58-4ba5-ae3b-34feb9ab5b18"},{"id":"occ_0e2b50bd9bfee0ebb73a2feb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_5554ff62-f371-4c99-9429-0a6963b33477","section_id":"sec_e362e5a6-9777-4504-b6b8-054af216a2bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"を、既存のDRAMに対抗できる水準へ持っていく必要がある。","quote_start":0,"quote_end":29,"text_sha256":"262159c4e4ed6e03a8674fb720ab2abda50166c977ba9f191203fb7792ef9864","block_sha256":"262159c4e4ed6e03a8674fb720ab2abda50166c977ba9f191203fb7792ef9864","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_5554ff62-f371-4c99-9429-0a6963b33477"},{"id":"occ_ad4866274b2b2f76ae04082d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_62d42efb-690a-4fe0-80ba-3f16df23cb7b","section_id":"sec_b8274ce8-04c3-4682-929f-9c93e44099f1","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"```\nXBMスタック\n\nDRAMダイ\nDRAMダイ\nDRAMダイ\nDRAMダイ\n────────────\nActive Base Die\n・UCIe PHY\n・Memory Control\n・Test\n・Debug\n・Repair\n","quote_start":0,"quote_end":117,"text_sha256":"5eec7cb3d5676ad920777e13fa6dfb485b4143fca93a346258b8b43e2a2ecef1","block_sha256":"5eec7cb3d5676ad920777e13fa6dfb485b4143fca93a346258b8b43e2a2ecef1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_62d42efb-690a-4fe0-80ba-3f16df23cb7b"},{"id":"occ_984d099ceb30e5e55e2c29aa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_647eef67-a043-499f-94e7-1537a2fdf54c","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"しかし、AI時代のメモリ競争が、DRAMセルの微細化だけではなく、接合、TSV、PHY、ベースダイ、パッケージ、修復技術を含むシステム競争へ移ったことは明確である。","quote_start":0,"quote_end":82,"text_sha256":"4323e69596276956f4b7b8cf214ca2db444170ac676c1cbbfd3602f49b116efb","block_sha256":"4323e69596276956f4b7b8cf214ca2db444170ac676c1cbbfd3602f49b116efb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_647eef67-a043-499f-94e7-1537a2fdf54c"},{"id":"occ_c0f13628679021de39a3dfb4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_683925b1-ac68-45c9-ba65-4ce5dd12d917","section_id":"sec_f57b88b2-ea4f-474d-b801-d082e9f29e95","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"> **HBMを構成していたDRAM、TSV、PHY、ベースダイ、パッケージを、チップレット時代に合わせて再設計する構想**","quote_start":0,"quote_end":62,"text_sha256":"1939fa0f2337fad29875e8158f7541a28fb58814fe92f36583f1ad64d23dc378","block_sha256":"1939fa0f2337fad29875e8158f7541a28fb58814fe92f36583f1ad64d23dc378","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_683925b1-ac68-45c9-ba65-4ce5dd12d917"},{"id":"occ_5a667bd1df2f83f8144d29c8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_690f8932-e69f-4159-bdb0-7d62c5377557","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"従来、メモリは完成したDRAM部品として、プロセッサーの外側へ接続されていた。","quote_start":0,"quote_end":39,"text_sha256":"5275a1d2687af00cae7631c0f1ffb65ec53aa0f31dcfdc7d44804a6466b561a9","block_sha256":"5275a1d2687af00cae7631c0f1ffb65ec53aa0f31dcfdc7d44804a6466b561a9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_690f8932-e69f-4159-bdb0-7d62c5377557"},{"id":"occ_5c79fe3172fc6e682ea661e7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_74d9a86d-8da8-45b7-819d-57ea183d363a","section_id":"sec_2eeafa17-508b-4128-bec0-d6e6543587c3","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":103,"end":107,"exact":"DRAM","quote":"インターポーザー\n │\nUCIe・修復機能を持つベースダイ\n │\nTSV gutter\n │\nBackend DRAMスタック\n```","quote_start":48,"quote_end":115,"text_sha256":"7618250645a556be14d6243ee1e53d00f06dab419d635135b9e765e0864321a2","block_sha256":"7618250645a556be14d6243ee1e53d00f06dab419d635135b9e765e0864321a2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_74d9a86d-8da8-45b7-819d-57ea183d363a"},{"id":"occ_3496a24f95964cb2f04ee2b6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_8e2d0a02-64c6-44f1-b7c4-639243a3aca1","section_id":"sec_b8274ce8-04c3-4682-929f-9c93e44099f1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"同じDRAMダイを繰り返し積層し、世代ごとにベースダイだけを更新できるなら、理論上はメモリセル製造とI/O技術の更新周期を分離できる可能性もある。","quote_start":0,"quote_end":73,"text_sha256":"27f8da504bb2523dcffade02c9679f916dd8b5ab97837932d1e7acafba0d8afc","block_sha256":"27f8da504bb2523dcffade02c9679f916dd8b5ab97837932d1e7acafba0d8afc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_8e2d0a02-64c6-44f1-b7c4-639243a3aca1"},{"id":"occ_b57a05ed20a44968f890fc84","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_956df0a8-a018-4cee-a852-df0eb1035d9f","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"> **Backend DRAMを持つ専用メモリダイを、積層可能な部品として設計する技術**","quote_start":0,"quote_end":46,"text_sha256":"36bf865510c7631356b1c18103d3c1ecfdaa899925ad2c8553151c216ef19249","block_sha256":"36bf865510c7631356b1c18103d3c1ecfdaa899925ad2c8553151c216ef19249","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_956df0a8-a018-4cee-a852-df0eb1035d9f"},{"id":"occ_cac71081728067093faab711","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_96d2d3f5-ecee-4bbc-99ba-78faa34977e2","section_id":"sec_f57b88b2-ea4f-474d-b801-d082e9f29e95","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"```\nXBMの概念構造\n\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\n     TSV gut","quote_start":0,"quote_end":126,"text_sha256":"48182e8dc060742501ffd4baf3462b4950246353fda86a8ed30a9466f7f405ad","block_sha256":"48182e8dc060742501ffd4baf3462b4950246353fda86a8ed30a9466f7f405ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_96d2d3f5-ecee-4bbc-99ba-78faa34977e2"},{"id":"occ_e70fcf60ce62ee601e78b66e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_99a4a1bd-e432-4187-b441-effa020fafd6","section_id":"sec_2eeafa17-508b-4128-bec0-d6e6543587c3","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":75,"end":79,"exact":"DRAM","quote":"常に広い並列インターフェース\n │\nシリコンインターポーザー\n │\nHBMベースダイ\n │\nTSV\n │\n積層DRAM\n```","quote_start":20,"quote_end":83,"text_sha256":"33f0b4f2adefb31ff848f10524c942bc197d48e3c26fa21650bc41e2a33ad822","block_sha256":"33f0b4f2adefb31ff848f10524c942bc197d48e3c26fa21650bc41e2a33ad822","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_99a4a1bd-e432-4187-b441-effa020fafd6"},{"id":"occ_037d790da29c3038aeb5ed46","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_9cf65e0a-4f4d-4100-8a58-fa572755ee22","section_id":"sec_a50059ac-01c8-4c56-bb2e-c402f3612032","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"XBMでは、DRAMアレイを**datablock**と呼ばれる小さな単位へ分割する。","quote_start":0,"quote_end":43,"text_sha256":"f4bc85d46c1e525eed7562b46b469515642d8fca645f6f1efdebc8c09712b557","block_sha256":"f4bc85d46c1e525eed7562b46b469515642d8fca645f6f1efdebc8c09712b557","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_9cf65e0a-4f4d-4100-8a58-fa572755ee22"},{"id":"occ_622e17d4fa6f34abe5dd2d4f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_a7707d3e-5258-4d63-8ced-44d7bd28bfc2","section_id":"sec_a4a0f36f-2468-4c40-9949-9a65757f5ebc","layer":"body","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":84,"end":88,"exact":"DRAM","quote":"s-Batch Memory構想である。\n- 現時点では量産製品ではなく、特許出願段階である。\n- 1T1C DRAMをBEOL側へ形成するBackend DRAMを使う。\n- DRAMアレイを多数のデータブロックへ分割する。\n- 積層内の垂直接続にはTSV gutterとHBIを使う。\n- 演算ダイとの通信には32","quote_start":29,"quote_end":188,"text_sha256":"e60d9e033ab0fbd10d363003f0a9056db6e555875291a9b139e20336a1b68f8f","block_sha256":"e60d9e033ab0fbd10d363003f0a9056db6e555875291a9b139e20336a1b68f8f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_a7707d3e-5258-4d63-8ced-44d7bd28bfc2"},{"id":"occ_282fdd3d3d8de461f8c272ea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_afbd353d-bcab-46c6-b560-ec8e000ff528","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBMは、複数のDRAMダイを上下へ積層し、各層をTSVとマイクロバンプなどで接続する。そして積層したメモリを、シリコンインターポーザー上の多数の細かな配線を通じて、GPUやAIアクセラレーターへ接続する。","quote_start":0,"quote_end":103,"text_sha256":"518ff7bc429ef7eee02a025e55fba602128c64e5acf0041193c86d6bdddeecf9","block_sha256":"518ff7bc429ef7eee02a025e55fba602128c64e5acf0041193c86d6bdddeecf9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_afbd353d-bcab-46c6-b560-ec8e000ff528"},{"id":"occ_c165f8fab987704dd089a1fc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_bd1f2e0c-41eb-452b-84c3-645e34f73374","section_id":"sec_86b2c972-c7fc-420c-9c5e-5aa80130a0ae","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":46,"end":51,"exact":"LPDDR","quote":"```\n演算器の直上\n＝SRAM\n\n演算器の隣\n＝HBM／XBM\n\nパッケージ外\n＝DDR／LPDDR\n\nサーバー共有\n＝CXL Memory\n\nストレージ\n＝NAND\n```","quote_start":0,"quote_end":88,"text_sha256":"9796ee877fd59e1878db4063942896e36a0f744de02b7551f381e6ba6465eaec","block_sha256":"9796ee877fd59e1878db4063942896e36a0f744de02b7551f381e6ba6465eaec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_bd1f2e0c-41eb-452b-84c3-645e34f73374"},{"id":"occ_39932b39345f4617740d54cc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_c2e225b7-c415-4237-bd3d-ab6326539b9e","section_id":"sec_a50059ac-01c8-4c56-bb2e-c402f3612032","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"## なぜDRAMをデータブロックへ分割するのか","quote_start":0,"quote_end":24,"text_sha256":"bf468ced9253b0589cce69086f4de1929b9f0cbeec831b40a3529577e50448b1","block_sha256":"bf468ced9253b0589cce69086f4de1929b9f0cbeec831b40a3529577e50448b1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_c2e225b7-c415-4237-bd3d-ab6326539b9e"},{"id":"occ_c78343060d44dd670d72e1da","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_c9c68519-bcbd-4e57-8281-e2e6b14de4c5","section_id":"sec_fe96fdac-d1b9-4732-af82-d2d9dbb92939","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"## 第一の変更――DRAMセルをBEOL側へ作る","quote_start":0,"quote_end":25,"text_sha256":"f68d58289c288faf5235472f4a65db4d634dceaf036768c6f9b57c26040aa939","block_sha256":"f68d58289c288faf5235472f4a65db4d634dceaf036768c6f9b57c26040aa939","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_c9c68519-bcbd-4e57-8281-e2e6b14de4c5"},{"id":"occ_abc29eb446487e3b34395767","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_cb4dbd83-b16f-4918-9de9-c65cd535dd3e","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"```\nXBMの概念\n\n上側\n────────────────\nBackend DRAMセル\n────────────────\n金属配線・HBI\n────────────────\n下側回路・シリコン\n────────────────\n```","quote_start":0,"quote_end":120,"text_sha256":"22a1cd608cedfc9857155650bd090b7d67f0b9b5c9b2f2dad8d59af8b00e1ea8","block_sha256":"22a1cd608cedfc9857155650bd090b7d67f0b9b5c9b2f2dad8d59af8b00e1ea8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_cb4dbd83-b16f-4918-9de9-c65cd535dd3e"},{"id":"occ_2cb1135080a0a601d834c26c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_cbe8c417-b03d-47a5-8832-5910cb5cc28d","section_id":"sec_55bd731a-7842-480a-80c1-c2fa4489404f","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"M | XBM構想 |\n| 技術段階 | 量産・広範な採用 | 特許出願段階 |\n| メモリセル | 一般的なDRAMプロセス | 1T1C Backend DRAM |\n| 積層 | 複数のDRAMダイ | 8層以上を想定 |\n| 垂直配線 | TSV | TSV gutter＋HBI |\n| ダイ境界 | マイク","quote_start":16,"quote_end":175,"text_sha256":"4ee3cbd2474af92da168597d9686a74a340c7b672d9d127224051624613bddb5","block_sha256":"4ee3cbd2474af92da168597d9686a74a340c7b672d9d127224051624613bddb5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_cbe8c417-b03d-47a5-8832-5910cb5cc28d"},{"id":"occ_90e35b5fc92a7f9c1d75ae99","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_d0b85338-c5e4-40ba-9902-a140baf2a48a","section_id":"sec_f57b88b2-ea4f-474d-b801-d082e9f29e95","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"XBMは、単に「HBMより速いDRAM」を作ろうとする構想ではない。","quote_start":0,"quote_end":34,"text_sha256":"eba4eee4e66a582d712e4f4d5b8372dc1ad97f6ce945c1e1d4bd6413451edd01","block_sha256":"eba4eee4e66a582d712e4f4d5b8372dc1ad97f6ce945c1e1d4bd6413451edd01","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_d0b85338-c5e4-40ba-9902-a140baf2a48a"},{"id":"occ_22dbf89b159036dfd5739680","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_d2936896-b34e-4045-bb3b-47d28a7848eb","section_id":"sec_4024d15e-004c-4b15-8f97-fb51e6a8ef4e","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"これに対してXBMでは、1T1C型DRAMを、薄膜トランジスタを使ってバックエンド側へ形成する構造が提案されている。特許では、各メモリダイが1T1C Backend DRAMを持ち、それらを多数のデータブロックとして配置する。","quote_start":0,"quote_end":113,"text_sha256":"62ad7caafc55fd7accbab2ae59cf733872b8bddc54926585e3353d51fc9f813e","block_sha256":"62ad7caafc55fd7accbab2ae59cf733872b8bddc54926585e3353d51fc9f813e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_d2936896-b34e-4045-bb3b-47d28a7848eb"},{"id":"occ_e99e7ba385305e56101df31b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_d44c97f1-f811-47ed-b15e-03b415394f5c","section_id":"sec_8ae0fa79-83c1-4c59-9a12-3b5d8f656d9e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## Backend DRAM","quote_start":0,"quote_end":15,"text_sha256":"d37bbdcd1f0375f78a2235bb210a6cdecdec60e88c6e820f25a8553ac86a2053","block_sha256":"d37bbdcd1f0375f78a2235bb210a6cdecdec60e88c6e820f25a8553ac86a2053","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_d44c97f1-f811-47ed-b15e-03b415394f5c"},{"id":"occ_8fae9e4db06f4ffb7f982291","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_d975558f-c4e5-4d35-95ed-4be877280468","section_id":"sec_e4f843d9-420a-47c9-a7a5-21287321eac9","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"```\n現在の代表的なHBM構造\n\nDRAMダイ\n    │ TSV\nDRAMダイ\n    │ TSV\nDRAMダイ\n    │\nベースダイ\n    │\nマイクロバンプ\n    │\nシリコンインターポーザー\n    │\nGPU／AIアクセラレー","quote_start":0,"quote_end":122,"text_sha256":"395c462a3f0bf6ae21d0a51bed4e125678961e168b6f91b06ddbf3ce80e71f2b","block_sha256":"395c462a3f0bf6ae21d0a51bed4e125678961e168b6f91b06ddbf3ce80e71f2b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_d975558f-c4e5-4d35-95ed-4be877280468"},{"id":"occ_04c396f54e105d34c11b6b6e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_f454bf92-f8ac-4c1c-9be6-141025ae12b9","section_id":"sec_b8274ce8-04c3-4682-929f-9c93e44099f1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"XBMでは、DRAMダイ側を比較的規則的なメモリアレイとして作り、複雑な通信、検査、修復をベースダイへ集める。","quote_start":0,"quote_end":55,"text_sha256":"c4c5af8c6636a1bc17799dbc5ec2aa429b05d6f2d6fde8d36a885f56971d0f6f","block_sha256":"c4c5af8c6636a1bc17799dbc5ec2aa429b05d6f2d6fde8d36a885f56971d0f6f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_f454bf92-f8ac-4c1c-9be6-141025ae12b9"},{"id":"occ_83afb32925e424ab94c77b2e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_f6b47d3e-ba47-4b48-8d0f-c82f1f98d3eb","section_id":"sec_86b2c972-c7fc-420c-9c5e-5aa80130a0ae","layer":"code","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":133,"end":137,"exact":"GDDR","quote":"\n→ 3D SRAM／Memory-on-Logic\n\n大容量の共有メモリ\n→ CXLメモリ\n\n低コスト\n→ GDDR／DDR\n```","quote_start":78,"quote_end":145,"text_sha256":"eb2015963b697e1e4d45668a83f02f52cccc803f8faa1eb43aa1d9f9253ad32e","block_sha256":"eb2015963b697e1e4d45668a83f02f52cccc803f8faa1eb43aa1d9f9253ad32e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_f6b47d3e-ba47-4b48-8d0f-c82f1f98d3eb"},{"id":"occ_3657fb0704e4661c79cfe619","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_f8daf8bd-c828-48bf-bc66-35017c344804","section_id":"sec_6ccc895b-4c2f-4d84-980f-74abc7a3aaca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"とだけ説明すると、Backend DRAM、UCIe、ベースダイ、修復機能という重要な特徴が抜け落ちる。","quote_start":0,"quote_end":52,"text_sha256":"5066157c1f0e8158badfc3b9405fc336ee820add63005c287f6a8a6a8424f2de","block_sha256":"5066157c1f0e8158badfc3b9405fc336ee820add63005c287f6a8a6a8424f2de","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_f8daf8bd-c828-48bf-bc66-35017c344804"},{"id":"occ_64454bb025efd9bc34fc9c75","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5ed1cac5-83cc-4660-89c7-643aae40960d","work_id":"wrk_5b8f2ea4-f2a5-484d-9b6e-1ec16d2a1a3e","block_id":"blk_f9d824e1-f631-4d10-9ba5-f42503503dd2","section_id":"sec_8427feac-27ad-41fb-bf73-206d102d18cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"> **XBMとはHBMを単純に置き換えるメモリではない。  \n> DRAMを、修復可能で、積層可能で、UCIeへ接続できるメモリ・チップレットとして再発明しようとする構想である。**","quote_start":0,"quote_end":92,"text_sha256":"bc834862334bfece6eb6ab8fa4c8a87aad865ec91dc6c0271276a4d2f6d40b14","block_sha256":"bc834862334bfece6eb6ab8fa4c8a87aad865ec91dc6c0271276a4d2f6d40b14","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5ed1cac5-83cc-4660-89c7-643aae40960d/#blk_f9d824e1-f631-4d10-9ba5-f42503503dd2"},{"id":"occ_10916ee0be3f8c70a91a9c90","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5f90a6d0-abcb-4341-ad3f-bf14f2e88363","work_id":"wrk_aa1fc199-17d1-43c9-9656-8cee3a08fa75","block_id":"blk_49cdc2fb-bbfb-414e-b160-6e2fbff7b3d9","section_id":"sec_3e6a08ce-266c-4058-a404-f88417b4b8c3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":286,"end":290,"exact":"DRAM","quote":"・光・コネクタ       | GPUクラスタ拡大で配線と接続がボトルネック    |\n|  4 | HBM/DRAM/NAND/HDD | AIデータ量とメモリ帯域の構造需要         |\n|  5 | AIサーバー統合          | 需要は強いが競争・粗利圧力も大きい         |\n|  6 ","quote_start":231,"quote_end":390,"text_sha256":"3e25e8637ec51590406d705faca543e9cf39dbc3963312abaf39cae171455fb5","block_sha256":"3e25e8637ec51590406d705faca543e9cf39dbc3963312abaf39cae171455fb5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_5f90a6d0-abcb-4341-ad3f-bf14f2e88363/#blk_49cdc2fb-bbfb-414e-b160-6e2fbff7b3d9"},{"id":"occ_0e37ede3c1340a7fb2ea53d2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_5f90a6d0-abcb-4341-ad3f-bf14f2e88363","work_id":"wrk_aa1fc199-17d1-43c9-9656-8cee3a08fa75","block_id":"blk_8f3e7af0-a66a-4dfa-98e3-cde18316f589","section_id":"sec_71977d55-8d0a-45a8-ba4e-25e2cbe02d7c","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":32,"end":36,"exact":"DRAM","quote":"**Micron、SK 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→ 装置 → DRAM/HBM → NAND/SSD**","quote_start":0,"quote_end":33,"text_sha256":"0f56894ef7060ddc9f5173415f54ef155e693f636911541caee9142f1887e49f","block_sha256":"0f56894ef7060ddc9f5173415f54ef155e693f636911541caee9142f1887e49f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_651c50c5-c7cc-48ef-96fd-cd7a080eafc3/#blk_5ee05147-85b9-4b71-91c8-5893e9751755"},{"id":"occ_985b454d583a1c840f5fa260","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_651c50c5-c7cc-48ef-96fd-cd7a080eafc3","work_id":"wrk_31a311c5-62a1-4b1f-b65d-ea8fd946f5b1","block_id":"blk_715190e9-bc2f-477b-93fb-75c9a288d9f2","section_id":"sec_ce8b5295-8fd3-47b2-bf8d-61c497aaa0c9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"**宮城Fab＝先端DRAM/HBM用300mm 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HBM用DRAM候補","quote_start":0,"quote_end":17,"text_sha256":"6ebbc229b5ead4cf2d5ea914143185d0435c07717dc76c74d0c56d79c1abc7fc","block_sha256":"6ebbc229b5ead4cf2d5ea914143185d0435c07717dc76c74d0c56d79c1abc7fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_651c50c5-c7cc-48ef-96fd-cd7a080eafc3/#blk_85be2bfe-9a79-4b0f-8adb-aaf21c501360"},{"id":"occ_f5110d20f9e2d085c7683209","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_651c50c5-c7cc-48ef-96fd-cd7a080eafc3","work_id":"wrk_31a311c5-62a1-4b1f-b65d-ea8fd946f5b1","block_id":"blk_8a15a1e9-ae9f-4164-ad35-cf12c52ad849","section_id":"sec_111904eb-349e-452e-8c62-c584bd4bda19","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DRAM","quote":"## 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RDMAネットワーク経由で複数GPUサーバーから利用するメモリシステムである。HBMを置き換えるのではなく、KVキャッシュ、推論コンテキスト、チェックポイントなどを外部","quote_start":0,"quote_end":134,"text_sha256":"56fd540072978431d820ce5db4fbf0da10352df549932d6c57d404f52e28ad8c","block_sha256":"56fd540072978431d820ce5db4fbf0da10352df549932d6c57d404f52e28ad8c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_6f7e9f1a-6c8f-457d-8fdf-eb9746d573f8/#blk_ef7ff00d-2f1d-42c7-b098-981ef3bc2529"},{"id":"occ_afd8a3d7383edde8cc972c69","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_6f7e9f1a-6c8f-457d-8fdf-eb9746d573f8","work_id":"wrk_47518fd9-227b-40aa-9d34-6134336449b9","block_id":"blk_f3bef160-2668-4ff1-8234-f067791ea9ce","section_id":"sec_e81cda4c-d771-4030-94f0-ccb944e3ec25","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DDR5","quote":"EMFASYSでは、ACF-S、CXLメモリコントローラー、DDR5、基板、シャーシ、電源、制御ソフトウェアをまとめて提供する。","quote_start":0,"quote_end":64,"text_sha256":"895ce0a54600914cc69bb0c411ae4b72d142d11ef58be4ae4f6c494947f5f3b3","block_sha256":"895ce0a54600914cc69bb0c411ae4b72d142d11ef58be4ae4f6c494947f5f3b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_6f7e9f1a-6c8f-457d-8fdf-eb9746d573f8/#blk_f3bef160-2668-4ff1-8234-f067791ea9ce"},{"id":"occ_d74cc60e7e51f51266e22ead","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_0a64bbb1-5829-4ff4-b56b-0e298b0f8c9c","section_id":"sec_1fb83db8-1182-47da-a03f-7b8a1fe4a1ae","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":86,"end":90,"exact":"DRAM","quote":"ドでは、すべてをGPU 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Motorsは、車載向けDRAM、NANDなどの長期供給契約を発表した。Micron公式発表では、次世代車両向けのメモリー、ストレージ供給を安定化し、米国生産基盤も活用すると説明されている。Reutersは、DRAM価格が12月以降","quote_start":0,"quote_end":131,"text_sha256":"67dded8185998f5f69e11b49524d5a16e54935fd75dd70c1a225b5e21b005f43","block_sha256":"67dded8185998f5f69e11b49524d5a16e54935fd75dd70c1a225b5e21b005f43","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_0f5182e5-7123-42a9-9405-7ed5f84f6e9e"},{"id":"occ_1bea6e8f5ff5024b0b28c3ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_18007e4d-9ffa-4050-8711-aeae3b48c2e8","section_id":"sec_6b914acb-65cb-41a4-8871-fb7c3d82fd86","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"```text\nAIデータセンター需要\n  ↓\nHBM / Server DRAM / eSSDの優先配分\n  ↓\n通常DRAM、車載、産業向けメモリーの逼迫\n  ↓\n長期供給契約、前払い、戦略顧客契約\n  ↓\nメモリー投資、ODM拡張、データセンター大型化\n  ↓\n数年後の供給過","quote_start":0,"quote_end":141,"text_sha256":"842a2d582edb45427938870a704420b92fd7d1c68a4915e0e8f3eab6bb1b7c55","block_sha256":"842a2d582edb45427938870a704420b92fd7d1c68a4915e0e8f3eab6bb1b7c55","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_18007e4d-9ffa-4050-8711-aeae3b48c2e8"},{"id":"occ_9cac392cf356578e091b9804","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_1c8f4f2b-343f-4c6d-920e-fee01145c6b0","section_id":"sec_b05e408f-2dc5-4ab3-9ccb-ed4664d15f9b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"Reutersは、中国DRAMメーカーCXMTがTencentと**約29.4億ドル、3から5年**のサーバーDRAM供給契約を結んだと報じた。中国国内のAI、クラウド需要に対して、海外メモリー依存を減らす動きである。([Reut","quote_start":0,"quote_end":115,"text_sha256":"c8bfe55bc8bb83debe6c2d78680fc3f7d177408ee4e1c41505acdb1f78d29598","block_sha256":"c8bfe55bc8bb83debe6c2d78680fc3f7d177408ee4e1c41505acdb1f78d29598","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_1c8f4f2b-343f-4c6d-920e-fee01145c6b0"},{"id":"occ_9ed7f86c8021ac35313ec44b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_27cff8b7-221e-4d2c-8a64-703e04d6d6bb","section_id":"sec_1fb83db8-1182-47da-a03f-7b8a1fe4a1ae","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"```text\nGPU HBM\n  ↓ 高速だが高価で容量制約\nCXL / CPU側DRAMプール\n  ↓ HBMを補完し、GPU稼働率を支える\nNVMe SSD / 共有フラッシュ\n  ↓ 大容量データ、Warm KV、RAG\nHDD / オブジェクトストレージ\n  ↓ 低頻度データ、長期","quote_start":0,"quote_end":146,"text_sha256":"96561edaab3e892b7acec3066d8c596ad0d29e21daa84e13863ce7ae14181449","block_sha256":"96561edaab3e892b7acec3066d8c596ad0d29e21daa84e13863ce7ae14181449","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_27cff8b7-221e-4d2c-8a64-703e04d6d6bb"},{"id":"occ_d1fb2fc90601943d5d38c670","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_2c77b1b6-588a-4094-bab6-fa0cfafea675","section_id":"sec_2dee2dd7-3927-4733-b8ac-07b70257bb48","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMの価格上昇率が鈍化しても、熱が消えたわけではありません。","quote_start":0,"quote_end":32,"text_sha256":"c66397a823079662bbcf3f77898f86c4fe59fbf18167c99684975c6ac1781403","block_sha256":"c66397a823079662bbcf3f77898f86c4fe59fbf18167c99684975c6ac1781403","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_2c77b1b6-588a-4094-bab6-fa0cfafea675"},{"id":"occ_6fe777e379311541d07f482c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_2e931f4f-b381-45ac-b7a5-9214333a2fcf","section_id":"sec_9fb15af7-5866-4947-9f7c-1e2fd3c0e62f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":79,"end":83,"exact":"DRAM","quote":"- | --- |\n| HBM | GPU、AI ASIC、CoWoS、先端パッケージ |\n| Server DRAM | RDIMM、MRDIMM、CXL、CPUサーバー |\n| NAND / eSSD | RAG、KVキャッシュ、チェックポイント、動画生成 |\n| 車載メモリー | ADAS、SDV、長期認証、供","quote_start":24,"quote_end":183,"text_sha256":"f08b44ba1b61a6d970217de6b2d6ce8f1100bf27779aab99b022f1c4113300b2","block_sha256":"f08b44ba1b61a6d970217de6b2d6ce8f1100bf27779aab99b022f1c4113300b2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_2e931f4f-b381-45ac-b7a5-9214333a2fcf"},{"id":"occ_823f18d9133a925b59c988a6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_35c32a72-4f75-4f9b-b8fe-6cb93c23caf5","section_id":"sec_f4cf2517-cc36-46b0-93bc-42d8e675634d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DRAM","quote":"ーだけの話ではない。AI向け需要がメモリー供給を吸収すると、車載メーカーも、将来の車両プラットフォームに必要なDRAMとNANDを短期調達だけに任せられなくなる。","quote_start":12,"quote_end":93,"text_sha256":"44235740a3716b3d7909c8af3eef07c400cb610c8bd36d085ff4a9d473503518","block_sha256":"44235740a3716b3d7909c8af3eef07c400cb610c8bd36d085ff4a9d473503518","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_35c32a72-4f75-4f9b-b8fe-6cb93c23caf5"},{"id":"occ_b1372fbffb15f35b6f1d226b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_4802e545-4fcf-4004-b729-7fa1a43a9df3","section_id":"sec_90c7f189-16b5-4e03-81da-feb71c614d61","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":28,"end":32,"exact":"DRAM","quote":"TrendForce系の報道では、2026年第3四半期のDRAM市場は依然として極めてタイトだが、契約価格の上昇率は**前四半期比13から18％**に鈍化する見通しとされている。背景には、AIサーバー向けServer DRAM、RDIMM需要が強い一方、スマートフ","quote_start":0,"quote_end":132,"text_sha256":"466f672ba545637a32e4c5a78d02ba4c2faaa101d26337ea1dbb4e0a3a1e9d4c","block_sha256":"466f672ba545637a32e4c5a78d02ba4c2faaa101d26337ea1dbb4e0a3a1e9d4c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_4802e545-4fcf-4004-b729-7fa1a43a9df3"},{"id":"occ_1fcd3a42346f705cc417de7a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_4a90dc16-0d0a-4434-9ca7-a62ebe9f0dd4","section_id":"sec_b05e408f-2dc5-4ab3-9ccb-ed4664d15f9b","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":35,"end":39,"exact":"DRAM","quote":"中国AIインフラの制約は、NVIDIA GPUの輸出規制だけではない。DRAM、HBM、先端パッケージ、ネットワーク、電力、冷却、サーバー組立も、主権AIの構成要素になる。CXMTはDDR5歩留まりなどで課題を抱える一方、サーバーDRAMを国内クラウドへ長期供給できれば、中国A","quote_start":0,"quote_end":139,"text_sha256":"c3198f5e2a7d90fe8cd0523b08162805f51a5352055a97aad2914ce76c311681","block_sha256":"c3198f5e2a7d90fe8cd0523b08162805f51a5352055a97aad2914ce76c311681","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_4a90dc16-0d0a-4434-9ca7-a62ebe9f0dd4"},{"id":"occ_d5d962e67e120e11a9f2d5cf","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_7713927a-81c1-498b-ac9d-19cdf784d1cd","section_id":"sec_d6b15d59-5cad-46cc-a637-157cfad33726","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"材料は多い。DRAM契約価格はまだ上がるが上昇率は鈍化し、SK hynixは韓国で約640億ドル規模のメモリー投資を進める。MicronとGMは車載向けメモリーの長期供給契約を結び、中国ではCXMTがTencent向けに","quote_start":0,"quote_end":110,"text_sha256":"23a3576112abd346ae2ec048261a87630d0679c30463a44120f4c62b871d35e8","block_sha256":"23a3576112abd346ae2ec048261a87630d0679c30463a44120f4c62b871d35e8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_7713927a-81c1-498b-ac9d-19cdf784d1cd"},{"id":"occ_3fd4ea2b6a3f4ec5447b74cd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_8ba06468-5c39-488d-85b5-44835dd6d77a","section_id":"sec_69efedd6-9f39-4003-9f3b-abc26aa274ff","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"1. DRAM Q3契約価格がTrendForce予想の13から18％に収まるか。\n2. SK hynixの清州投資に対して、SamsungとMicronが追加投資や長期契約をどう示すか。\n3. Micronが報告","quote_start":0,"quote_end":107,"text_sha256":"92deb95be3cd59375911d845474cdb2e93981a210c8061e77e5c7bf54c6c828a","block_sha256":"92deb95be3cd59375911d845474cdb2e93981a210c8061e77e5c7bf54c6c828a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_8ba06468-5c39-488d-85b5-44835dd6d77a"},{"id":"occ_bffff0581113cf25c86f561f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_8ce9ba83-4042-4a08-a8f4-41f5c5c8095b","section_id":"sec_2dee2dd7-3927-4733-b8ac-07b70257bb48","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":69,"end":73,"exact":"DRAM","quote":"うに見ています。スポット市場の炎ではなく、長期契約という炉の中へ移った。HBMが上流のウェハーを吸い、サーバーDRAMがラックを支え、NANDとSSDがAIの記憶を広げ、車載メーカーまで将来分のメモリーを囲い込み始めた。","quote_start":14,"quote_end":124,"text_sha256":"f539aa90796d7b78ec0b036c16f6d7ac035a9d199e6787c2ee750e4a45700953","block_sha256":"f539aa90796d7b78ec0b036c16f6d7ac035a9d199e6787c2ee750e4a45700953","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_8ce9ba83-4042-4a08-a8f4-41f5c5c8095b"},{"id":"occ_cd0a5e94e1a325a46cfb2493","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_92373f89-23ff-4162-b71e-1243623408f6","section_id":"sec_6af425e7-ac7f-40dd-83d5-0f7fc8072133","layer":"character","character_id":"sil_kathna","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":48,"end":52,"exact":"DRAM","quote":"それは都市の水脈であり、工場の炉であり、車両の神経であり、雲の中に置かれた長い書庫である。人々はDRAM、HBM、NAND、CXLと名づけるが、私にはそれらが、計算する文明の血管に見える。","quote_start":0,"quote_end":94,"text_sha256":"ff5f2bee22b89e2b6f63bd914bb67a5124f2af7f3b23364aa94985787052ad6a","block_sha256":"ff5f2bee22b89e2b6f63bd914bb67a5124f2af7f3b23364aa94985787052ad6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_92373f89-23ff-4162-b71e-1243623408f6"},{"id":"occ_6773af42864d1908be3cfabe","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_a6172260-ee2d-4b8d-a804-3a27250b6bdb","section_id":"sec_90c7f189-16b5-4e03-81da-feb71c614d61","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 1. DRAMはQ3も逼迫するが、価格上昇率は鈍化する","quote_start":0,"quote_end":30,"text_sha256":"049f9c4d6f5e80ff9fcb7e598bfa2b64d64bc7e361093a709e86fc760f24b149","block_sha256":"049f9c4d6f5e80ff9fcb7e598bfa2b64d64bc7e361093a709e86fc760f24b149","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_a6172260-ee2d-4b8d-a804-3a27250b6bdb"},{"id":"occ_be5e2472899247f95e20ab5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_a86fc402-e7b6-4955-9f59-4a5e232b51bd","section_id":"sec_b05e408f-2dc5-4ab3-9ccb-ed4664d15f9b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":57,"end":61,"exact":"DRAM","quote":"ではSamsung、SK hynix、Micronとの技術差が残る。それでも、Tencentが複数年契約で国内DRAMを確保する意味は大きい。これは「最先端性能だけで勝つ」競争ではなく、「制約下でも動く供給網を作る」競争である。","quote_start":2,"quote_end":116,"text_sha256":"fede6bb635a0bdf3c19f2b1a1e560f8a817fd789c44caf72aadb9ecc19ca97f3","block_sha256":"fede6bb635a0bdf3c19f2b1a1e560f8a817fd789c44caf72aadb9ecc19ca97f3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_a86fc402-e7b6-4955-9f59-4a5e232b51bd"},{"id":"occ_1caa1a50082c56bba33d01ba","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_ba552461-f0bc-447f-b734-2731cb7ae14f","section_id":"sec_1fb83db8-1182-47da-a03f-7b8a1fe4a1ae","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"ks & Filesは、LiqidのCXLメモリープーリング製品EX-5410Cについて、最大**100TBのDRAMを最大32ノードで共有**し、約**200ns**のアクセスレイテンシをうたうと報じた。([Blocks & Files][8])","quote_start":4,"quote_end":128,"text_sha256":"1e65c79245f1dffeee17bd604fbe6beff5d7e9068e8762e7466b5e45d07bce14","block_sha256":"1e65c79245f1dffeee17bd604fbe6beff5d7e9068e8762e7466b5e45d07bce14","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_ba552461-f0bc-447f-b734-2731cb7ae14f"},{"id":"occ_8f68c9d49102b0406d08512c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_c50d8c1b-bf2e-4e58-92b4-a717e2371208","section_id":"sec_90c7f189-16b5-4e03-81da-feb71c614d61","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DDR5","quote":"AI需要はHBMだけを吸い上げているのではない。通常サーバー用DDR5、RDIMM、LPDDR、SSD内部用DRAMまで供給網の中で押し合っている。HBM向けに先端DRAMウェハーが振り向けられるほど、通常DRAMの余力は薄くなる。","quote_start":0,"quote_end":116,"text_sha256":"903522f6416c058608d542774bb3ca4579189a27ab2ed07fe1fe8669fbd3b0b9","block_sha256":"903522f6416c058608d542774bb3ca4579189a27ab2ed07fe1fe8669fbd3b0b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_c50d8c1b-bf2e-4e58-92b4-a717e2371208"},{"id":"occ_ca3843d3b4d3c4929e00b274","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_ca32cb81-5d44-4f41-b45a-6ebb415652f9","section_id":"sec_e0053794-6e65-4ce9-94fd-0eeb5cfae4b4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":43,"end":47,"exact":"DRAM","quote":"**Sil-Kathna:** ひとつの不足は、いつも別の扉を開く。HBMが足りぬ時、DRAMが揺れ、NANDが呼ばれ、電力が土地へ降りる。","quote_start":0,"quote_end":70,"text_sha256":"2dae8efd167a43ba597fe19d1e82c429f66c5644e6e024bda6782d551f7fb161","block_sha256":"2dae8efd167a43ba597fe19d1e82c429f66c5644e6e024bda6782d551f7fb161","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_ca32cb81-5d44-4f41-b45a-6ebb415652f9"},{"id":"occ_e9ca3f74740a6e8b5ad8b984","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_d2292843-bc4c-4003-8894-c25dd693479f","section_id":"sec_1fb83db8-1182-47da-a03f-7b8a1fe4a1ae","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"GPUのHBM容量だけでは足りないワークロードでは、CPU側DRAMや外部メモリープールをどう使うかが重要になる。CXLメモリープーリングはHBM需要を置き換えるというより、HBMを補完し、GPUを遊ばせないための技術である。","quote_start":0,"quote_end":113,"text_sha256":"b89cf08a0907550cafd4b1140b9c145934856150f81fca3692331b1a63f9d4cf","block_sha256":"b89cf08a0907550cafd4b1140b9c145934856150f81fca3692331b1a63f9d4cf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_d2292843-bc4c-4003-8894-c25dd693479f"},{"id":"occ_3807d79a693bf8e4b6c01d72","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_e935a15b-232e-433f-a5c2-42a29abf3e3e","section_id":"sec_d6b15d59-5cad-46cc-a637-157cfad33726","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DRAM","quote":"月4日分として整理するAIインフラ材料は、ひとことで言えば、**AIメモリー相場が「一過性のHBM不足」から「DRAM、NAND、車載、サーバーまで巻き込む長期契約サイクル」へ移っている**ことを示している。","quote_start":6,"quote_end":110,"text_sha256":"cf944ff9a05f2e3b8ee50fe1d771a1e88c8d998fe9588fa1c91b0dfb215d86c7","block_sha256":"cf944ff9a05f2e3b8ee50fe1d771a1e88c8d998fe9588fa1c91b0dfb215d86c7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_e935a15b-232e-433f-a5c2-42a29abf3e3e"},{"id":"occ_18a2b96c685484e3601b887a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_70df7bb7-127f-4402-9374-f897f873bafb","work_id":"wrk_bd032fe1-66fd-4ecd-a7db-e046051c8671","block_id":"blk_f6ba1a63-97d4-4b21-9ff1-6aeac478047e","section_id":"sec_90c7f189-16b5-4e03-81da-feb71c614d61","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":72,"end":76,"exact":"DRAM","quote":"- | --- |\n| HBM需要 | GPU、AI ASIC向けの高帯域メモリー需要 |\n| Server DRAM | CPUサーバー、AIサーバー、メモリ拡張向け需要 |\n| 民生DRAM | PC、スマホ、車載、産業機器のコスト圧力 |\n| 価格上昇率鈍化 | 供給回復よりも、高価格による需要抑制の可能性 |","quote_start":17,"quote_end":176,"text_sha256":"3a366f981899735aa9b01593831681ef61d438b67874b581cc1a0e46d9bc4d01","block_sha256":"3a366f981899735aa9b01593831681ef61d438b67874b581cc1a0e46d9bc4d01","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_70df7bb7-127f-4402-9374-f897f873bafb/#blk_f6ba1a63-97d4-4b21-9ff1-6aeac478047e"},{"id":"occ_84f463980a0e4a901b9f5a23","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_716e29e3-ca33-4e0a-89d8-a4c146c91139","work_id":"wrk_6b2d4c96-c0d4-4d57-8d9e-9077ea538a79","block_id":"blk_2dba22dc-62ac-40ef-9265-ed30d590d863","section_id":"sec_76f28170-eed6-4499-8aaa-b4d1f402a664","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"```\nAIインフラ供給網の需給転換を調査してください。\n\n対象期間：\n対象分野：\nGPU、HBM、DRAM、NAND、先端パッケージ、AIサーバー、\nネットワーク、光通信、電力、冷却、データセンター\n\n情報源は以下を優先してください。\n\nTrendForce\n企業IR\nSEC提出書類\nDIGITIMES\n","quote_start":0,"quote_end":154,"text_sha256":"18a309061dc7ceb3f3c70bb33ff700ca4e8addd7fd7c0927a11094a977ed2554","block_sha256":"18a309061dc7ceb3f3c70bb33ff700ca4e8addd7fd7c0927a11094a977ed2554","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_716e29e3-ca33-4e0a-89d8-a4c146c91139/#blk_2dba22dc-62ac-40ef-9265-ed30d590d863"},{"id":"occ_b7f7849fe5f6fb9064c89bca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_716e29e3-ca33-4e0a-89d8-a4c146c91139","work_id":"wrk_6b2d4c96-c0d4-4d57-8d9e-9077ea538a79","block_id":"blk_b9d4a2e5-9e1a-4cb6-9d9c-0d85a81fb36d","section_id":"sec_bdfbb24c-17bb-4589-b0f4-ffe752e268dc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"TrendForceはHBM、DRAM、NANDの価格、在庫、供給を追ううえで非常に重要である。しかし、AI投資全体を見るには、供給側だけでなく資金の入口と出口を追う必要がある。","quote_start":0,"quote_end":89,"text_sha256":"38d7ce16b61948f8415fb33279bd99079af1d78add95c84c15bdfd69ba59a533","block_sha256":"38d7ce16b61948f8415fb33279bd99079af1d78add95c84c15bdfd69ba59a533","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_716e29e3-ca33-4e0a-89d8-a4c146c91139/#blk_b9d4a2e5-9e1a-4cb6-9d9c-0d85a81fb36d"},{"id":"occ_cea1bd95e595ed6b82996878","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_716e29e3-ca33-4e0a-89d8-a4c146c91139","work_id":"wrk_6b2d4c96-c0d4-4d57-8d9e-9077ea538a79","block_id":"blk_ef704f19-147b-49b5-8dde-a210378a240d","section_id":"sec_8f5442c2-a2a4-42f5-bfae-3d32c6c82dd9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"その結果、Ciscoのルーターやスイッチ、IntelのCPU、DRAM、サーバー、ストレージ、光通信部品が売れた。Ciscoの2000年度売上高は前年比55％増の189億ドル、プロフォーマ利益も56％増だった。少なくともピーク直前の設備会社の決算は、バブル崩壊を示すどこ","quote_start":0,"quote_end":135,"text_sha256":"381ac8ef7f099fa2b2b8806ef4041083b10e203c6334e4b77aa190a3c89315a2","block_sha256":"381ac8ef7f099fa2b2b8806ef4041083b10e203c6334e4b77aa190a3c89315a2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_716e29e3-ca33-4e0a-89d8-a4c146c91139/#blk_ef704f19-147b-49b5-8dde-a210378a240d"},{"id":"occ_4f3244a27aff739c09f65169","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_716e29e3-ca33-4e0a-89d8-a4c146c91139","work_id":"wrk_6b2d4c96-c0d4-4d57-8d9e-9077ea538a79","block_id":"blk_fd6c3ef6-b0a8-42f8-9190-80b2cababc6a","section_id":"sec_8a88aea3-46f4-46a1-99c2-2c55c6371095","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"```\nHBM contract price shipment inventory TrendForce\nDRAM bit shipment ASP inventory days\nNAND enterprise SSD demand price\nCoWoS capacity utilization lead ti","quote_start":0,"quote_end":157,"text_sha256":"1eeed3a755ac39b53a2aabd9ee71852cdad1d6edfd37f20883c968157fbf415c","block_sha256":"1eeed3a755ac39b53a2aabd9ee71852cdad1d6edfd37f20883c968157fbf415c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_716e29e3-ca33-4e0a-89d8-a4c146c91139/#blk_fd6c3ef6-b0a8-42f8-9190-80b2cababc6a"},{"id":"occ_3a6f96d80f470d859c9deb6a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_73f07a40-b588-4fa6-bf2b-2880462e214c","work_id":"wrk_83edd5a9-4c70-4085-ba5b-602f9d005928","block_id":"blk_0681013a-9efd-4924-959e-a0785de16f30","section_id":"sec_802c711e-b977-409c-94f1-6558954a00e0","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"**DRAM / CPU：一つのCPUにどれだけServer DRAMが付くか**","quote_start":0,"quote_end":41,"text_sha256":"0bd07e1a19317ba60992313bffc7357c6d69efe20231c88b08a0747559d41790","block_sha256":"0bd07e1a19317ba60992313bffc7357c6d69efe20231c88b08a0747559d41790","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_0681013a-9efd-4924-959e-a0785de16f30"},{"id":"occ_4219a4552e7f093d4761f300","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_73f07a40-b588-4fa6-bf2b-2880462e214c","work_id":"wrk_83edd5a9-4c70-4085-ba5b-602f9d005928","block_id":"blk_13ccb261-3b22-49a0-b671-740c25c96802","section_id":"sec_85c4b5fc-5734-43e8-b1d5-c2d381beaa9d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMもNANDも常に同じPrice Cycleになるわけではない。","quote_start":0,"quote_end":35,"text_sha256":"5c28213c8b546c6fabfea145a56c0504d52f01698bd652b77eaec46d47586885","block_sha256":"5c28213c8b546c6fabfea145a56c0504d52f01698bd652b77eaec46d47586885","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_13ccb261-3b22-49a0-b671-740c25c96802"},{"id":"occ_ca415724d161ca9308501957","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_73f07a40-b588-4fa6-bf2b-2880462e214c","work_id":"wrk_83edd5a9-4c70-4085-ba5b-602f9d005928","block_id":"blk_1e57c549-7362-4a0a-a04f-3f65c09305ca","section_id":"sec_7e96ddb6-0f8a-40c3-801d-6a1251ca5b59","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"**Server 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\nCPU一個あたりDRAM搭載量。","quote_start":0,"quote_end":33,"text_sha256":"eac4087a2c5ab9f0291e5179c65e532a4dc211273f40cc39462d996194b11e34","block_sha256":"eac4087a2c5ab9f0291e5179c65e532a4dc211273f40cc39462d996194b11e34","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_d8d6fd30-2549-4079-af59-a7b7a63b8d49"},{"id":"occ_ac95ef40ce09000141600cdf","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_73f07a40-b588-4fa6-bf2b-2880462e214c","work_id":"wrk_83edd5a9-4c70-4085-ba5b-602f9d005928","block_id":"blk_db8e1220-dd49-483d-90f1-f1e6b67321e2","section_id":"sec_658e3a48-a561-4a0f-b5ac-8ad6a0eb7b64","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"Server 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DRAMも増える。","quote_start":0,"quote_end":24,"text_sha256":"ad958bea70ac203a042e36bb355dbfeee5f1818c1f82be5d04be7088ccad3d89","block_sha256":"ad958bea70ac203a042e36bb355dbfeee5f1818c1f82be5d04be7088ccad3d89","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_73f07a40-b588-4fa6-bf2b-2880462e214c/#blk_fcb12dd7-966d-4969-a340-caf60edef011"},{"id":"occ_39eaf9df8e220a267c221dcc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_34674c25-2e1c-4075-89e5-18864ce442cf","section_id":"sec_3d266c17-8ba5-47e1-822b-5135b00fe58d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":261,"end":265,"exact":"DRAM","quote":"設計も重要になる。\n- HBMはAI GPUのBOMを大きく左右する高単価部材になっている。\n- HBM供給はDRAM、積層、先端パッケージ、冷却、顧客認証が絡むため、単純な増産では解けない。\n- AIインフラの性能上限は、GPUだけでなく、記憶帯域と熱設計にも制約される。","quote_start":206,"quote_end":343,"text_sha256":"614314e48617cbaf2a56bd5310e5f1c001b17bc6ae12886f9adfaf2e142cf4fc","block_sha256":"614314e48617cbaf2a56bd5310e5f1c001b17bc6ae12886f9adfaf2e142cf4fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_34674c25-2e1c-4075-89e5-18864ce442cf"},{"id":"occ_8c730f45fc12ae79a18a63fa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_8d3f02d2-db3c-4c2d-b5a2-8355104fed21","section_id":"sec_b16b908f-7a43-4465-aef8-1850d5a0110d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"HBMは、単なる高速DRAMではない。","quote_start":0,"quote_end":19,"text_sha256":"aeff74446a4528b9987e99c799a961cd6a8795f69a547462277830418aa9bc80","block_sha256":"aeff74446a4528b9987e99c799a961cd6a8795f69a547462277830418aa9bc80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_8d3f02d2-db3c-4c2d-b5a2-8355104fed21"},{"id":"occ_d80959540c0cb617e5d20f0e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_8da2d26c-53d0-44ad-9332-a285e036e592","section_id":"sec_791a5e3c-6f37-4cad-9675-3dca0307a4d8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"したがってHBMの供給制約は、単に「DRAMラインを増やせば解決する」ものではない。ウェハ、積層、パッケージング、冷却、顧客認証、GPU側ロードマップの全てが揃わなければ、AI GPU向けHBMとして出荷できない。","quote_start":0,"quote_end":107,"text_sha256":"390f0bb379f428258df02eea9dc318268383a493da108d1d322d9c63b16c5f96","block_sha256":"390f0bb379f428258df02eea9dc318268383a493da108d1d322d9c63b16c5f96","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_8da2d26c-53d0-44ad-9332-a285e036e592"},{"id":"occ_1d453449c81a49736d20b435","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_cf4cd2e6-4c5b-414a-8195-f2904b6e2f67","section_id":"sec_791a5e3c-6f37-4cad-9675-3dca0307a4d8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"| 制約 | 何が難しいのか |\n| --- | --- |\n| DRAMダイ積層 | 積層数が増えるほど欠陥が全体歩留まりに効く |\n| ベースダイ高度化 | HBM4以降は顧客ごとのロジック設計やGPU側最適化が重くなる |\n| 先端パッケージング | CoWoS、2.","quote_start":0,"quote_end":137,"text_sha256":"a4cc70cf9dbfd93d9d0597eb0d43fc79676e949317bab13fc528668ab968cb19","block_sha256":"a4cc70cf9dbfd93d9d0597eb0d43fc79676e949317bab13fc528668ab968cb19","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_cf4cd2e6-4c5b-414a-8195-f2904b6e2f67"},{"id":"occ_04fd89a834c109b0e4f21a92","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_d2aeb046-ce24-4fac-9404-5b5e91a7b4f4","section_id":"sec_3135ef67-9996-49ac-9d1e-3b1eff74c5d1","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBMは、普通のDRAMのように簡単に増産できない。DRAMダイの製造だけでなく、TSV、積層、ベースダイ、MR-MUFやTC-NCF、先端パッケージング、顧客認証、GPU側との共同設計が必要になる。さらにHBM4では顧客専","quote_start":0,"quote_end":112,"text_sha256":"32dd9ccf97affc20f78f7bca835124f1d1ad9be05070ce8e38fc050d27216dd6","block_sha256":"32dd9ccf97affc20f78f7bca835124f1d1ad9be05070ce8e38fc050d27216dd6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_d2aeb046-ce24-4fac-9404-5b5e91a7b4f4"},{"id":"occ_036f8ff0dfbd8f0fde53ebe8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_f2851f37-adce-43cc-8a3d-03c9daa057a1","section_id":"sec_57fdfde0-cca2-45cc-b2b7-72a4289d2824","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":90,"end":94,"exact":"DRAM","quote":"の略で、HBMのベースダイとGPU/AIアクセラレータをつなぐ物理インターフェースである。HBM内部に積まれたDRAMダイのデータは、TSVを通ってベースダイへ集められ、そこからD2D PHYを通じてGPUへ渡される。","quote_start":35,"quote_end":144,"text_sha256":"133a33e7b6697882e001415194d6d2cdd3487a450b04be0aa133d9db697e6fb2","block_sha256":"133a33e7b6697882e001415194d6d2cdd3487a450b04be0aa133d9db697e6fb2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_f2851f37-adce-43cc-8a3d-03c9daa057a1"},{"id":"occ_a2570ff9825b18a61435a468","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_78657238-b40f-4a7c-b670-325df3688f39","work_id":"wrk_70fbeeef-5587-4e6a-a017-b7e323d0b279","block_id":"blk_fe6a0f61-43ff-4c03-9532-189c13e69422","section_id":"sec_3135ef67-9996-49ac-9d1e-3b1eff74c5d1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM業界は長く、景気循環の激しいコモディティ産業と見られてきた。供給過剰になれば価格が崩れ、メーカーの利益率も大きく下がる。それが従来のメモリサイクルだった。","quote_start":0,"quote_end":81,"text_sha256":"ec29d7c6764afa7c033fcf3d8eafaa7d9bd2f15eb829fe22275eafaf6ed1a444","block_sha256":"ec29d7c6764afa7c033fcf3d8eafaa7d9bd2f15eb829fe22275eafaf6ed1a444","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_78657238-b40f-4a7c-b670-325df3688f39/#blk_fe6a0f61-43ff-4c03-9532-189c13e69422"},{"id":"occ_8c7039649c88ded51b95eb78","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_0353c979-4eb3-4bd2-a404-4954fbc8c902","section_id":"sec_5356cd89-e5d4-477d-ad2b-4ce3b6e4f161","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"性能がDRAM帯域、GPU性能、I/O性能で決まっている場合、L3容量だけを増やしても改善しない。","quote_start":0,"quote_end":49,"text_sha256":"fb1c30dca14bbd2a8b7cad3fdb9071f8b8b1951960f496d45efc5239ce9ce5dd","block_sha256":"fb1c30dca14bbd2a8b7cad3fdb9071f8b8b1951960f496d45efc5239ce9ce5dd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_0353c979-4eb3-4bd2-a404-4954fbc8c902"},{"id":"occ_119c799e064aae9457203ca3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_1ea9d1ac-7aeb-4c7e-8687-8d016de2df72","section_id":"sec_f8e14ff3-bb20-4010-8962-e256f73dd421","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM","quote_start":0,"quote_end":7,"text_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","block_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_1ea9d1ac-7aeb-4c7e-8687-8d016de2df72"},{"id":"occ_42f7cfa62f9d1601b60c77ca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_6560c408-044a-4510-b4fb-5eb026981829","section_id":"sec_98e1dbcd-9234-4bc4-953c-523a1ae8ed80","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"必要なデータがキャッシュに存在しなければ、より遠いDRAMへアクセスしなければならない。","quote_start":0,"quote_end":44,"text_sha256":"02c5a912d9d305b9e09512b950c7f2006df1f5ac6344f9d9321c235f554bcd29","block_sha256":"02c5a912d9d305b9e09512b950c7f2006df1f5ac6344f9d9321c235f554bcd29","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_6560c408-044a-4510-b4fb-5eb026981829"},{"id":"occ_95481dd93c77e78a40e2d19c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_6bd16122-e5ca-4bd0-96fd-4a71b4a5680b","section_id":"sec_a35a1137-37f2-4d56-b623-9c95578dddc1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"- 容量当たりの面積が大きい\n- リフレッシュ不要\n- 高速\n- CPUコアに近い\n- DRAMアクセスを減らすために使われる","quote_start":0,"quote_end":63,"text_sha256":"3824e93ee3cb8e94646750518f8a0654df7d64b755ebdaac5bfb5f1f407d6d60","block_sha256":"3824e93ee3cb8e94646750518f8a0654df7d64b755ebdaac5bfb5f1f407d6d60","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_6bd16122-e5ca-4bd0-96fd-4a71b4a5680b"},{"id":"occ_aefe97a6c8ab35d42589a559","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_a180b5d4-0d02-4df9-8b22-6ed8b37460fb","section_id":"sec_a35a1137-37f2-4d56-b623-9c95578dddc1","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":65,"end":69,"exact":"DRAM","quote":"   ↓\nL1\n   ↓\nL2\n   ↓\nCCD内L3 ＋ 3D積層L3\n   ↓\nI/O Die\n   ↓\nDRAM\n```","quote_start":10,"quote_end":73,"text_sha256":"4879bf4090e4511e811af6773c284e7be7df5e77ea60916ea8dbcc480cee5c5d","block_sha256":"4879bf4090e4511e811af6773c284e7be7df5e77ea60916ea8dbcc480cee5c5d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_a180b5d4-0d02-4df9-8b22-6ed8b37460fb"},{"id":"occ_bbef7db3f41bf08a566b1d14","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_b9adb432-fcd2-4a04-afb7-70a40241ca49","section_id":"sec_98e1dbcd-9234-4bc4-953c-523a1ae8ed80","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMアクセスのペナルティーは大きいため、L3キャッシュ容量を増やしてミス率を少し下げるだけでも、性能が大きく改善する場合がある。","quote_start":0,"quote_end":66,"text_sha256":"540383f6ee254807f689fec29c5ce5089edef32cf8b7c70bd169ee39c57962f2","block_sha256":"540383f6ee254807f689fec29c5ce5089edef32cf8b7c70bd169ee39c57962f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_b9adb432-fcd2-4a04-afb7-70a40241ca49"},{"id":"occ_c3a119af807120db7add4e5a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_793e83db-98e9-4062-b995-36674ef0d72b","work_id":"wrk_3360cbbd-2ca7-4c81-b55c-c9ea15bca260","block_id":"blk_fadd5b42-25d8-4211-b6e5-5446503ba19b","section_id":"sec_5a70226f-2b27-4b97-bfbd-f81ce7d562dc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"3D V-Cacheのキャッシュダイは、一般的なDIMM上のDRAMとは役割が異なる。","quote_start":0,"quote_end":43,"text_sha256":"577f9fb3ecd392f46a91b1bcd403da111fd5fa7bd6231107034b15108f98ffd9","block_sha256":"577f9fb3ecd392f46a91b1bcd403da111fd5fa7bd6231107034b15108f98ffd9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_793e83db-98e9-4062-b995-36674ef0d72b/#blk_fadd5b42-25d8-4211-b6e5-5446503ba19b"},{"id":"occ_2adc689a42afca414d19e71c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_497558e3-ce6c-4415-9dcb-01b1a3c323c7","section_id":"sec_bc2fccd5-c0e6-4fdf-8914-ba2bf6314dce","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DRAM","quote":"チャージトラップと呼ばれる構造に電荷を蓄積し、その電荷状態を読み取ることで0と1を表現する。書き換え可能だが、DRAMのように自由に上書きするのではなく、一定のまとまりで消去してから書き込む必要がある。","quote_start":12,"quote_end":113,"text_sha256":"991cdef490d013f029c2634d5e96b729cbf5b80314515aa9ad4491a71a272685","block_sha256":"991cdef490d013f029c2634d5e96b729cbf5b80314515aa9ad4491a71a272685","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_497558e3-ce6c-4415-9dcb-01b1a3c323c7"},{"id":"occ_67f0c30102fd99f350f1b9ea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_4f86733e-de8a-4686-b076-fbaa2f07ac46","section_id":"sec_ce7cfe24-b186-4219-86a3-2212302c9855","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"界最大手で、Serial NORの製品群と顧客基盤が強い。自社工場を持ち、NORだけでなくSpecialty DRAM、Mobile DRAM、SLC NAND、HyperRAMなども展開する。","quote_start":4,"quote_end":101,"text_sha256":"50aedbef44f15d61610cbf080adfafda3632f7e4430ce964d80dbcc4f92fc055","block_sha256":"50aedbef44f15d61610cbf080adfafda3632f7e4430ce964d80dbcc4f92fc055","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_4f86733e-de8a-4686-b076-fbaa2f07ac46"},{"id":"occ_058007701c206e833db93db4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_58ef8447-410b-4c3e-9524-dfc9ce10497a","section_id":"sec_31f68620-0fca-49f2-ba1c-6a56c878b6d0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":111,"end":115,"exact":"DRAM","quote":"補充と供給不安による先回り発注\n- メーカーが成熟ノードの大規模増産を行っていないこと\n- 設備投資がHBM、DRAM、先端3D NANDへ優先配分されていること\n- 低容量品やSLC NANDから撤退するメーカーが増えていること\n- 長期契約、選別受注、稼働率管理による供給規律","quote_start":56,"quote_end":196,"text_sha256":"1f8c2fa0504031a0e5fed3a3d3a83d0b3f51daa1bd86a445bc76fa309e413abb","block_sha256":"1f8c2fa0504031a0e5fed3a3d3a83d0b3f51daa1bd86a445bc76fa309e413abb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_58ef8447-410b-4c3e-9524-dfc9ce10497a"},{"id":"occ_66e2c7a4362d1d216867a9e0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_67abd5b4-67a0-4290-ae67-6f67b9f9077d","section_id":"sec_2164c8f9-d6a2-4c75-96d6-ecbf7d6bf1fd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"NANDにも供給規律はある。主要メーカーは2026年に大規模な新規能力をほとんど追加せず、設備投資をDRAMとHBMへ優先している。","quote_start":0,"quote_end":66,"text_sha256":"9aee1971df00c4276262b91a9861c04a9b12e3c90d3dff60d6e7b98bf15b035d","block_sha256":"9aee1971df00c4276262b91a9861c04a9b12e3c90d3dff60d6e7b98bf15b035d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_67abd5b4-67a0-4290-ae67-6f67b9f9077d"},{"id":"occ_b951b0bdd363589d1c87d8b7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_6a6ecf91-a333-4fd3-a499-9bda60d4f427","section_id":"sec_73fdc8e7-ca30-467f-890c-41e02d3bb092","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DDR5","quote":"メモリメーカーは、利益額の大きいHBM、DDR5、LPDDR、先端3D NAND、エンタープライズSSDを優先する。成熟ノードのNORやSLC NANDへ追加投資する優先順位は下がる。","quote_start":0,"quote_end":92,"text_sha256":"aae6351168974cc1bdbefe6228885b18dee3baa76fb6e19b2741dd3d5e013627","block_sha256":"aae6351168974cc1bdbefe6228885b18dee3baa76fb6e19b2741dd3d5e013627","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_6a6ecf91-a333-4fd3-a499-9bda60d4f427"},{"id":"occ_fc96ef803e75d88071fd1f5e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_78e56030-7885-40e8-8646-d9b8a8afc3b7","section_id":"sec_d49fb36c-891b-4a1f-8b56-54889e825b69","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"GigaDeviceもNORに加えてMCU、DRAM、センサーなどを扱うファブレス企業である。Q1の増益にはNORの量価上昇だけでなく、MCU出荷増も含まれる。","quote_start":0,"quote_end":80,"text_sha256":"2c4778a2d8c49f91021be3d097d225986211d91cdff73ea454872e2e0b074215","block_sha256":"2c4778a2d8c49f91021be3d097d225986211d91cdff73ea454872e2e0b074215","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_78e56030-7885-40e8-8646-d9b8a8afc3b7"},{"id":"occ_3f8bdd084272027048265d3e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_7b9869c0-0591-4274-8872-64f3a582a51a","section_id":"sec_31f68620-0fca-49f2-ba1c-6a56c878b6d0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"AIサーバー向けのHBMやDRAM、NANDフラッシュが不足していることは、すでによく知られている。では、NORフラッシュにも同じことが起きているのだろうか。AIによって需要が爆発し、供給が追いつかなくなっているのだろうか。","quote_start":0,"quote_end":112,"text_sha256":"54e293cf20e7aaefa03f44695cdfaac5ebd6169008b5c84cf094dc0fceb59e62","block_sha256":"54e293cf20e7aaefa03f44695cdfaac5ebd6169008b5c84cf094dc0fceb59e62","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_7b9869c0-0591-4274-8872-64f3a582a51a"},{"id":"occ_2b611536d026926e187d67d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_9944cac1-3f69-49cf-a677-8d0e7ec5116b","section_id":"sec_bc2fccd5-c0e6-4fdf-8914-ba2bf6314dce","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMやSRAMは電源を失うとデータが消えるため、CPUやGPUが処理中のデータを一時的に置く作業領域として使われる。一方、フラッシュメモリは、電子をメモリセル内部に保持することで、電源がなくてもプログラム","quote_start":0,"quote_end":104,"text_sha256":"251e09925d7d298d7cb121e21dfaee530bd49f40c06be460a9d99425fd3fc2e9","block_sha256":"251e09925d7d298d7cb121e21dfaee530bd49f40c06be460a9d99425fd3fc2e9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_9944cac1-3f69-49cf-a677-8d0e7ec5116b"},{"id":"occ_841e466b1101620f842d81b6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_a6a20050-46a9-4ebc-9b64-f34c8bc70078","section_id":"sec_73fdc8e7-ca30-467f-890c-41e02d3bb092","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"### 9-2．HBM、DRAM、先端NANDへの設備配分","quote_start":0,"quote_end":29,"text_sha256":"e7e31e21253de861e47afd764df143d49098f876b5337cf741791267380e1f15","block_sha256":"e7e31e21253de861e47afd764df143d49098f876b5337cf741791267380e1f15","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_a6a20050-46a9-4ebc-9b64-f34c8bc70078"},{"id":"occ_680dc9e157a2fb6368dd22b7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177","work_id":"wrk_1b1faa41-9e19-4504-9b3c-c1aaf26ef800","block_id":"blk_ed20d705-ecb5-4072-8360-69cf61f24b92","section_id":"sec_d49fb36c-891b-4a1f-8b56-54889e825b69","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DRAM","quote":"NOR専業メーカーはほぼ存在せず、各社はDRAM、SLC NAND、MCU、ROMなども扱う。そのため、会社全体の利益率をNOR単独の利益率とみなすことはできない。","quote_start":0,"quote_end":82,"text_sha256":"b6dfc1bd8ce7f052b180b66f78fbbcb541a2a37cd1af2caaec066053cd60cdcd","block_sha256":"b6dfc1bd8ce7f052b180b66f78fbbcb541a2a37cd1af2caaec066053cd60cdcd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7a6f6c00-002d-4db4-89c0-8eff54c3c177/#blk_ed20d705-ecb5-4072-8360-69cf61f24b92"},{"id":"occ_0d8183012a78ee9423f651ec","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_0f649d78-0d36-468f-bc8c-7b3a3117af5f","section_id":"sec_01e14db1-3214-47d4-b135-099736e593df","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":35,"end":39,"exact":"DRAM","quote":"SanDiskは**NAND/SSDへの純度が高い**会社です。  \nDRAMやHBMの巨大事業がないので、**NAND価格・SSD需給の影響を受けやすい**です。その代わり、サイクル上昇局面では利益改善がストレートに出やすいです。 ([Sandisk](https://sho","quote_start":0,"quote_end":139,"text_sha256":"71aa5a71cd7a566a6c74bc43ce40da4b0ec3c7e76d74a6a71871ce9115ce8ddc","block_sha256":"71aa5a71cd7a566a6c74bc43ce40da4b0ec3c7e76d74a6a71871ce9115ce8ddc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_0f649d78-0d36-468f-bc8c-7b3a3117af5f"},{"id":"occ_e5606f41ff02e0c1f29cb5f3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_1bd3e551-03e5-41cd-ad14-3fbed59ad7d7","section_id":"sec_d6869791-485a-4100-842a-9aef17a7d0b8","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":84,"end":88,"exact":"DRAM","quote":"断やサイクル感応度を決めます。KioxiaはNAND/SSDに集中する一方、SamsungとSK hynixはDRAM/HBMも抱えるため、需要がHBM側に強い局面では“投資・クリーンルーム・人員”がHBM/サーバDRAMへ寄りやすく、NANDの供給増が抑制されやすい、という構造要因があります。","quote_start":29,"quote_end":177,"text_sha256":"73bc79b2d64cdc1b28596bcf0696f7ef2e3d45c93b1ca06a41ad6d98bd527917","block_sha256":"73bc79b2d64cdc1b28596bcf0696f7ef2e3d45c93b1ca06a41ad6d98bd527917","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_1bd3e551-03e5-41cd-ad14-3fbed59ad7d7"},{"id":"occ_f673e296509a43e1110b7725","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_4d9f9482-1b17-4ce7-94c2-ff8818084f31","section_id":"sec_3b87e99b-f24d-4999-9174-8ec8ccc04092","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"全部をDRAMやHBMには置けないので、SSDはその下の大容量階層として使われます。  \n特にAIでは「全部を超高速メモリに置く」のがコスト的に厳しいため、SSDの存在が重要になります。 ([KIOXIA Amer","quote_start":0,"quote_end":107,"text_sha256":"1aa50bef57aaa54b902aa9a7931b6258d450b95c10c1988ec9d7bbda11840019","block_sha256":"1aa50bef57aaa54b902aa9a7931b6258d450b95c10c1988ec9d7bbda11840019","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_4d9f9482-1b17-4ce7-94c2-ff8818084f31"},{"id":"occ_2f193091117509735f2c0f68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_5fc3182a-51d7-489a-a54e-f6c3a6dfdac8","section_id":"sec_b383258d-7ed1-43a1-b606-263704928e20","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1042,"end":1046,"exact":"DRAM","quote":"sks-high-bandwidth-flash-for-ai\n\nTrendForce（2026-03-31：DRAM/NAND契約価格見通し）\nhttps://www.trendforce.com/presscenter/news/20260331-12995.html\n\nTrendForce（2025Q3：NAN","quote_start":987,"quote_end":1146,"text_sha256":"123932ce88a8f683f7d192525ba8bea8049741c1e36b26838b6820255aa763dd","block_sha256":"123932ce88a8f683f7d192525ba8bea8049741c1e36b26838b6820255aa763dd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_5fc3182a-51d7-489a-a54e-f6c3a6dfdac8"},{"id":"occ_b9930efb8c313e47f3cc0882","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_68286c6a-c15e-4973-b55c-cea6c135a755","section_id":"sec_6bfa0a5a-4823-46ad-ae76-3435f6ef0c4b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"また、価格データとしてTrendForceは2026年Q2に「従来型DRAM契約価格+58–63% QoQ、NAND契約価格+70–75% QoQ」を見込み、CSPが供給確保のため長期契約を進める、と述べています。citeturn17search0 Reutersも、Q","quote_start":0,"quote_end":138,"text_sha256":"36828312be0994dfea793f1bb9c799430313fc5e718262c3da69ecdae07fb3a6","block_sha256":"36828312be0994dfea793f1bb9c799430313fc5e718262c3da69ecdae07fb3a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_68286c6a-c15e-4973-b55c-cea6c135a755"},{"id":"occ_ef039146f961a22377d4a2c7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_825c2eb5-ad2c-4a90-b560-a1583161d670","section_id":"sec_9e73bfaa-9533-4303-bbc7-b80612854b5c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"- **HBMのような高付加価値DRAMの巨大利益源がない**\n- **NANDサイクル悪化時の逃げ場が少ない**\n- **SamsungやSK hynixほどの総合力はない**","quote_start":0,"quote_end":89,"text_sha256":"bf7e2b4c4ae609d0fed53c090f26e8c70297fba6f492fefd9de9f1f3e5551238","block_sha256":"bf7e2b4c4ae609d0fed53c090f26e8c70297fba6f492fefd9de9f1f3e5551238","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_825c2eb5-ad2c-4a90-b560-a1583161d670"},{"id":"occ_dad21785efb1c1d465eb74b9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_86e1c7f0-67d3-446b-bbfe-5e72079bcf8f","section_id":"sec_5e933d97-ca83-4ba0-a70e-79c54f821a63","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":164,"end":168,"exact":"DRAM","quote":"けでも104.1兆ウォン（約703億ドル、約11.2兆円）あります。つまりSamsungは、NANDだけでなくDRAM、HBM、DDR5、スマホ、家電、ファウンドリ**まで抱える巨大複合企業です。NANDが悪くても他で吸収でき、逆にHBMが強いと全体利益が膨らみます。さらに会社資料では、AI向けに**高性能TLC 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([KIOXIA America, Inc.](https://americas.kioxia.com/","quote_start":38,"quote_end":197,"text_sha256":"c2db028d0f09ca059273c4458483d481b80b071a666fc4fbffaa85b4a1af92b9","block_sha256":"c2db028d0f09ca059273c4458483d481b80b071a666fc4fbffaa85b4a1af92b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_924d3be2-659a-4cfc-90d9-9508c23cbf17"},{"id":"occ_1bd2b44bcdb59931e6cec5a4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_ba8a88ae-0321-48ce-bce8-9acdd7b1cc02","section_id":"sec_ce916103-08fe-4396-b41a-07d86eae8688","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"供給は「新規クリーンルームの立ち上げ（年単位）」「ノード移行（層数増/歩留まり）」「投資配分（HBM/DRAMへ寄るとNANDが相対的に絞られる）」で決まります。TrendForceは2026年の契約価格見通しのなかで、DRAM側がHBM/サーバへキャパ再配分してタイト化し、NAND側も企業SSD向けに容量が","quote_start":0,"quote_end":155,"text_sha256":"4417df5a0c899129293bcee2b6682c02ee86b0ffdaa2c44ac66905e683521e1b","block_sha256":"4417df5a0c899129293bcee2b6682c02ee86b0ffdaa2c44ac66905e683521e1b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_ba8a88ae-0321-48ce-bce8-9acdd7b1cc02"},{"id":"occ_873876d66cda7a708b121930","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_c528e802-a8b4-4578-bbe7-633a12c52e43","section_id":"sec_518dd53a-87e7-477e-ae4d-04bf71b86b07","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":76,"end":80,"exact":"DRAM","quote":"電力が不要である点、データセンター高温環境での熱安定性、冗長性・信頼性設計を含む点を強調しています。 これは、DRAM/HBMが本質的に揮発・リフレッシュを要することへの対置として、“推論の常時稼働”で効くTCO要素（電力・冷却・容量当たりコスト）を取りに行く設計思想です。","quote_start":21,"quote_end":158,"text_sha256":"666cbd71ffc36534a86d67c260a7596a2ac4b136ed962c4f4b7c86f31bb352d2","block_sha256":"666cbd71ffc36534a86d67c260a7596a2ac4b136ed962c4f4b7c86f31bb352d2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_c528e802-a8b4-4578-bbe7-633a12c52e43"},{"id":"occ_d184585a71a86713ad387cb6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_da53654b-529b-409c-8179-aca4647375fa","section_id":"sec_1fd694df-d691-4e9b-bb28-c522fd673dba","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":120,"end":124,"exact":"DRAM","quote":"ログ、スナップショット、チェックポイント、ベクトルDB等）」です。Kioxiaは、ベクトル検索をSSD上で行いDRAM依存を下げるAiSAQを発表しており、これは“DRAMが高価/不足になりやすい局面でSSDの役割が上がる”具体例です。SNIAのAIデータセンター資料でも、GPU性能を飽和させるために複数SSDが必要","quote_start":65,"quote_end":224,"text_sha256":"1dce9ac69c56e7be1a63329e89097fb2f24f1f70f00278929e52e7a3766a4269","block_sha256":"1dce9ac69c56e7be1a63329e89097fb2f24f1f70f00278929e52e7a3766a4269","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2/#blk_da53654b-529b-409c-8179-aca4647375fa"},{"id":"occ_5c391b247ccf7174f0930046","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_7d6d4b5c-60bd-44d9-a7c5-ea8b8feb6dd2","work_id":"wrk_903d8c2f-b74b-40ab-ae34-1de2fa31df84","block_id":"blk_ec2d655b-8817-44df-b8d0-af59b2550365","section_id":"sec_916815c8-dcf0-4c67-8ab4-fb95117b6700","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":85,"end":89,"exact":"DRAM","quote":"**NANDサイクルにどれだけ強くレバレッジする会社か**です。 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memoryであって、「commodity DRAMをHZOで置き換えた」ものではないが、ferroelectric storage principle自体が産業化可能であることを示している。(Infineon Technologies)","quote_start":65,"quote_end":217,"text_sha256":"6a27da82530c3c354ee5eea3aef50c65ec2ac96715d85b748b3bdf5cf3b37e21","block_sha256":"6a27da82530c3c354ee5eea3aef50c65ec2ac96715d85b748b3bdf5cf3b37e21","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_eb4ad52c-c0e0-494e-8622-a7a1562b6844"},{"id":"occ_e6a05d7c2d8fef153f036d49","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_ef377948-fb47-4a19-83cd-cddac0bb85dd","section_id":"sec_1a68cab6-abe9-4032-8fde-f327b3afcd57","layer":"body","character_id":null,"count":1,"matched_aliases":["3D 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DRAMがどのcell方式で完成するのかは、まだ決まっていない。","quote_start":0,"quote_end":83,"text_sha256":"ac00968d995beafd716b1686d61f0a2b67fd72882d4f4a8b9171d389d53daf22","block_sha256":"ac00968d995beafd716b1686d61f0a2b67fd72882d4f4a8b9171d389d53daf22","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_f568a89e-c934-45b5-a6df-1dc014352245"},{"id":"occ_bead813a1486eff7dc407d98","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_f6733a98-6f6f-439d-bc3a-29319c62d18c","section_id":"sec_0516e778-da04-4df3-bac4-89c4cba7e69e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM capacitor工程をどこへ分類するかはprocess flowによって境界が少し異なる。","quote_start":0,"quote_end":51,"text_sha256":"959f97250f08a72890cd2beff7081fc3d1ce1dbf69a01b8c1cb88cb65b08878f","block_sha256":"959f97250f08a72890cd2beff7081fc3d1ce1dbf69a01b8c1cb88cb65b08878f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_f6733a98-6f6f-439d-bc3a-29319c62d18c"},{"id":"occ_2fc864fb8e602aac8d256848","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_f6a90382-0fcb-4176-ad16-970c9c1aaf9f","section_id":"sec_cc4e649c-9933-4a96-8abd-9ffe08092b60","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DRAM","quote":"界、4F²、Oxide 2T0C、Ferroelectric、Floating Body、GCTまで――「次のDRAM」を基礎から考える","quote_start":6,"quote_end":74,"text_sha256":"504b6bbf7dcdda342d351c87fd5eaafa033f8ddf7874f22b6a925ac1c711c3a8","block_sha256":"504b6bbf7dcdda342d351c87fd5eaafa033f8ddf7874f22b6a925ac1c711c3a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_f6a90382-0fcb-4176-ad16-970c9c1aaf9f"},{"id":"occ_0c70aa88299d3b7463ab974a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_f6d340fe-ff1a-4944-bb00-c2bcbd827056","section_id":"sec_dfac767b-e53a-4608-8764-31d2ff0681af","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"この長い過程そのものがDRAMの進化である。","quote_start":0,"quote_end":22,"text_sha256":"9b79863aec5e104f2b9f68bc051667cd5f167898afee8e6c38c939f095038fbc","block_sha256":"9b79863aec5e104f2b9f68bc051667cd5f167898afee8e6c38c939f095038fbc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_f6d340fe-ff1a-4944-bb00-c2bcbd827056"},{"id":"occ_6c5ef021dbfbe9f3733f1786","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_f858fe5c-7356-4e0b-9f7b-7d246a11c18f","section_id":"sec_41c98a37-44c2-49f1-8b8a-789b3d40742f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"7．なぜDRAMのcapacitorは縦に長くなったのか","quote_start":0,"quote_end":28,"text_sha256":"05d97011c7a46a0efddc17daea0886cdc58d1250f84c9249327424c0e933fc45","block_sha256":"05d97011c7a46a0efddc17daea0886cdc58d1250f84c9249327424c0e933fc45","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_f858fe5c-7356-4e0b-9f7b-7d246a11c18f"},{"id":"occ_a3ad8f5d128ee99925568707","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_84581296-2906-4b8b-9a12-fe071bf83ea5","work_id":"wrk_6a02fe90-8d9f-4a4d-9ecc-c990d2e53bd2","block_id":"blk_f89dcd51-a1c6-4835-8e86-b3eea9124c07","section_id":"sec_cc4e649c-9933-4a96-8abd-9ffe08092b60","layer":"body","character_id":null,"count":1,"matched_aliases":["3D 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DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":16,"exact":"3D DRAM","quote":"ここで重要なのは、3D DRAMが遅れてもDRAM進化が止まるわけではないことだ。","quote_start":0,"quote_end":41,"text_sha256":"82cf71fed3bb604b6f38d43f3c5b4b4fc4139ab3cb5c935b03720012011e5717","block_sha256":"82cf71fed3bb604b6f38d43f3c5b4b4fc4139ab3cb5c935b03720012011e5717","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_84581296-2906-4b8b-9a12-fe071bf83ea5/#blk_fa06b621-655c-42ee-ac42-2bb2176c9600"},{"id":"occ_21f7f7470885a83c4a8d3359","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_015f4e8c-c34f-4c11-80cb-fcab25c1553d","section_id":"sec_258b1b75-cd98-4962-9d66-e345e774f966","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":137,"end":141,"exact":"DRAM","quote":" ↓\n歩留まりと設計実績が改善\n  ↓\nSamsung HBM採用率上昇\n  ↓\n先端パッケージ受注\n  ↓\nDRAM / SSDへクロスセル\n  ↓\n次世代ASICも継続受注\n```","quote_start":82,"quote_end":174,"text_sha256":"3f9e73a0e4da5ae060816664d5a6e6cd452585506f44cd1af32815ece6b6ace7","block_sha256":"3f9e73a0e4da5ae060816664d5a6e6cd452585506f44cd1af32815ece6b6ace7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_015f4e8c-c34f-4c11-80cb-fcab25c1553d"},{"id":"occ_83f3e816d61c51a7f5dccc8e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_13a4cb93-fbc3-4c92-bfc9-69835d734b61","section_id":"sec_bb74a2df-aa45-4b57-968e-4e6d1599013a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":39,"end":43,"exact":"DRAM","quote":"実際、AIアクセラレーターには数十GBから数百GBのHBMが搭載される。複数のDRAMダイを積み、TSVで縦に接続し、ベースダイと先端パッケージを使い、GPUやAI ASICのすぐ横へ置く。部品一式の金額として見れば、HBMはGPU原価の中でも非常に目立つ。","quote_start":0,"quote_end":129,"text_sha256":"8e38b8b0d3167ff2bcb496212eeece055d204b23527cca5e8fbd0ee1b858d029","block_sha256":"8e38b8b0d3167ff2bcb496212eeece055d204b23527cca5e8fbd0ee1b858d029","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_13a4cb93-fbc3-4c92-bfc9-69835d734b61"},{"id":"occ_b790fb70ea3c54848fc6fc91","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_1725547b-f09c-4f23-b454-775d99d569a9","section_id":"sec_340dc577-dd28-46ea-965d-53d9fd0b8aa4","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"現在はDRAM価格が急騰したため、特定の契約ではDDR、LPDDRとHBMの価格差がかなり縮小している。これは恒久的な技術コストの逆転というより、供給不足による市況の影響である。","quote_start":0,"quote_end":89,"text_sha256":"9a0d898b4558062e7ea822b777216b02440b108386741d06da29f3526582cf61","block_sha256":"9a0d898b4558062e7ea822b777216b02440b108386741d06da29f3526582cf61","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_1725547b-f09c-4f23-b454-775d99d569a9"},{"id":"occ_fe1c0ce84884c314317d5056","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_1816da38-be4c-4d09-ab01-04be4d62bf00","section_id":"sec_bb74a2df-aa45-4b57-968e-4e6d1599013a","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":35,"end":40,"exact":"LPDDR","quote":"> **レジスタ ＞ オンチップSRAM ＞ HBM ＞ DDR / LPDDR ＞ NAND**","quote_start":0,"quote_end":49,"text_sha256":"0a64ff0ea719086afbd8993ca06003e3c87bc375470ecd55f0698dc24fd9e0f2","block_sha256":"0a64ff0ea719086afbd8993ca06003e3c87bc375470ecd55f0698dc24fd9e0f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_1816da38-be4c-4d09-ab01-04be4d62bf00"},{"id":"occ_00e2143f1af66bf15b60164a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_424e58e9-a1ac-4de4-998e-9b8a45e2ed8a","section_id":"sec_fd946d55-4d04-4fdc-a3a7-625b9f7497bd","layer":"character","character_id":"sil_kathna","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"演算器の手に握られたレジスタ。炉心のそばに刻まれたSRAM。塔のように積まれたHBM。都市の引き出しであるDRAM。遠い地下書庫のNAND。","quote_start":0,"quote_end":70,"text_sha256":"3a4b010a080061b8b0d8be05834d283f20d8bff2718b1d9fe6742535544a0491","block_sha256":"3a4b010a080061b8b0d8be05834d283f20d8bff2718b1d9fe6742535544a0491","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_424e58e9-a1ac-4de4-998e-9b8a45e2ed8a"},{"id":"occ_2c588e768515c5b8e723b336","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_457d560f-4a2d-4173-b9c1-3939d116201d","section_id":"sec_97f97111-c5c3-43d1-9a0c-4aec7d679f79","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"TSMCでもASIC、SRAM、先端パッケージまでは提供できる。しかしTSMCはHBM、DRAM、NANDを自社製品として製造していない。外部のSamsung、SK hynix、Micron、Kioxia、Solidigmなどと組み合わせる必要がある。","quote_start":0,"quote_end":126,"text_sha256":"8ebce3b7c107ed06e1d3edc064fa7e4aa7e95b6ea6928d7adc39ee61f6e6cffc","block_sha256":"8ebce3b7c107ed06e1d3edc064fa7e4aa7e95b6ea6928d7adc39ee61f6e6cffc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_457d560f-4a2d-4173-b9c1-3939d116201d"},{"id":"occ_b361ffaf9b67146fb9c4e900","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_5fed7a97-b536-4e04-984f-5173f8dcffe3","section_id":"sec_bb74a2df-aa45-4b57-968e-4e6d1599013a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"## レジスタ、SRAM、HBM、DRAMを1bit当たりと製品総額の両方から読む","quote_start":0,"quote_end":41,"text_sha256":"cae78563899a612d67fcc4a87e85182de0b95c57418dc29fcda105354bb7cf3d","block_sha256":"cae78563899a612d67fcc4a87e85182de0b95c57418dc29fcda105354bb7cf3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_5fed7a97-b536-4e04-984f-5173f8dcffe3"},{"id":"occ_c107403cf284599f7040dbe3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_645224d2-73a2-47dc-8b33-f106ca9975e8","section_id":"sec_340dc577-dd28-46ea-965d-53d9fd0b8aa4","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"ただし2025年後半から2026年にかけては、通常DRAMの供給不足が極端に進んだ。TrendForceはDDR5の価格例として0.65ドル / Gbを示している。1バイトは8bitなので、単純換算では次のようになる。([TrendForce][4])","quote_start":0,"quote_end":126,"text_sha256":"44ecd3d6e4bec7a9bc855cfa2c283c809c63b5fd869f6ae7a46942db42ac99ba","block_sha256":"44ecd3d6e4bec7a9bc855cfa2c283c809c63b5fd869f6ae7a46942db42ac99ba","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_645224d2-73a2-47dc-8b33-f106ca9975e8"},{"id":"occ_b2f229b2b9eee94e16510d66","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_6ae2ba8d-27d2-42d5-bdfd-8c61f9bddc98","section_id":"sec_4dd23398-cb63-4226-85fb-789dc8eda965","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM、HBM、NANDは、Samsung Electronics、SK hynix、Micronなどが独立したメモリーダイとして大量生産する。一方、AI ASICで使われるSRAMの大部分は、演算器や制御","quote_start":0,"quote_end":104,"text_sha256":"ef47125fdbe6d08400c2dccbd9d4f30319891f15b1a192fbdcfbcfb5006562a6","block_sha256":"ef47125fdbe6d08400c2dccbd9d4f30319891f15b1a192fbdcfbcfb5006562a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_6ae2ba8d-27d2-42d5-bdfd-8c61f9bddc98"},{"id":"occ_96e0873241a80f6260901365","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_6c3e46ca-5f98-4463-b99d-c5512ba7c303","section_id":"sec_258b1b75-cd98-4962-9d66-e345e774f966","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":120,"end":124,"exact":"DRAM","quote":"ハー、ASIC内部のSRAM面積、HBM、HBMベースダイ、インターポーザー、先端パッケージ、テスト、サーバーDRAM、eSSD、NANDまで広がる。","quote_start":65,"quote_end":140,"text_sha256":"3ad5a5ac9b15efbac4d98f498e5ac0540f270dcfb17cf981232c25e0d8fc3867","block_sha256":"3ad5a5ac9b15efbac4d98f498e5ac0540f270dcfb17cf981232c25e0d8fc3867","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_6c3e46ca-5f98-4463-b99d-c5512ba7c303"},{"id":"occ_26ac5f5a97d113105d37f47a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_744a9271-b8b9-4160-8ffe-677a0e06afe3","section_id":"sec_de5652bb-53e5-4fa8-ab4a-b917ff941cda","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"SRAMはDRAM容量を同じだけ置き換えるために使うのではない。例えば256MBのSRAMを追加しても、256GBのHBMやDRAMが不要になるわけではない。","quote_start":0,"quote_end":79,"text_sha256":"8825d136ed9cf4c4d3052346b4996a96b868b0d3268834a3e203204a6b891a33","block_sha256":"8825d136ed9cf4c4d3052346b4996a96b868b0d3268834a3e203204a6b891a33","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_744a9271-b8b9-4160-8ffe-677a0e06afe3"},{"id":"occ_ffed958ccabc556101636aca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_78a26609-f112-4586-ae76-cbd46b44fb42","section_id":"sec_340dc577-dd28-46ea-965d-53d9fd0b8aa4","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DDR5","quote":"通常時のHBMは、一般的なDDR5より1GB当たり数倍高い。SemiAnalysisは、HBMを標準DDR5の3倍以上、LPDDRをHBMの約5分の1のコストと説明している。([SemiAnalysis][3])","quote_start":0,"quote_end":106,"text_sha256":"40face71050663f6dfcbe848698c1402ab0875072b32f289c01f93b09c5374b8","block_sha256":"40face71050663f6dfcbe848698c1402ab0875072b32f289c01f93b09c5374b8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_78a26609-f112-4586-ae76-cbd46b44fb42"},{"id":"occ_c790b4355cff74111d320c26","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_80977689-404c-43e7-bd48-77d7d7af9f3e","section_id":"sec_340dc577-dd28-46ea-965d-53d9fd0b8aa4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"## 4. HBMは通常DRAMより何倍高いのか","quote_start":0,"quote_end":24,"text_sha256":"010ffcd78450f3eba442d433085b1a4d111baa1e1387a6dddfdaa59a4060e115","block_sha256":"010ffcd78450f3eba442d433085b1a4d111baa1e1387a6dddfdaa59a4060e115","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_80977689-404c-43e7-bd48-77d7d7af9f3e"},{"id":"occ_382995766a865f57132bb3e3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_80ad283f-e28d-485b-b306-df0a1d2b1069","section_id":"sec_0c39fa75-5da7-4d3a-8ec7-84ff08d342a1","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":217,"end":221,"exact":"DDR5","quote":"費用 |\n| HBM3 / HBM3E | **約14から20ドル** | 公開BOM推計と価格動向 |\n| DDR5 / LPDDR | **約5から11ドル** | 大口契約、部品価格の例 |\n| NANDフラッシュ | **DRAMより大幅に安い** | TLC、QLC、世代、市況で変動 |","quote_start":162,"quote_end":311,"text_sha256":"b340d5332d05141327bcec046bf7cab5f61bb6dab0b1426263d65967ecf9a73c","block_sha256":"b340d5332d05141327bcec046bf7cab5f61bb6dab0b1426263d65967ecf9a73c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_80ad283f-e28d-485b-b306-df0a1d2b1069"},{"id":"occ_cfc3dd7f05af89df96628e6f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_8221ad44-3a0c-45d9-9151-69cf3ec956cf","section_id":"sec_ce5bc4a0-02e4-4c9f-b432-7a237ceb4390","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5"],"evidence":{"text_basis":"markdown","start":154,"end":160,"exact":"LPDDR5","quote":"BMの経済性を比較するための仮想モデルである。MetaのMTIAは256MBのオンチップメモリーと128GBのLPDDR5を備え、最大72基をラックへ搭載する構成を公開している。([Meta][10])","quote_start":99,"quote_end":200,"text_sha256":"92e1a8512b6a2513b2555eb087afcafa2911462d5768f148cb623fa578d9cff5","block_sha256":"92e1a8512b6a2513b2555eb087afcafa2911462d5768f148cb623fa578d9cff5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_8221ad44-3a0c-45d9-9151-69cf3ec956cf"},{"id":"occ_090ee3690363f135526b272f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_a6c9c879-a475-4234-9b5c-9751937b3f20","section_id":"sec_e1dfd90f-0c75-4c59-ae25-13cdef365148","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":69,"end":74,"exact":"LPDDR","quote":"--- | --- |\n| 同じ1GBを実装するなら | レジスタ ＞ SRAM ＞ HBM ＞ DDR / LPDDR ＞ NAND |\n| AIチップ一個の部品総額なら | 大容量、複数搭載のHBMが最大になりやすい |\n| ダイ面積への負担なら | SRAMとレジスタが非常に重い |\n| 保存容量を増やすなら |","quote_start":14,"quote_end":174,"text_sha256":"c1ffdabd0667732111ad34b7679abe47c459123479e6acacf705b78f24d48abc","block_sha256":"c1ffdabd0667732111ad34b7679abe47c459123479e6acacf705b78f24d48abc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_a6c9c879-a475-4234-9b5c-9751937b3f20"},{"id":"occ_7faf7f31568454e7d068c302","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_ae9b750f-fb94-438b-84bd-59a0aa4b51d3","section_id":"sec_4dd23398-cb63-4226-85fb-789dc8eda965","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"ここで供給網の話へ移る。AI半導体のSRAMを理解するとき、最初に整理すべきことは、**SRAMとDRAM / HBM / NANDでは製造の位置づけが異なる**という点である。","quote_start":0,"quote_end":89,"text_sha256":"dea3dbd1fac98608626fddef0117108697ce1fd8f2b654557fe0b1fe5c591b64","block_sha256":"dea3dbd1fac98608626fddef0117108697ce1fd8f2b654557fe0b1fe5c591b64","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_ae9b750f-fb94-438b-84bd-59a0aa4b51d3"},{"id":"occ_3491e4df56b3ca161100ad52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_e2fd0a32-0fd9-4b27-b30e-54f054f6d0dd","section_id":"sec_2fddcd8f-9349-4fac-b346-b09b9065f976","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":90,"end":94,"exact":"DRAM","quote":"RAM\n  └─ HBM\n\nAIサーバー / ラック\n  ├─ アクセラレーター\n  ├─ CPU\n  ├─ DRAM\n  └─ SSD / NAND\n```","quote_start":35,"quote_end":114,"text_sha256":"9a7da715432f8f87131343e4f44e4e4866f4505429538552c18d58c6334e0af7","block_sha256":"9a7da715432f8f87131343e4f44e4e4866f4505429538552c18d58c6334e0af7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_e2fd0a32-0fd9-4b27-b30e-54f054f6d0dd"},{"id":"occ_8e1bbdfc0aaa610d156e7d6d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_ed3225f6-3907-4844-836a-423792120b99","section_id":"sec_805cea77-5542-49ff-bf2b-a616968b7223","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"HBM、SRAM、DRAM、NANDを読む時の基本は、次の三つである。","quote_start":0,"quote_end":35,"text_sha256":"7c3923cc3010170577677802f910e95d8531a41b2673f3f21be2fe86e2706164","block_sha256":"7c3923cc3010170577677802f910e95d8531a41b2673f3f21be2fe86e2706164","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_ed3225f6-3907-4844-836a-423792120b99"},{"id":"occ_71633384d23bb83e8798cc97","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499","work_id":"wrk_27247b5b-cd30-433f-9e72-ddf9cc560a98","block_id":"blk_fc07856c-646b-4999-ab0c-e2338d6aa49d","section_id":"sec_340dc577-dd28-46ea-965d-53d9fd0b8aa4","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":33,"end":38,"exact":"LPDDR","quote":"さらにSemiAnalysisの2026年システム原価モデルでは、LPDDRの大口調達価格が約6.77から10.63ドル / GBとされている。([SemiAnalysis][5])","quote_start":0,"quote_end":91,"text_sha256":"92d9ba91702bc23470060daa1f068481c82e7a072bcda51da083ba57ffc0cf7e","block_sha256":"92d9ba91702bc23470060daa1f068481c82e7a072bcda51da083ba57ffc0cf7e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_89eb6a8e-70dd-4f87-9da4-213e9ac3f499/#blk_fc07856c-646b-4999-ab0c-e2338d6aa49d"},{"id":"occ_4f5e9847c5b135190ab43ac3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_8c9a8f7a-e00e-4b6d-b58d-ba3e89e02608","work_id":"wrk_a3440338-a420-4877-947f-8193ae66700c","block_id":"blk_fb1401f2-c3d5-4811-955d-de28c0cab048","section_id":"sec_74ad8966-bc82-490a-b673-ea77051b79bf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":43,"end":47,"exact":"DRAM","quote":"**AIモデル  \n→ 学習・推論  \n→ GPU / ASIC  \n→ HBM / DRAM / NAND  \n→ 先端半導体製造  \n→ データセンター  \n→ 電力・冷却  \n→ 光通信・ネットワーク  \n→ クラウド・セキュリティ**","quote_start":0,"quote_end":121,"text_sha256":"0e31196d55040ed5cd906b487fda2db2ffea9c8baede7d7c34de42057a57cc05","block_sha256":"0e31196d55040ed5cd906b487fda2db2ffea9c8baede7d7c34de42057a57cc05","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_8c9a8f7a-e00e-4b6d-b58d-ba3e89e02608/#blk_fb1401f2-c3d5-4811-955d-de28c0cab048"},{"id":"occ_4ea223cc42656ef2174d0608","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835","work_id":"wrk_eaab3954-2ccc-46a2-902f-fbbd679471b9","block_id":"blk_2e60b64d-3b01-4c5b-92e6-4ed97c24305b","section_id":"sec_de322e06-db75-4d03-b81a-55917f921f17","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":31,"end":38,"exact":"LPDDR5X","quote":"TrendForceは、2026年第1四半期のLPDDR4XとLPDDR5Xの契約価格が、前四半期比で約90％上昇すると予測した。NAND価格も同四半期に33～38％上昇すると予測されている。","quote_start":0,"quote_end":96,"text_sha256":"2651d1ad8049bf9388e5cbbb289497ab589ec60524312133da85825045723e7f","block_sha256":"2651d1ad8049bf9388e5cbbb289497ab589ec60524312133da85825045723e7f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835/#blk_2e60b64d-3b01-4c5b-92e6-4ed97c24305b"},{"id":"occ_3c47e5f21fc83833458dbd7d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835","work_id":"wrk_eaab3954-2ccc-46a2-902f-fbbd679471b9","block_id":"blk_81c9e4d0-fd88-4c08-8df0-4bbef0a809b2","section_id":"sec_de322e06-db75-4d03-b81a-55917f921f17","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"オンデバイスAIを大型化するには、スマートフォンやPCへ大量のDRAMとストレージを搭載する必要がある。","quote_start":0,"quote_end":52,"text_sha256":"c6ec795f80976fa0e703c14e89e8e673dc1e8ef54cba68d92c8101a260dbbd17","block_sha256":"c6ec795f80976fa0e703c14e89e8e673dc1e8ef54cba68d92c8101a260dbbd17","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835/#blk_81c9e4d0-fd88-4c08-8df0-4bbef0a809b2"},{"id":"occ_831e42f3b77853a6fb1c3626","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835","work_id":"wrk_eaab3954-2ccc-46a2-902f-fbbd679471b9","block_id":"blk_a6b7df1b-e3af-485f-b1d2-62126b872f24","section_id":"sec_86d7ed89-9fd2-48f3-aeeb-1ea13c6a3b96","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"- HBM\n- サーバーDRAM\n- NAND\n- SSD\n- チェックポイント保存\n- 学習データ\n- 推論キャッシュ","quote_start":0,"quote_end":60,"text_sha256":"c08f0e484044c95ed44a64f1812354107fa1a0d888ac538b030313bb5bc9ba5f","block_sha256":"c08f0e484044c95ed44a64f1812354107fa1a0d888ac538b030313bb5bc9ba5f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835/#blk_a6b7df1b-e3af-485f-b1d2-62126b872f24"},{"id":"occ_e75b3466a1d6dd1d1cc57fed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835","work_id":"wrk_eaab3954-2ccc-46a2-902f-fbbd679471b9","block_id":"blk_f4d446b3-8804-4bf5-bdf8-b1880b575bd1","section_id":"sec_86d7ed89-9fd2-48f3-aeeb-1ea13c6a3b96","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"CXMTはDRAM、YMTCはNANDを中心に、中国の「メモリ双星」と呼ばれる。","quote_start":0,"quote_end":40,"text_sha256":"05498029e1655d121909775d25b906b569c9202c1b34ec773de3d706c4a62bc9","block_sha256":"05498029e1655d121909775d25b906b569c9202c1b34ec773de3d706c4a62bc9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_8f8ffd4e-00d7-47a6-9906-ce0fa86b3835/#blk_f4d446b3-8804-4bf5-bdf8-b1880b575bd1"},{"id":"occ_5f2ea0ce31349ed653ed2c5a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_92ff5158-6c34-4526-ab02-c8db8332951f","work_id":"wrk_ea89805e-b45e-4a9c-b22a-29b168da02ed","block_id":"blk_c5bd676a-fbe5-41da-a73e-f6144096f434","section_id":"sec_e3512c16-ad70-4bfb-bced-5ee623f97ab1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"さらにSK hynixは2026年のDRAM、HBM、NAND出力がすでに売り切れたと述べ、Micronも2026年のHBM供給がすでに売り切れたと報じられています。([Reuters][15])","quote_start":0,"quote_end":98,"text_sha256":"be5c5d8a4a472a9ffaf11911603ac3bff44770835fddc9880b119646fc0289d5","block_sha256":"be5c5d8a4a472a9ffaf11911603ac3bff44770835fddc9880b119646fc0289d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_92ff5158-6c34-4526-ab02-c8db8332951f/#blk_c5bd676a-fbe5-41da-a73e-f6144096f434"},{"id":"occ_6fca928432f71b5b96e784d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_92ff5158-6c34-4526-ab02-c8db8332951f","work_id":"wrk_ea89805e-b45e-4a9c-b22a-29b168da02ed","block_id":"blk_e0255d89-75b0-4e22-a806-44bb4a72ed7a","section_id":"sec_e3512c16-ad70-4bfb-bced-5ee623f97ab1","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"問題は、HBMが通常DRAMよりはるかにウェハー効率を食うことです。TrendForceは、主要3社のHBMウェハー投入比率が2025年末18%、2026年22%、2027年30%へ上がる一方、HBMのビット供給比率は2025年","quote_start":0,"quote_end":114,"text_sha256":"0a5e5c8d0040741d60f102a911b5070a7ad0ddfa8db3d16badc44bcb347ff5f0","block_sha256":"0a5e5c8d0040741d60f102a911b5070a7ad0ddfa8db3d16badc44bcb347ff5f0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_92ff5158-6c34-4526-ab02-c8db8332951f/#blk_e0255d89-75b0-4e22-a806-44bb4a72ed7a"},{"id":"occ_a768eba0549be3cd80a57aca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8","work_id":"wrk_8f40984a-d96e-441d-8ace-83f20958435a","block_id":"blk_25e450fe-7c79-4224-82dc-a8e8deee3f76","section_id":"sec_22c99273-2a63-411c-8482-7f086a5881cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"AI時代のハイパースケーラーは、GPU、HBM、DRAM、SSD、電力、冷却、データセンターを大量に買う。だから短期的には、半導体企業やメモリ企業に利益を吸われ、フリーキャッシュフローを圧迫される存在に見える。だが一方で、彼らは自社クラウドの需要を最も深く","quote_start":0,"quote_end":128,"text_sha256":"99a76423fd148eeaa28d692ec5baa7e44efdf7652fe3218a11ecd50b94bf4cb9","block_sha256":"99a76423fd148eeaa28d692ec5baa7e44efdf7652fe3218a11ecd50b94bf4cb9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8/#blk_25e450fe-7c79-4224-82dc-a8e8deee3f76"},{"id":"occ_3ad2c183d57f3b3630918113","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8","work_id":"wrk_8f40984a-d96e-441d-8ace-83f20958435a","block_id":"blk_8be4c5b3-ac54-4f77-874d-56f2bf122d5f","section_id":"sec_51afb81b-a7b6-4782-a1db-fdf76b49fc5e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"第二段階は、AIインフラ相場だった。  \nGPU、HBM、DRAM、NAND、ASIC、電力、冷却、データセンター、光ネットワーク。AIを動かすための物理インフラが主役になった。","quote_start":0,"quote_end":89,"text_sha256":"2653532a7707f499b76337713cc696b1be7d145da6dfbfbc710412b88b17df82","block_sha256":"2653532a7707f499b76337713cc696b1be7d145da6dfbfbc710412b88b17df82","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8/#blk_8be4c5b3-ac54-4f77-874d-56f2bf122d5f"},{"id":"occ_53ff5f5bf9f533bda70ab4ab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8","work_id":"wrk_8f40984a-d96e-441d-8ace-83f20958435a","block_id":"blk_a0f51dde-16a0-4122-8cac-d54f6a71843c","section_id":"sec_22c99273-2a63-411c-8482-7f086a5881cd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"メモリ側では、TrendForceが2Q26の従来型DRAM契約価格を前四半期比58〜63%上昇、NANDを70〜75%上昇と予測しています。([TrendForce](https://www.trendforce.com/presscenter/news/2","quote_start":0,"quote_end":130,"text_sha256":"4e0379eccd4726d952cf8a40a7ce97937feedcbeab5b0402fae4d3ac83a37c15","block_sha256":"4e0379eccd4726d952cf8a40a7ce97937feedcbeab5b0402fae4d3ac83a37c15","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9369ec68-2723-4ee0-81f8-c835d3d59ac8/#blk_a0f51dde-16a0-4122-8cac-d54f6a71843c"},{"id":"occ_2e60ae52310c51da3209f6ea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_004d516a-3aac-439f-b6c5-665aecb09853","section_id":"sec_47216bd4-f0b3-4f7e-9270-8ba6c60fec00","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":54,"end":58,"exact":"DDR5","quote":"つまりArm AGI CPUは、NVIDIA VeraのようなNVLink-C2C密結合CPUではなく、**DDR5 + PCIe Gen6 + CXL 3.0を中心にした標準I/O型AI制御CPU**です。","quote_start":0,"quote_end":104,"text_sha256":"a015a591147d4b7dd760c517673ded956da43e5f718a74d0252c651d08ff2b7b","block_sha256":"a015a591147d4b7dd760c517673ded956da43e5f718a74d0252c651d08ff2b7b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_004d516a-3aac-439f-b6c5-665aecb09853"},{"id":"occ_42d86c2f767dad59f26793d7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_0860c014-9f1b-46a4-b2f0-781a54ad2e49","section_id":"sec_b797d78c-2c57-4558-840b-0d8b2e2b35dc","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":74,"end":79,"exact":"LPDDR","quote":"中心に、Rubin GPUと非常に密に接続されます。これはCPUとGPUの距離を縮め、GPUのHBMとCPU側LPDDRを近い関係で使うためには強力ですが、その価値はNVIDIAスタック内で最大化されます。","quote_start":19,"quote_end":122,"text_sha256":"0e1b4a609ae566472b10e16f135daf796e2cb1bae28c3c817c0ab64d83b182cc","block_sha256":"0e1b4a609ae566472b10e16f135daf796e2cb1bae28c3c817c0ab64d83b182cc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_0860c014-9f1b-46a4-b2f0-781a54ad2e49"},{"id":"occ_d62db37414cdfddf8a01fa36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_1e5c25dd-e5a9-45e9-98ff-1d9ff7dbdafd","section_id":"sec_3b5832dc-a184-46de-a409-c3c2ed0c6afe","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDRをCPUに近づけると、メモリ帯域/Wが改善しやすく、AI前処理、RAG、推論制御、サンドボックス、エージェント処理には有利です。  \nただし、従来のDDR DIMM中心サーバーに比べると、メモリ増設性","quote_start":0,"quote_end":105,"text_sha256":"c9630efd4e9a7f43bcf4f780847a69210f6f864e8a3a62198aec53d50c7c60b9","block_sha256":"c9630efd4e9a7f43bcf4f780847a69210f6f864e8a3a62198aec53d50c7c60b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_1e5c25dd-e5a9-45e9-98ff-1d9ff7dbdafd"},{"id":"occ_652cb368bb248fde3b9f6979","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_23f76a69-d1b9-4b05-ac48-b2aef4cd96f3","section_id":"sec_03af3792-749e-4fdf-9bc4-f6c0aaabb136","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":122,"end":129,"exact":"LPDDR5X","quote":"提にしたAIファクトリー制御CPUです。Veraは88個のOlympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを持ち、agentic AI、強化学習、サンドボックス実行、GPUを待たせないオーケストレーションに最適化されています。([SEC](h","quote_start":67,"quote_end":229,"text_sha256":"9846f3e1dbee82450416459b71c071437ed071127ab9c2b07195366e6414375e","block_sha256":"9846f3e1dbee82450416459b71c071437ed071127ab9c2b07195366e6414375e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_23f76a69-d1b9-4b05-ac48-b2aef4cd96f3"},{"id":"occ_2f3835bfc64b0d68abc599da","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_394ee90e-cb3e-4837-a60b-a0c45fe9ec33","section_id":"sec_d468599f-5e23-4933-94d6-43549e27e6bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":100,"end":104,"exact":"DDR5","quote":"ターCPUです。  \n最大136個のNeoverse V3コア、Armv9.2、300W TDP、12チャネルDDR5-8800、96レーンPCIe Gen6、CXL 3.0 Type 3対応という構成です。([Arm](https://www.arm.com/products/cloud-datacenter/ar","quote_start":45,"quote_end":204,"text_sha256":"b6462dd0186a6064ec2903697fb5aac1cfa38e05f8d64cc58598b47e17e782b6","block_sha256":"b6462dd0186a6064ec2903697fb5aac1cfa38e05f8d64cc58598b47e17e782b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_394ee90e-cb3e-4837-a60b-a0c45fe9ec33"},{"id":"occ_2b32b15011ac431eeeb1839a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_3a8e499b-62db-4869-a073-718b4faf1f4c","section_id":"sec_ef483d86-a696-4b38-9522-d9161635dc29","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":36,"end":43,"exact":"LPDDR5X","quote":"Graceの特徴は、サーバーCPUでありながら、通常のDDRではなく**LPDDR5Xを使う高帯域・高効率設計**にあります。  \nこれはスマホ的な省電力メモリ技術を、データセンターCPUへ持ち込んだ形です。","quote_start":0,"quote_end":104,"text_sha256":"68bdf1f9edc1afcafd5e7a79bae43679271074caa4512c45bc5d1522741d8864","block_sha256":"68bdf1f9edc1afcafd5e7a79bae43679271074caa4512c45bc5d1522741d8864","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_3a8e499b-62db-4869-a073-718b4faf1f4c"},{"id":"occ_888c1f50af87b1ee01cec488","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_43805c29-0597-49cd-a983-d40fb2bdf146","section_id":"sec_92332045-5bba-42b3-8514-8957bb52a9a1","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":110,"end":114,"exact":"DDR5","quote":"の初期パートナー\n・TSMC 3nm採用で、N2よりは成熟した先端ノード\n・HBM/CoWoS依存が小さい\n・DDR5、PCIe、CXL中心で標準サーバー部材に近い\n・Lenovo、Quantaなどサーバーシステム協業の報道\n```","quote_start":55,"quote_end":171,"text_sha256":"71309dff53ce43a27b585c2c7c70fb0d3771c45a05573d42b1c61e30b5a34822","block_sha256":"71309dff53ce43a27b585c2c7c70fb0d3771c45a05573d42b1c61e30b5a34822","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_43805c29-0597-49cd-a983-d40fb2bdf146"},{"id":"occ_876e78c9be5baf8c2928817d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_621d7623-8edb-4683-9b64-8fd56688cf3b","section_id":"sec_1635d7ea-f4aa-4fa4-9d14-09326e2abbef","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":125,"end":132,"exact":"LPDDR5X","quote":"動かすためのCPUです。Veraは88個のNVIDIA独自Olympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを備えます。([NVIDIA Developer](https://developer.nvidia.com/blog/nvidia-v","quote_start":70,"quote_end":232,"text_sha256":"33430764425cb6759782f52cd119b63894e2bdf8c35b854a4cde067be973123c","block_sha256":"33430764425cb6759782f52cd119b63894e2bdf8c35b854a4cde067be973123c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_621d7623-8edb-4683-9b64-8fd56688cf3b"},{"id":"occ_d367fd5c6d100c004fa0052c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_64c8e95f-a724-415c-bcf6-c0ded3264b76","section_id":"sec_ef483d86-a696-4b38-9522-d9161635dc29","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":129,"end":136,"exact":"LPDDR5X","quote":"ace CPUをNVLink-C2Cで接続し、144個のArm Neoverse V2コア、最大1TB/s級のLPDDR5Xメモリ帯域を持ちます。([GIGABYTE](https://www.gigabyte.com/FileUpload/Global/WebPage/1052/NVIDIA_2026_1H_V2.pdf","quote_start":74,"quote_end":236,"text_sha256":"38ea226ee312099634febe578c91b3a299e410f0f931b66555b0fab505fc6265","block_sha256":"38ea226ee312099634febe578c91b3a299e410f0f931b66555b0fab505fc6265","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_64c8e95f-a724-415c-bcf6-c0ded3264b76"},{"id":"occ_d9a829d0d6d999c1f52489f4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_6dc7b0da-9b6c-4a86-93aa-fad285654f2e","section_id":"sec_a932bbdb-5dfe-4d72-8505-edbe95be1e34","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DDR5","quote":"```\n・TSMC 3nmウェハー\n・デュアルダイ/チップレット向けパッケージ\n・DDR5-8800メモリ\n・PCIe Gen6 / CXL 3.0対応基板\n・サーバーODMによる1U/ラックシステム\n・空冷または液冷の電源・冷却設計\n```","quote_start":0,"quote_end":121,"text_sha256":"3b2cd0499693a092cc9a8333b3d7b35bd45245ccdd2d8089893ea570887f0a0f","block_sha256":"3b2cd0499693a092cc9a8333b3d7b35bd45245ccdd2d8089893ea570887f0a0f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_6dc7b0da-9b6c-4a86-93aa-fad285654f2e"},{"id":"occ_e441cd49ae2784da121635b6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_6e15a9b7-fca3-4eb8-a8b9-9be8b4ed32ae","section_id":"sec_3b5832dc-a184-46de-a409-c3c2ed0c6afe","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":55,"end":60,"exact":"LPDDR","quote":"Veranoは、VeniceよりもさらにAIインフラ寄りになる可能性があります。AMDはVeranoについて、LPDDRなどの先進メモリ技術を採用し、agentic AIで増えるメモリ需要と電力制約に対応すると説明しています。([AMD](https://www.amd.com/en/newsroom/press-re","quote_start":0,"quote_end":160,"text_sha256":"023feac1bb45ad186a5001ac5f2424b6c254479e3a6a56790face5c008203498","block_sha256":"023feac1bb45ad186a5001ac5f2424b6c254479e3a6a56790face5c008203498","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_6e15a9b7-fca3-4eb8-a8b9-9be8b4ed32ae"},{"id":"occ_77149b0212c267bcf9fd25b0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_86dca3fa-2e30-4774-b2dc-37f084255342","section_id":"sec_4d53ceec-4948-4e97-bc81-cbcb507d7d8d","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":176,"end":181,"exact":"LPDDR","quote":"高コア数、高メモリ帯域、CPU-GPU帯域、PCIe/CXL系I/Oが重視されます。Veranoでは、AMDがLPDDRなどの先進メモリ技術を取り入れ、agentic AIで増えるメモリ需要と電力制約に対応すると説明しています。([AMD](https://www.amd.com/en/newsroom/press-r","quote_start":121,"quote_end":281,"text_sha256":"deb6211e99c016ec732f3e73ff4643a0b58bb957493aef4834f854f1687f8fa1","block_sha256":"deb6211e99c016ec732f3e73ff4643a0b58bb957493aef4834f854f1687f8fa1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_86dca3fa-2e30-4774-b2dc-37f084255342"},{"id":"occ_6e57f370960eb462a483366e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_9c6fc242-fff6-49d7-8604-229aceb76296","section_id":"sec_d67f5c32-af4c-413d-8549-aae0bf095a77","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":88,"end":93,"exact":"LPDDR","quote":"PUメモリとCPUメモリのNVIDIA式コヒーレント共有\nNVIDIA CUDA/NVLink前提のAI工場\nLPDDR/NVLink中心の専用AIラック制御\n```","quote_start":33,"quote_end":116,"text_sha256":"ed726942185bf522271703e0f6e4ad0d8f4709587608c322c4a692242344ae36","block_sha256":"ed726942185bf522271703e0f6e4ad0d8f4709587608c322c4a692242344ae36","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_9c6fc242-fff6-49d7-8604-229aceb76296"},{"id":"occ_f064536ead11688e818c6004","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_a9957207-fffe-409d-bf7b-84e7fb857ea1","section_id":"sec_f9bafe6e-b4be-47fb-b715-612ff6462692","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":69,"end":76,"exact":"LPDDR5X","quote":" Multithreading\n   88コアを176スレッドとして使い、多数のAI制御タスクを処理\n\n2. LPDDR5X / SOCAMM\n   CPU側に高帯域・大容量メモリを置き、GPUのHBMを補助\n\n3. NVLink-C2C\n   CPUとRubin GPUを高帯域・低遅延でつなぐ\n\n4. AI制御向け設計\n","quote_start":14,"quote_end":176,"text_sha256":"4a2b91ba61f96dfe40096063d2769223e6684523d7918cec0d0517fd1c73fb80","block_sha256":"4a2b91ba61f96dfe40096063d2769223e6684523d7918cec0d0517fd1c73fb80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_a9957207-fffe-409d-bf7b-84e7fb857ea1"},{"id":"occ_3019daaba0535e32d0279e98","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_b0c4a9ec-d616-4316-b13a-afdc9f3a7af4","section_id":"sec_6f803a19-4889-4c21-91d4-685c52d96787","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":64,"end":68,"exact":"DDR5","quote":"ionは、Google Cloud向けの自社Arm CPUです。C4A VMは最大72 vCPU、576GB DDR5、6TiB Titanium SSD構成があり、bare metalでは96 vCPU/768GB DDR5のプレビュー構成もあります。([Google 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\n88個のNVIDIA独自Olympusコア、176スレッド、最大1.5TB LPDDR5X、1.2TB/sメモリ帯域、1.8TB/s NVLink-C2Cを備えます。([NVIDIA Developer](https://developer.nvidia.com/blog/nvidia-v","quote_start":34,"quote_end":196,"text_sha256":"7ac52b332a6b196474480e0ba4ddf0efd6e948cc5cdde5c2fe81e47a41b24021","block_sha256":"7ac52b332a6b196474480e0ba4ddf0efd6e948cc5cdde5c2fe81e47a41b24021","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_bdfb9c35-afa8-4e40-80cb-4d866b2dd5ad"},{"id":"occ_df4e85763bbb06e8d5e42f5c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_bf75a484-198e-4a43-a195-2c3926a24415","section_id":"sec_8dd3e000-30a9-46e4-8f9a-1510e88c3fdb","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":26,"end":33,"exact":"LPDDR5X","quote":"```\nRubin GPUとのNVLink-C2C\nLPDDR5X/SOCAMMによるGPU HBM補助\nKVキャッシュ管理\n強化学習環境\nagentic AIのサンドボックス実行\nNVIDIAラック全体のGPU稼働率最大化\n```","quote_start":0,"quote_end":116,"text_sha256":"5c0ef6847e367f07483c0e0157f4cb5fb51be7347fedd3f5314942e174f0b85a","block_sha256":"5c0ef6847e367f07483c0e0157f4cb5fb51be7347fedd3f5314942e174f0b85a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_bf75a484-198e-4a43-a195-2c3926a24415"},{"id":"occ_c0fe193a4971dfb316758065","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_c706f5d2-2695-4927-b308-c6db3315a050","section_id":"sec_9af95fb3-8aa0-4929-9174-d043cad8e302","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":83,"end":87,"exact":"DDR5","quote":"a Rubinほど重くありません。  \nHBMやCoWoSを大量に使うAI GPUではなく、TSMC 3nm、DDR5、PCIe Gen6、CXL 3.0を中心とした標準I/O型CPUだからです。","quote_start":28,"quote_end":126,"text_sha256":"e8601c9d04fe301d6808da10784524f22d4dbf6f9fa9b087f60322de21efc8b6","block_sha256":"e8601c9d04fe301d6808da10784524f22d4dbf6f9fa9b087f60322de21efc8b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_c706f5d2-2695-4927-b308-c6db3315a050"},{"id":"occ_6838127ee659e70e8cf43dd7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4","work_id":"wrk_95f3adb2-9ef8-4c60-8a3b-5ded0268dac4","block_id":"blk_d356b7a7-a86c-42bc-ad75-1ae3fa453ab7","section_id":"sec_86d7bb2e-0c83-40ee-bba4-4a5db8633469","layer":"code","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR5X"],"evidence":{"text_basis":"markdown","start":97,"end":101,"exact":"DDR5","quote":"Intel 18Aなど\n\n先端パッケージ\n  CoWoS、SoIC、EFB、Foverosなど\n\nメモリ\n  DDR5、MRDIMM、LPDDR5X/SOCAMM、HBM\n\n基板\n  ABF基板、高多層基板、AIラック向け大型基板\n\nI/O部品\n  PCIe/CXL、SerDes、NIC、DPU、光トランシーバー\n\n","quote_start":42,"quote_end":201,"text_sha256":"8967db1fd9f4f8e1571382e915af10aa02e2aa433385ef4d2e60effaa36eb90a","block_sha256":"8967db1fd9f4f8e1571382e915af10aa02e2aa433385ef4d2e60effaa36eb90a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_93e994ee-fc71-4a2c-868a-e0b16e4b39b4/#blk_d356b7a7-a86c-42bc-ad75-1ae3fa453ab7"},{"id":"occ_72c08054ce213197b45cb518","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_94f3d3d6-6b52-4f98-89a0-318fe428f5cb","work_id":"wrk_43737b34-e6d4-44d7-b140-1cd6aacb15fb","block_id":"blk_27f3993d-39e0-45e6-82ff-91b20a74ed56","section_id":"sec_dfe2e477-cca6-403e-bbbc-2afd8cd90f0e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":57,"end":61,"exact":"DRAM","quote":"データセンター建設\n- 変電所・電力設備\n- Trainium・NVIDIA GPU\n- CPU\n- HBM・DRAM\n- SSD・HDD\n- ネットワーク機器\n- 冷却設備","quote_start":2,"quote_end":89,"text_sha256":"f1396e6cac25186bed20dabc49dc0ffd5708171a983b49473c548ecb12b178fa","block_sha256":"f1396e6cac25186bed20dabc49dc0ffd5708171a983b49473c548ecb12b178fa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_94f3d3d6-6b52-4f98-89a0-318fe428f5cb/#blk_27f3993d-39e0-45e6-82ff-91b20a74ed56"},{"id":"occ_39d099f5cc92cb0cdcb0f363","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_94f3d3d6-6b52-4f98-89a0-318fe428f5cb","work_id":"wrk_43737b34-e6d4-44d7-b140-1cd6aacb15fb","block_id":"blk_6355be1d-5f38-486d-8da5-29b352654895","section_id":"sec_50182486-f1b2-49c4-a195-8c824c744252","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM、DRAM、SSD、HDDの価格上昇がAWSの利益率や新規契約価格へどう転嫁されるかを見る必要がある。","quote_start":0,"quote_end":54,"text_sha256":"29ff0c17ee91f7a0f5330f4c999fa4d59ff0b1eaea19cae8d0c30669844ed0f3","block_sha256":"29ff0c17ee91f7a0f5330f4c999fa4d59ff0b1eaea19cae8d0c30669844ed0f3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_94f3d3d6-6b52-4f98-89a0-318fe428f5cb/#blk_6355be1d-5f38-486d-8da5-29b352654895"},{"id":"occ_133fb766cb1f09cef6e31adb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_977092a4-68df-47ac-8de2-4e66567c8a95","work_id":"wrk_27b36bee-da31-4942-a5ea-33f6f77ddee3","block_id":"blk_54d7a94e-8f10-4334-9b5c-897bae6fbba8","section_id":"sec_06af27ec-4b83-4660-932c-f6e5a9863113","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":105,"end":109,"exact":"DRAM","quote":"すれば価格が上がり、価格が上がれば増産され、数年後に供給が増え、需要の伸びが少しでも鈍れば価格が下がる。これはDRAM、NAND、HBMで形を変えながら繰り返されてきた産業の基本構造である。","quote_start":50,"quote_end":145,"text_sha256":"e18f1b8559a6bf5181fc335587ee438e1086289d5a0cc7092aaf487b15ec3530","block_sha256":"e18f1b8559a6bf5181fc335587ee438e1086289d5a0cc7092aaf487b15ec3530","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_977092a4-68df-47ac-8de2-4e66567c8a95/#blk_54d7a94e-8f10-4334-9b5c-897bae6fbba8"},{"id":"occ_b7faffc147b6a32420cbf76b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_977092a4-68df-47ac-8de2-4e66567c8a95","work_id":"wrk_27b36bee-da31-4942-a5ea-33f6f77ddee3","block_id":"blk_573dc465-73f4-4273-95da-69580eb3de3f","section_id":"sec_efe5d727-e7e6-4075-9660-2ebcd104b507","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"AI半導体、HBM、DRAM、NAND、先端パッケージ、EDA、半導体製造装置、データセンター、発電、送電、液冷、光通信、クラウド、ロボット。これらはすべて、計算文明圏のインフラである。","quote_start":0,"quote_end":93,"text_sha256":"d431415a963da11864ff4fa481a7ff1e599d960965a81498ac13c7d20a6eb267","block_sha256":"d431415a963da11864ff4fa481a7ff1e599d960965a81498ac13c7d20a6eb267","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_977092a4-68df-47ac-8de2-4e66567c8a95/#blk_573dc465-73f4-4273-95da-69580eb3de3f"},{"id":"occ_19b607ef893d705f85589922","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_977092a4-68df-47ac-8de2-4e66567c8a95","work_id":"wrk_27b36bee-da31-4942-a5ea-33f6f77ddee3","block_id":"blk_d8d60255-d886-4931-82c2-92aeb73e3f02","section_id":"sec_b47f9e5e-e760-484c-ba25-c56a12ff9d70","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":63,"end":67,"exact":"DRAM","quote":"ない。  \nAIサービスも伸びる。  \nAIサブスクも従量課金も増える。  \n推論需要も増える。  \nHBM、DRAM、NAND、eSSD、ネットワーク、電力、冷却への需要も続くだろう。","quote_start":8,"quote_end":101,"text_sha256":"7741aa9307e1c5c487fb24e1620608354ac10c3f5636f47ad81d9007350599bf","block_sha256":"7741aa9307e1c5c487fb24e1620608354ac10c3f5636f47ad81d9007350599bf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_977092a4-68df-47ac-8de2-4e66567c8a95/#blk_d8d60255-d886-4931-82c2-92aeb73e3f02"},{"id":"occ_ecc7c628c58762d6601f2068","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d","work_id":"wrk_f4b2ba6d-bd7a-4377-ba28-11230cbeac16","block_id":"blk_4977ced1-af71-4253-b641-069723461d1e","section_id":"sec_e06b69c6-961c-4c1e-ba6c-907c47ea5949","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":54,"end":58,"exact":"DRAM","quote":"ASMLのEXE系High-NA装置は約8nm resolutionを狙い、sub-2nm logicや先端DRAMを対象にしている。 (ASML)","quote_start":0,"quote_end":74,"text_sha256":"f46e8ab8ac6002e8bb3eb16f66268c287b6d70de4a2175c122e2e997dc7023b3","block_sha256":"f46e8ab8ac6002e8bb3eb16f66268c287b6d70de4a2175c122e2e997dc7023b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_9832039f-aefc-4f9c-a4d2-d9fc943e8b1d/#blk_4977ced1-af71-4253-b641-069723461d1e"},{"id":"occ_0d75d07254e8eecbf02ec394","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_9a79fb7c-7189-4703-9970-53ae7a5a375d","work_id":"wrk_77a86f6d-d3e4-4b48-8e1e-f1abfca4d053","block_id":"blk_12385096-f8ae-4cf0-902d-4809a6c2fffb","section_id":"sec_4dfb1af1-79ee-499f-a623-5f17f71bb099","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":404,"end":411,"exact":"3D DRAM","quote":"ET | research/pathfinding |\n| XBM | patent concept |\n| 3D DRAM | research |\n| HBF | standard化・sample段階 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waferを消費するのかを見る。","quote_start":0,"quote_end":33,"text_sha256":"8fbd2047902c9590e35b20e9c27df647fa807186ea589cfc76010ce1511a5f3a","block_sha256":"8fbd2047902c9590e35b20e9c27df647fa807186ea589cfc76010ce1511a5f3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_20481351-dd8a-4bd8-bdd1-ba328914822c"},{"id":"occ_2fbba3330f1e224229289738","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_520042e9-ec59-4a35-9f6a-54dcecaed761","section_id":"sec_e5ffadf2-a65c-47c4-bfc8-b3079b47144e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM DRAM wafer-equivalentは、","quote_start":0,"quote_end":27,"text_sha256":"1d3245837d8f70558dc7d46b4621b33248dbe10709e23dd52148e63374f217c4","block_sha256":"1d3245837d8f70558dc7d46b4621b33248dbe10709e23dd52148e63374f217c4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_520042e9-ec59-4a35-9f6a-54dcecaed761"},{"id":"occ_71b88a25c557a18e69e1f442","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_61142311-7555-42c3-ac54-208f4d2c13a6","section_id":"sec_10b2313d-7545-424b-8ddd-122d214eed76","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"のHBM DRAM wafer需要が発生する。","quote_start":0,"quote_end":23,"text_sha256":"2d6794c30cb2b334814d21dc49e3fc38cb3be69e7bee0b6fb7e0860fa720ebe9","block_sha256":"2d6794c30cb2b334814d21dc49e3fc38cb3be69e7bee0b6fb7e0860fa720ebe9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_61142311-7555-42c3-ac54-208f4d2c13a6"},{"id":"occ_e668a6148c8c3fb0925ca402","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_6d52b560-fac4-4972-b1aa-2248c3958a08","section_id":"sec_b662da1b-fd3e-4f09-95e1-7f64658595aa","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":45,"end":49,"exact":"DRAM","quote":"**1MWの電力から何tokenを生み、そのために何TBのHBM、何PB/sの帯域、何枚のDRAM wafer、何枚のN3 wafer、何Tb/sのnetworkを必要とするのか**","quote_start":0,"quote_end":91,"text_sha256":"a684ff5481c438b0831034dfd3e7c333d514b20008b50ac675f2a45448ae6e8c","block_sha256":"a684ff5481c438b0831034dfd3e7c333d514b20008b50ac675f2a45448ae6e8c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_6d52b560-fac4-4972-b1aa-2248c3958a08"},{"id":"occ_339ba27dba9588e4103b17c7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_80a80df4-b14d-4001-8ad0-7bac3037c3e8","section_id":"sec_f42ad92a-7d0d-4623-a0a4-fd5982c3d10e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBM  \nDRAM  \nAdvanced Foundry  \nAI Infrastructure","quote_start":0,"quote_end":49,"text_sha256":"f980f18fbf83a284ad5c78b00945d04cce4e70d6d86aabb10d6393762ccf8c53","block_sha256":"f980f18fbf83a284ad5c78b00945d04cce4e70d6d86aabb10d6393762ccf8c53","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_80a80df4-b14d-4001-8ad0-7bac3037c3e8"},{"id":"occ_0099868d56773e392e2aac68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_8f257e8b-59d1-4d16-b59c-2944db211d6b","section_id":"sec_0a17111a-c997-4fe7-9473-59a409060566","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":138,"end":142,"exact":"DRAM","quote":".5kW、8i＝1.15kWはGoogle非公表のため分析用仮定である。HBM waferについても24Gb DRAM die、12Hi、430～500 good die/300mm waferという共通モデルを使ったDRAM wafer-equivalentで、各社実際のdie size、yield、stack l","quote_start":83,"quote_end":242,"text_sha256":"f88b1021e0d52f5742b9381c76119dd04e1327b462f1cf5e8858ed45eecdcf84","block_sha256":"f88b1021e0d52f5742b9381c76119dd04e1327b462f1cf5e8858ed45eecdcf84","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_8f257e8b-59d1-4d16-b59c-2944db211d6b"},{"id":"occ_c0f9c0c3894e9a28a1224cf5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_9b2e259c-3e9c-481d-a5aa-dd1ac176f8a5","section_id":"sec_46194491-1973-42ac-a8bb-9a909645bccc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## HBM DRAM wafer-equivalent / 1MW","quote_start":0,"quote_end":34,"text_sha256":"aeff7187bb14f69597b0999bb57c32a46b658b2dadebc1a23bd2422d9bdb0dc1","block_sha256":"aeff7187bb14f69597b0999bb57c32a46b658b2dadebc1a23bd2422d9bdb0dc1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_9b2e259c-3e9c-481d-a5aa-dd1ac176f8a5"},{"id":"occ_ed0c3046007d67040a040129","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_9c7c566a-4594-48e1-87b8-5d689c36a105","section_id":"sec_c3c1810c-4904-4381-8d31-204ec3915d07","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":61,"end":65,"exact":"DRAM","quote":"はGoogleがHBMのstack構成や世代を公式には明示していないため、ここも**36GB・12Hi換算したDRAM wafer-equivalent**として扱う。","quote_start":6,"quote_end":90,"text_sha256":"292f40a595d5f440da7f7ab51188a63d1e187eac9c0d9f82843379e5f26e3570","block_sha256":"292f40a595d5f440da7f7ab51188a63d1e187eac9c0d9f82843379e5f26e3570","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_9c7c566a-4594-48e1-87b8-5d689c36a105"},{"id":"occ_438d16f231d95e64065b30c8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_a1982ca7-cbfc-497a-bb83-aff2ebcbb097","section_id":"sec_c3c1810c-4904-4381-8d31-204ec3915d07","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"さらに24Gb HBM DRAMで、","quote_start":0,"quote_end":18,"text_sha256":"1c5a189f70fb9e82d513f841b592aa1daea2e575dbe95a7e56d6e15e0d9fbd7b","block_sha256":"1c5a189f70fb9e82d513f841b592aa1daea2e575dbe95a7e56d6e15e0d9fbd7b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_a1982ca7-cbfc-497a-bb83-aff2ebcbb097"},{"id":"occ_5ec434fb425a9537d1ba968f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_a9d972a1-fbf2-49c5-b89b-10f69aaa0f6d","section_id":"sec_f93fb24f-d4a0-4f4e-b791-ec427c32c624","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"SamsungはBroadcomへ単にDRAMを販売したいのではない。","quote_start":0,"quote_end":35,"text_sha256":"d453cc1d396b34307bf52b3a5958b5087418377674b94d160414bd98c5eeeac5","block_sha256":"d453cc1d396b34307bf52b3a5958b5087418377674b94d160414bd98c5eeeac5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_a9d972a1-fbf2-49c5-b89b-10f69aaa0f6d"},{"id":"occ_db22742b29e775af0303efd6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_e49bb09f-2ff8-415e-8c01-47bb61b94dd3","section_id":"sec_46194491-1973-42ac-a8bb-9a909645bccc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":62,"end":66,"exact":"DRAM","quote":"logic base die wafer、TSV/stacking/test yield、spareを含まないDRAM front-end wafer-equivalentなので、実際の投入waferはさらに増える可能性がある。","quote_start":7,"quote_end":121,"text_sha256":"b4e5c67fc4f4efbab140aa44b9c9228373a729dfb0b61bd399ec4f86bac463a4","block_sha256":"b4e5c67fc4f4efbab140aa44b9c9228373a729dfb0b61bd399ec4f86bac463a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_e49bb09f-2ff8-415e-8c01-47bb61b94dd3"},{"id":"occ_beb2246f13169b6533fab7ca","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_ebdb2d87-d137-4a01-b6d9-1f2138dfdde1","section_id":"sec_178b6daf-8747-49ba-aa94-a9fd42c3ceef","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"**約1.1～1.2万枚のHBM DRAM wafer-equivalent**","quote_start":0,"quote_end":40,"text_sha256":"f5fda668798c37fcd4d428dc1f7a5249fdc760c8e92f8a7e99843ebf0a990ca2","block_sha256":"f5fda668798c37fcd4d428dc1f7a5249fdc760c8e92f8a7e99843ebf0a990ca2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_ebdb2d87-d137-4a01-b6d9-1f2138dfdde1"},{"id":"occ_eb0e3875092844830fe7933d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a165cefe-658c-456f-b164-71170f172e7c","work_id":"wrk_52bd95ff-8ae9-42ac-a817-cc820320dd76","block_id":"blk_eca1730f-ea63-4011-8d2c-2fd154eb7dbf","section_id":"sec_9c7417c8-15ac-4889-a70e-becea6d0ed08","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"のHBM DRAM wafer-equivalentが必要になる。","quote_start":0,"quote_end":33,"text_sha256":"0ec52e08dee01fae6e7592be2fffe01a0be29f8f2b954f44428680c127cb9e81","block_sha256":"0ec52e08dee01fae6e7592be2fffe01a0be29f8f2b954f44428680c127cb9e81","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a165cefe-658c-456f-b164-71170f172e7c/#blk_eca1730f-ea63-4011-8d2c-2fd154eb7dbf"},{"id":"occ_d07c22863d8af5703f6f3a88","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_a4ac5d36-1f5a-46dd-8f4b-fcc2f37b202b","section_id":"sec_51be6fa5-f347-4eed-b9d7-24112d8788e3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"ホストCPUとホストDRAMを迂回するため、余計なメモリコピーとCPU負荷を減らせる。Google公式資料はこの境界を「TPU HBMとNICの直接転送」と説明しているが、使用されるNIC ASICの詳細までは同資料で公開してい","quote_start":0,"quote_end":114,"text_sha256":"c15e46db50e85f19c863acb17960f1208101d9c3985838919430ad8bcbb80588","block_sha256":"c15e46db50e85f19c863acb17960f1208101d9c3985838919430ad8bcbb80588","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_a4ac5d36-1f5a-46dd-8f4b-fcc2f37b202b"},{"id":"occ_c9b799a584cbbf3d090ab355","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a199924e-5c69-4344-bb57-0e0a36cda082","work_id":"wrk_025fb061-467f-4f76-974c-2b1ecbd5a160","block_id":"blk_d605e739-a67a-4526-9e1d-2d04efd68ff8","section_id":"sec_34394801-29df-431d-beb2-38ca411c1f99","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":119,"end":123,"exact":"DDR5","quote":"trum-X・Quantum-X・ACF-S系技術による\n低遅延で平坦なscale-out\n\n第3層\nCXL DDR5・NVMe・外部メモリによる\nメモリ容量の拡張\n```","quote_start":64,"quote_end":150,"text_sha256":"6b7a28d024f64de6135779ccdeb2636a0bcf60dce4abcc0713c01a37704a9696","block_sha256":"6b7a28d024f64de6135779ccdeb2636a0bcf60dce4abcc0713c01a37704a9696","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a199924e-5c69-4344-bb57-0e0a36cda082/#blk_d605e739-a67a-4526-9e1d-2d04efd68ff8"},{"id":"occ_e082e65627af1761f4a71863","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"title","start":5,"end":9,"exact":"DRAM","quote":"NAND・DRAM・HBMの違いから始める、AI時代のメモリー入門","quote_start":0,"quote_end":33,"text_sha256":"2b7e1827f6436f5c366ae5582360dd8dbef10c54fcf17a314ce00d2085ec2497","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/"},{"id":"occ_3d8b273f9297bf2e1547d3f1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_031756ca-7aec-49a7-8bd0-e005ca87d5e1","section_id":"sec_499c0cc1-9477-486d-9c42-0196273be2a3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"実際、TrendForceは2026年第3四半期のエンタープライズSSDについて、SSD内部に使うDRAM不足が一部の高性能製品の供給を制約していると指摘している。([TrendForce][5])","quote_start":0,"quote_end":99,"text_sha256":"df60281f490c385b8c8f01a33105161bd3431375f68856a435ca182c092a9d48","block_sha256":"df60281f490c385b8c8f01a33105161bd3431375f68856a435ca182c092a9d48","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_031756ca-7aec-49a7-8bd0-e005ca87d5e1"},{"id":"occ_aad50dbfe6ce5e5dfbe1b8fb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_0fc84597-a8dc-4f42-a571-0f6348888306","section_id":"sec_1de5eeff-df55-485d-9c5a-d148ebf6d49b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"HBMほど低遅延、高帯域ではないが、HBMより大容量化しやすく、NANDなので不揮発で、DRAMより待機電力を抑えやすく、重みや使用頻度の低いデータを置ける可能性がある。","quote_start":0,"quote_end":85,"text_sha256":"9a48f20cfebc0edf942cb3f20a2f9773fb788a9320822da2d1341ea73c127fda","block_sha256":"9a48f20cfebc0edf942cb3f20a2f9773fb788a9320822da2d1341ea73c127fda","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_0fc84597-a8dc-4f42-a571-0f6348888306"},{"id":"occ_2de812868c25ef0c3d939e12","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_1c9e645d-7ebc-4ec9-b131-67cf46ae122d","section_id":"sec_da91ec28-49ef-4541-a7b0-adcc4bcd7950","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは、PC、スマートフォン、サーバーの主記憶として使われるメモリーである。電源を切るとデータが消える揮発性メモリーで、SRAMより遅い一方、はるかに高密度で安価に作れる。","quote_start":0,"quote_end":88,"text_sha256":"d0e1c93e1ea914521531a16e7dd2742eeae730390d39ced63c2851d402262e32","block_sha256":"d0e1c93e1ea914521531a16e7dd2742eeae730390d39ced63c2851d402262e32","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_1c9e645d-7ebc-4ec9-b131-67cf46ae122d"},{"id":"occ_934a52cdf8451779ecd69d71","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_24e6a3ef-0a92-4806-b7a9-1438c3c4a30d","section_id":"sec_23f9ab68-383d-471a-a826-85b355089889","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"SamsungはNAND、DRAM、SSDコントローラーを自社で持つ垂直統合が強い。SK hynixはHBMとサーバーDRAM、Solidigmは大容量QLC SSDに強い。MicronはDRAM、HBM、NAND、SSDを一体で供給","quote_start":0,"quote_end":117,"text_sha256":"3752ec886552403046580f3794c1fc11e97f4a39c0f14d8f7b0c7849a2f49b56","block_sha256":"3752ec886552403046580f3794c1fc11e97f4a39c0f14d8f7b0c7849a2f49b56","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_24e6a3ef-0a92-4806-b7a9-1438c3c4a30d"},{"id":"occ_9e7c622245302c9f183957f3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_26d4ced6-3806-475e-805b-acad350be401","section_id":"sec_eff0e568-be37-47e2-b372-52259b87dc85","layer":"character","character_id":"sil_kathna","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"人々はHBMを求め、DRAMを奪い合い、NANDを積み、HDDへ流し、磁気テープへ沈める。速さだけでは足りず、容量だけでも足りない。近さと遠さ、熱と電力、価格と遅延のすべてが、ひとつの呼吸になる。","quote_start":0,"quote_end":98,"text_sha256":"2e8ec02bc6671a53d0fc943589c95037fd3946af3e964c74abc9dea452b09c8e","block_sha256":"2e8ec02bc6671a53d0fc943589c95037fd3946af3e964c74abc9dea452b09c8e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_26d4ced6-3806-475e-805b-acad350be401"},{"id":"occ_0996c380922944fde002d1a1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_30f0b7b0-e5c0-4f77-a884-cd840aadc9b0","section_id":"sec_f10434b8-c22f-455c-829a-1bde8a31086e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":82,"end":86,"exact":"DRAM","quote":"に高くなり、PCやスマートフォン企業がそれ以上の値上げを製品価格へ転嫁できなくなりつつあるためである。サーバーDRAMは依然として供給不足で、メーカーは引き続きAI、サーバー向けを優先している。([TrendForce][5])","quote_start":27,"quote_end":141,"text_sha256":"2b18f19b0eb8d5e6c1f16fd453cb4575cc5fc662a6496ed8c025243df19e0887","block_sha256":"2b18f19b0eb8d5e6c1f16fd453cb4575cc5fc662a6496ed8c025243df19e0887","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_30f0b7b0-e5c0-4f77-a884-cd840aadc9b0"},{"id":"occ_4b8f6460da23915499ed5960","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_3707799a-39f0-4921-b9c9-0a4b334b76bf","section_id":"sec_cd9a08d8-72d1-4d50-968c-c9f048a2212c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"従来は、CPUキャッシュ、DRAM、SSD、HDDという比較的単純な階層だった。AI推論では、KVキャッシュや長いコンテキストを管理するため、さらに細かい階層が必要になる。","quote_start":0,"quote_end":86,"text_sha256":"c86e0738d4eca8b9f8d9b66c33d17ab872e45a139ee7098de495372cb79e635b","block_sha256":"c86e0738d4eca8b9f8d9b66c33d17ab872e45a139ee7098de495372cb79e635b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_3707799a-39f0-4921-b9c9-0a4b334b76bf"},{"id":"occ_a65cd1a253200d0c7b7b273f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_3e79bc65-eb69-4b17-ab51-c10323ef5152","section_id":"sec_0b58c037-c81b-4a1b-b35b-a14aa5bfd960","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DRAM","quote":"現在のメモリー市場で最も重要なのは製品ミックスである。メーカーが利益率の高いHBM、サーバーDRAM、QLC eSSD、車載、産業用製品へ能力を振り向けると、PC、スマートフォン、民生機器向け製品が不足する。市場全体のウェハー能力が変わらなくても、製品別には深刻な不足が起こる。","quote_start":0,"quote_end":139,"text_sha256":"5eec20c074f8021a2ebd0d5fd58ec6802e0740d00a00680ae2056a0481bbeab6","block_sha256":"5eec20c074f8021a2ebd0d5fd58ec6802e0740d00a00680ae2056a0481bbeab6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_3e79bc65-eb69-4b17-ab51-c10323ef5152"},{"id":"occ_9843b189fe042a34aaa06688","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_46671a96-d719-49b5-9fd3-be8a1848438f","section_id":"sec_f9810a25-01be-4330-b139-e24ac15e5016","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMとNANDは、需要が一直線に増える産業ではない。価格上昇と供給過剰を繰り返すため、「メモリーサイクル」と呼ばれる。","quote_start":0,"quote_end":61,"text_sha256":"29c3f461b16641572b68e64c1f1ea10d9104a9326946a519d81ee8be794a8e99","block_sha256":"29c3f461b16641572b68e64c1f1ea10d9104a9326946a519d81ee8be794a8e99","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_46671a96-d719-49b5-9fd3-be8a1848438f"},{"id":"occ_eb07385ae2c7a7e369c2b932","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_485a7d70-f34f-4bad-8a89-0fa83835c82c","section_id":"sec_c5eda798-9d77-42f8-aeaf-62c8054dc7b2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"つまりHBMは高価格で利益率も高いが、**通常DRAMの供給能力を大きく消費する製品**でもある。","quote_start":0,"quote_end":49,"text_sha256":"64fdabb587eee6d4a72a37a353a07dbd39b4dcd13f845d71b2a5c1578daf7afe","block_sha256":"64fdabb587eee6d4a72a37a353a07dbd39b4dcd13f845d71b2a5c1578daf7afe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_485a7d70-f34f-4bad-8a89-0fa83835c82c"},{"id":"occ_a5ab3d1cf7373168da989c5a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_51cac876-b12a-4816-b901-76b327efd346","section_id":"sec_703aae52-de2d-4c5f-8b89-fdf67afcf07b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMが作業机なら、NANDは書類棚に近い。","quote_start":0,"quote_end":23,"text_sha256":"6d1a82f1a8ea057245da31a72c1ee7924aa521606252603bbfe7c420eab5b7e1","block_sha256":"6d1a82f1a8ea057245da31a72c1ee7924aa521606252603bbfe7c420eab5b7e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_51cac876-b12a-4816-b901-76b327efd346"},{"id":"occ_09818669d2dce3d6b713a9e6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_599c8c71-50c1-4857-8557-60ae0903cb60","section_id":"sec_da91ec28-49ef-4541-a7b0-adcc4bcd7950","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DDR5","quote":"| 種類 | 主な用途 |\n| --- | --- |\n| DDR5 | PC、サーバー |\n| RDIMM | 大容量サーバーメモリー |\n| LPDDR | スマートフォン、ノートPC、省電力AIサーバー |\n| GDDR | GPU、グラフィックス |\n| HB","quote_start":0,"quote_end":134,"text_sha256":"6bf4f8e1d57a5b20349a3a0cd2ebaaa13c7ce230f319e516dac90cb41ae4e244","block_sha256":"6bf4f8e1d57a5b20349a3a0cd2ebaaa13c7ce230f319e516dac90cb41ae4e244","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_599c8c71-50c1-4857-8557-60ae0903cb60"},{"id":"occ_0c615047a2356ad9b7378284","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_5a36711c-c29b-4c3e-9ff7-40ddf8c3f6a1","section_id":"sec_c28387d1-4fe7-4d54-9fa5-72a0ba849813","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"HBMはHigh Bandwidth Memoryの略で、DRAMダイを縦に積み重ね、GPUやAI ASICの近くに置くメモリーである。","quote_start":0,"quote_end":68,"text_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","block_sha256":"626e27d039cb45b6f94b87d2f2e40d7fad7d62070944e14b7d11d99ef2147326","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_5a36711c-c29b-4c3e-9ff7-40ddf8c3f6a1"},{"id":"occ_6d5faf03517457741eb3c7c0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_5dfa7ec8-fa13-46d2-80e6-4bf44eec1273","section_id":"sec_c5eda798-9d77-42f8-aeaf-62c8054dc7b2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## 9. HBMが普通のDRAMまで不足させる理由","quote_start":0,"quote_end":26,"text_sha256":"7da95aaf959ee7d1120bbb8050903b55522e1c611ab81d332f7d72f978f6790c","block_sha256":"7da95aaf959ee7d1120bbb8050903b55522e1c611ab81d332f7d72f978f6790c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_5dfa7ec8-fa13-46d2-80e6-4bf44eec1273"},{"id":"occ_6b8fc29c7c2d6450905a56ac","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_60f865e3-2d7c-462f-a716-7cccc9a39bdc","section_id":"sec_e6012d4e-200f-4ead-b724-1d93ca58546e","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"、その全部を必要としています。演算器のすぐ近くにはSRAMが必要で、GPUの横にはHBMが必要で、CPU側にはDRAMが必要で、RAGやKVキャッシュにはSSDが必要で、長期保存にはHDDやテープが必要になる。","quote_start":4,"quote_end":109,"text_sha256":"5e80a103b2bf016075b3f90e3efaf3b783d2175e9d953a64927934a0f02d8cab","block_sha256":"5e80a103b2bf016075b3f90e3efaf3b783d2175e9d953a64927934a0f02d8cab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_60f865e3-2d7c-462f-a716-7cccc9a39bdc"},{"id":"occ_22df2556683e80ba7ba10115","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_62aa2ca8-75bf-4c10-9073-1efc57d140da","section_id":"sec_210e9ac8-783e-4928-aa8c-ff7d356540b1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":35,"end":39,"exact":"DRAM","quote":"**絶ノイア:** そしてAI推論では、その間の階層がどんどん増える。DRAM、CXL、TLC SSD、共有フラッシュ、HBF。","quote_start":0,"quote_end":64,"text_sha256":"d624c0e12d7f4d051bc41912d70f5a06f00d9bde5c509733e64d0127cff8291e","block_sha256":"d624c0e12d7f4d051bc41912d70f5a06f00d9bde5c509733e64d0127cff8291e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_62aa2ca8-75bf-4c10-9073-1efc57d140da"},{"id":"occ_eeb3943b44b6ae3eaabe51cf","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_64f6442f-f976-41d4-9d2d-1ec762317dee","section_id":"sec_e6012d4e-200f-4ead-b724-1d93ca58546e","layer":"character","character_id":"zetu_noia","count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":28,"end":32,"exact":"DRAM","quote":"メモリーの話は、最初は言葉が多くて少し怖いです。HBM、DRAM、NAND、SRAM、CXL、HBF、XL-FLASH。けれど、中心にある考え方はとても素直です。","quote_start":0,"quote_end":81,"text_sha256":"82ca03c8fe2f5d494a989c5e1a788e6abcc9c09aa6d29e411821bb2a71c32818","block_sha256":"82ca03c8fe2f5d494a989c5e1a788e6abcc9c09aa6d29e411821bb2a71c32818","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_64f6442f-f976-41d4-9d2d-1ec762317dee"},{"id":"occ_17d63a607da1d191e661934d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_6c9019be-6606-4f90-b237-986b69fb6179","section_id":"sec_39cf1830-0b21-48de-b81d-ece79b7f73f1","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":74,"end":78,"exact":"DRAM","quote":"  → SRAM\n\n現在計算しているモデル / KV\n  → HBM\n\n一時退避 / CPU作業領域\n  → DRAM\n\n近いうちに再利用するデータ\n  → XL-FLASH / TLC SSD / CMX\n\n大量のモデル、RAG、Warm KV\n  → QLC SSD / 将来のHBF\n\n使用頻度の低いデータ\n  ","quote_start":19,"quote_end":178,"text_sha256":"87c34e9f836f633c70e5ef26a9005020fc73dc03497606e5baec5a3e91d64c6a","block_sha256":"87c34e9f836f633c70e5ef26a9005020fc73dc03497606e5baec5a3e91d64c6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_6c9019be-6606-4f90-b237-986b69fb6179"},{"id":"occ_3d8c99a30151262a934534fc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_75049462-3fbd-4ac9-aaaa-27c025379903","section_id":"sec_c5eda798-9d77-42f8-aeaf-62c8054dc7b2","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DDR5","quote":"HBMとDDR5は完全に同じ製品ではないが、上流ではDRAMウェハー、生産設備、人員、材料の一部を共有する。","quote_start":0,"quote_end":54,"text_sha256":"93eba39af7afa28a87cb3c13be1f2555cf90d2f030fca83aabc12c338bb3b8ad","block_sha256":"93eba39af7afa28a87cb3c13be1f2555cf90d2f030fca83aabc12c338bb3b8ad","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_75049462-3fbd-4ac9-aaaa-27c025379903"},{"id":"occ_aa6f317acd2964fa203a30d4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_7812fee4-d8de-4215-a1b6-bf3d7679c16c","section_id":"sec_3e0fe865-2b90-4ccd-a4de-0deb5127350f","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":147,"end":151,"exact":"DDR5","quote":"g Foundry、Intel Foundry、EDA、テスト、接合装置 |\n| 作業用メモリー | HBM、DDR5、RDIMM、LPDDR、CXLメモリー | Samsung、SK hynix、Micron |\n| 半導体ストレージ | TLC、QLC、XL-FLASH、eSSD、HBF | Samsung、SK","quote_start":92,"quote_end":251,"text_sha256":"101c030b7dad26f4981ae4f04d9fa87c13422dc8ade9168b309bae786711dabb","block_sha256":"101c030b7dad26f4981ae4f04d9fa87c13422dc8ade9168b309bae786711dabb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_7812fee4-d8de-4215-a1b6-bf3d7679c16c"},{"id":"occ_c969a24583059f4d2e7aeaee","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_7a6b5a1b-898c-437c-b3b4-8728d058421b","section_id":"sec_911f6481-5631-4257-a6fa-9ed83ea09969","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"XL-FLASHは、通常のTLCやQLCより低遅延、高耐久を狙ったフラッシュである。位置付けとしては、DRAMと一般的なNAND SSDの間に近い。","quote_start":0,"quote_end":74,"text_sha256":"e0c14e352937d39a6cf721230da6496486e4e6ee8486bbffc64aefa3523abe33","block_sha256":"e0c14e352937d39a6cf721230da6496486e4e6ee8486bbffc64aefa3523abe33","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_7a6b5a1b-898c-437c-b3b4-8728d058421b"},{"id":"occ_3135093dcded43bc4dad42ab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_86fae00e-6978-4d4f-8e1b-19d8d668ba25","section_id":"sec_82cc9a58-8a6c-4a2a-b3fc-2f89c642aebe","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":67,"end":72,"exact":"LPDDR","quote":"推論、学習、画像処理、エッジ処理などに最適化される。レジスタ、ローカルSRAM、共有SRAM、HBM、DDR、LPDDRの配分は、製品の用途に合わせて変わる。","quote_start":12,"quote_end":91,"text_sha256":"31ffd537ed1181cad5733afe144570a6f75fc893718e8c60b6bdf0a830f02fbb","block_sha256":"31ffd537ed1181cad5733afe144570a6f75fc893718e8c60b6bdf0a830f02fbb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_86fae00e-6978-4d4f-8e1b-19d8d668ba25"},{"id":"occ_aec3f44a3ad3165ea28e9b01","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_8c40552a-05c5-467b-8bfe-85185728fbfe","section_id":"sec_4dccfbcb-dbea-4414-80dc-64144a649663","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":105,"end":109,"exact":"DRAM","quote":"持っている数字 | 演算直前のデータ |\n| SRAM | 机の上 | 頻繁に使うデータ |\n| HBM / DRAM | 机の引き出し | 作業中のモデルやデータ |\n| NAND / SSD | 書類棚 | 後で使うデータ |\n| HDD | 倉庫 | 大量の保存データ |\n| 磁気テープ | 遠隔地の保管庫 |","quote_start":50,"quote_end":209,"text_sha256":"e90a490d79e5501fa2d7912e087c1e765fcf93e1603da21b6dd7a440d53b1e11","block_sha256":"e90a490d79e5501fa2d7912e087c1e765fcf93e1603da21b6dd7a440d53b1e11","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_8c40552a-05c5-467b-8bfe-85185728fbfe"},{"id":"occ_26907f81a16941a4c050d511","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_94e24c30-6b11-4d1e-937e-409eb037bf1a","section_id":"sec_0cbfdb8e-e3e7-4975-a447-2b77624523a5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## 4. SRAMはDRAM不足を解決できるのか","quote_start":0,"quote_end":25,"text_sha256":"03d425addd8f6f480088de86b157e29135f3c49f13949b1083af4b58df29da78","block_sha256":"03d425addd8f6f480088de86b157e29135f3c49f13949b1083af4b58df29da78","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_94e24c30-6b11-4d1e-937e-409eb037bf1a"},{"id":"occ_156b00dd5509ec627284cf5f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_97538b37-c01c-4e95-8356-0b22680ea10c","section_id":"sec_499c0cc1-9477-486d-9c42-0196273be2a3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"きず、消去、再配置、ウェアレベリング、不良ブロック管理が必要になる。SSD容量が大きくなるほど、これを管理するDRAMの重要性も増す。","quote_start":16,"quote_end":83,"text_sha256":"ad5577971cc2086bd54439c6ec10243097a07a3adfe7fc77b9301a42a11738f7","block_sha256":"ad5577971cc2086bd54439c6ec10243097a07a3adfe7fc77b9301a42a11738f7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_97538b37-c01c-4e95-8356-0b22680ea10c"},{"id":"occ_9cae85522c02a434bad4a0fd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_98d0dd01-5c1a-4058-a190-eea65a477a07","section_id":"sec_f10434b8-c22f-455c-829a-1bde8a31086e","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"2026年第1四半期には、一般DRAMの契約価格が前四半期比で約93から98％上昇し、DRAM業界売上は81％増の970億ドルに達した。第2四半期も一般DRAM価格は58から63％上昇したとTrendForceは推計している。([Tren","quote_start":0,"quote_end":119,"text_sha256":"373f308b38962c606fe4ca20301b93b7228dd44012956a745124c8515ad77608","block_sha256":"373f308b38962c606fe4ca20301b93b7228dd44012956a745124c8515ad77608","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_98d0dd01-5c1a-4058-a190-eea65a477a07"},{"id":"occ_7d82c9f87fec7f851cf13b3e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_9a030577-66fd-4a5d-9dd5-5c68f7d15d12","section_id":"sec_499c0cc1-9477-486d-9c42-0196273be2a3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"したがって、高性能なエンタープライズSSDはNANDさえあれば作れるわけではない。DRAM、コントローラー、ファームウェア、電源部品のどれかが不足しても完成品を出荷できない。","quote_start":0,"quote_end":87,"text_sha256":"c80a33205d306f7e3f524890159eb98a62204dab5842d2a6790387fc6eea4122","block_sha256":"c80a33205d306f7e3f524890159eb98a62204dab5842d2a6790387fc6eea4122","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_9a030577-66fd-4a5d-9dd5-5c68f7d15d12"},{"id":"occ_3afdcbf846eaf17b78c42567","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_9af88d62-b6ee-402a-a461-d889b00308b6","section_id":"sec_cf1cc892-ee8e-4553-9ff2-b591c1a706c7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":39,"end":43,"exact":"DRAM","quote":"SRAMの長所は、非常に低遅延で、帯域が広く、演算器のすぐ近くに置けることだ。DRAMのようなリフレッシュも不要である。","quote_start":0,"quote_end":60,"text_sha256":"6dc2ef7cba7aabf7baca031697cd4352339f36ade0d84af2e862e1741e0101a6","block_sha256":"6dc2ef7cba7aabf7baca031697cd4352339f36ade0d84af2e862e1741e0101a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_9af88d62-b6ee-402a-a461-d889b00308b6"},{"id":"occ_d66f4c9b0a987d39f69490a9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_9e9b49f1-9153-47a2-91be-799ad9ca9dda","section_id":"sec_0b58c037-c81b-4a1b-b35b-a14aa5bfd960","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdow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在庫 | メーカー、顧客、流通の在庫水準 |\n| ウェハー投入量 | 新工場、減産、HBM / DDR / LPDDRへの配分 |\n| 世代移行と歩留まり | 新工程が名目能力通りに出荷できるか |\n| 製品ミックス | HBM、サーバーDRAM、QLC eSSD、車載など高付加価値品への偏り |","quote_start":124,"quote_end":274,"text_sha256":"8b846514a0749d4ba03d05f1ea9d4435df3bfa0cb49db82d8dbb69f4e36a1902","block_sha256":"8b846514a0749d4ba03d05f1ea9d4435df3bfa0cb49db82d8dbb69f4e36a1902","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_9e9b49f1-9153-47a2-91be-799ad9ca9dda"},{"id":"occ_2f2daf58f833829a85e8cb38","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_a341c323-489e-486e-b541-957fa62385e8","section_id":"sec_16b0f621-9260-4771-872d-c99443339219","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"# NAND・DRAM・HBMの違いから始める、AI時代のメモリー入門","quote_start":0,"quote_end":35,"text_sha256":"581ec901835414acdfde323246efc8c1dc4556e6ddc3655c427d460b422f046e","block_sha256":"581ec901835414acdfde323246efc8c1dc4556e6ddc3655c427d460b422f046e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_a341c323-489e-486e-b541-957fa62385e8"},{"id":"occ_bd63ff66d2637d01abcd8d6e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_a6fbd685-529d-42ef-ab97-288b68005707","section_id":"sec_cf1cc892-ee8e-4553-9ff2-b591c1a706c7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":122,"end":126,"exact":"DRAM","quote":"や数TBを安価に積む用途には向かない。SemiAnalysisは、SRAMを「非常に高速だが低密度」、DDR DRAMを「高密度で安価だが帯域が小さい」、HBMをその中間でAI向けに適したメモリーと整理している。([SemiAnalysis][1])","quote_start":67,"quote_end":192,"text_sha256":"b926f94769b34142f125834671ad0810e6665acd49865de4bfe9ed9b4b561f29","block_sha256":"b926f94769b34142f125834671ad0810e6665acd49865de4bfe9ed9b4b561f29","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_a6fbd685-529d-42ef-ab97-288b68005707"},{"id":"occ_bd7bd8744b40783df6ad018a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_a956023d-e8df-4cad-bcf9-9718c4e71a2d","section_id":"sec_c5eda798-9d77-42f8-aeaf-62c8054dc7b2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":73,"end":77,"exact":"DRAM","quote":"層に使える良品ダイが必要で、冗長性を持たせ、高い歩留まりを要求される。そのため、同じウェハー量を使っても、通常DRAMほど多くのビットを出荷できない。","quote_start":18,"quote_end":93,"text_sha256":"75b61e378128170a31f7cadc0b3ede67ab62c2bb3996aa37cbebfa10256c82d9","block_sha256":"75b61e378128170a31f7cadc0b3ede67ab62c2bb3996aa37cbebfa10256c82d9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_a956023d-e8df-4cad-bcf9-9718c4e71a2d"},{"id":"occ_e1498d697529fae66aa54e5d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_aabd6a50-eb54-41d8-b272-e3b51884ca40","section_id":"sec_da91ec28-49ef-4541-a7b0-adcc4bcd7950","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 6. DRAMとは何か","quote_start":0,"quote_end":14,"text_sha256":"bd39c19d3bb438af7ec724b8ff26abd31db37de023306faedc2139382a2ee071","block_sha256":"bd39c19d3bb438af7ec724b8ff26abd31db37de023306faedc2139382a2ee071","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_aabd6a50-eb54-41d8-b272-e3b51884ca40"},{"id":"occ_ce0a67bbb8a26fb0811af8a3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_b5aaac42-5e24-4385-9cb4-b73c0082753b","section_id":"sec_499c0cc1-9477-486d-9c42-0196273be2a3","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"```text\nNANDフラッシュ\n  + SSDコントローラー\n  + DRAM\n  + ファームウェア\n  + 電源断保護\n  + PCIe / NVMeインターフェース\n```","quote_start":0,"quote_end":91,"text_sha256":"8da708296856c3b9931581e00028df1b006701a9150174ba0ac6331082c85d08","block_sha256":"8da708296856c3b9931581e00028df1b006701a9150174ba0ac6331082c85d08","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_b5aaac42-5e24-4385-9cb4-b73c0082753b"},{"id":"occ_3db098958dcb4b703e804570","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_bae36042-206f-4e7f-ae31-00fd29519daf","section_id":"sec_cd9a08d8-72d1-4d50-968c-c9f048a2212c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":87,"end":91,"exact":"DRAM","quote":"| --- |\n| G1 | GPU HBM | 現在使っているActive KV |\n| G2 | システムDRAM | HBMから退避したKV |\n| G3 | ローカルSSD | 近いうちに再利用するKV |\n| G3.5 | 共有フラッシュ | 複数GPU間で共有するWarm KV |\n| G4 | ネットワ","quote_start":32,"quote_end":191,"text_sha256":"5970203bc7e12bf298619b99b883315b3b316c1ad5a6360e35ae5b2cc59a719a","block_sha256":"5970203bc7e12bf298619b99b883315b3b316c1ad5a6360e35ae5b2cc59a719a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_bae36042-206f-4e7f-ae31-00fd29519daf"},{"id":"occ_6b7aabece16d0c56026cbb29","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_c08880a8-df58-4a80-b49f-68504335d2b2","section_id":"sec_da91ec28-49ef-4541-a7b0-adcc4bcd7950","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMには用途ごとに複数の種類がある。","quote_start":0,"quote_end":20,"text_sha256":"92b3f1e62d289dd8c17dd62f2f033ac7976f9b473b197834d0d20a96efe36592","block_sha256":"92b3f1e62d289dd8c17dd62f2f033ac7976f9b473b197834d0d20a96efe36592","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_c08880a8-df58-4a80-b49f-68504335d2b2"},{"id":"occ_59b6f39752102cdcd2b1f502","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_c296eba9-4167-4bc3-8a2a-acdaf2c9021e","section_id":"sec_39cf1830-0b21-48de-b81d-ece79b7f73f1","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":36,"end":40,"exact":"DRAM","quote":"この階層を理解すると、メモリー関連ニュースの見え方が変わる。HBM不足、DRAM高騰、QLC SSD拡大、HDD需要、CXL、HBF、XL-FLASHは別々の現象ではない。AIが扱うデータ量が、単一のメモリーだけでは処理できない大きさになり、記憶装置の全階層が同時に増強されている","quote_start":0,"quote_end":140,"text_sha256":"47a12598985267190850d7d89cd2514f5247815501975dea8f517f1a74dd14fc","block_sha256":"47a12598985267190850d7d89cd2514f5247815501975dea8f517f1a74dd14fc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_c296eba9-4167-4bc3-8a2a-acdaf2c9021e"},{"id":"occ_d3d7ff8dfa303f73c4455573","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_c83dcc69-4301-4caa-8fd2-9f7e4fb65f7c","section_id":"sec_c28387d1-4fe7-4d54-9fa5-72a0ba849813","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"ただしHBMは、DRAMダイを作るだけでは完成しない。","quote_start":0,"quote_end":27,"text_sha256":"6bb4e2e0f4352a6d9348d937f98d738b8825bd9e66cc8f73929ff09bd407a1b2","block_sha256":"6bb4e2e0f4352a6d9348d937f98d738b8825bd9e66cc8f73929ff09bd407a1b2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_c83dcc69-4301-4caa-8fd2-9f7e4fb65f7c"},{"id":"occ_10154b3295d5133da7d308d7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_c845aed3-6855-4dcc-a969-a027da8464dd","section_id":"sec_4f576d3f-58f3-4b0f-b7f9-1e27c6fa0d5e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"CPUは、制御、スケジューリング、データ準備、OS、ネットワーク、I/O、CPU側DRAMとのやり取りを担う。GPUは、行列演算、推論、学習、巨大な並列処理を担う。両者を近づけることで、CPU側メモリーをGPUから使いやすくし、CPUとGPUの間のデータ移動を短くし、パッケージ全体を対称に","quote_start":0,"quote_end":145,"text_sha256":"dd5a25c9a42c235e98d3712f5380ab9481a2dcf314d8c13f5cf7b50d684e83e7","block_sha256":"dd5a25c9a42c235e98d3712f5380ab9481a2dcf314d8c13f5cf7b50d684e83e7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_c845aed3-6855-4dcc-a969-a027da8464dd"},{"id":"occ_7865edde7ff93cc9fc901382","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_ca96ced5-0393-417a-97f5-8223e4b6211d","section_id":"sec_0cbfdb8e-e3e7-4975-a447-2b77624523a5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1,"end":5,"exact":"DRAM","quote":"「DRAMが足りないならSRAMを増やせばよい」という考えは、半分正しく、半分間違っている。","quote_start":0,"quote_end":46,"text_sha256":"c603925e1fdf0a7346a3f38baf4c3d03bad9e7d561db229ef818d6b50e202155","block_sha256":"c603925e1fdf0a7346a3f38baf4c3d03bad9e7d561db229ef818d6b50e202155","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_ca96ced5-0393-417a-97f5-8223e4b6211d"},{"id":"occ_ad557081b9c371c410af1ec3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_cd07c0f8-42fb-4ba9-ba42-26ed09c01297","section_id":"sec_499c0cc1-9477-486d-9c42-0196273be2a3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"SSD内部のDRAMは、単に書き込みデータを一時保存するだけではない。最も重要なのは、OSが指定した論理アドレスと、NAND上の物理位置を結び付けるFTL変換表や、メタデータを高速に保持することである。","quote_start":0,"quote_end":101,"text_sha256":"3cf95e65c4dbe2a2c5a681d0b063175a25b20c15bc3b864bed6125b2e58fde23","block_sha256":"3cf95e65c4dbe2a2c5a681d0b063175a25b20c15bc3b864bed6125b2e58fde23","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_cd07c0f8-42fb-4ba9-ba42-26ed09c01297"},{"id":"occ_8623a1403fbd38fbd100836f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_d0540b2d-2c31-48af-9a9a-95b2e0701d84","section_id":"sec_0cbfdb8e-e3e7-4975-a447-2b77624523a5","layer":"body","character_id":null,"count":2,"matched_al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HBMに必要な要素 | 役割 |\n| --- | --- |\n| 複数のDRAMダイ | 容量を積み上げる |\n| TSV | ダイ同士を縦に接続する |\n| ロジックベースダイ | 制御と接続を担う |\n| 積層、接合工程 | 高歩留まりで組み立てる |\n| インターポーザー ","quote_start":0,"quote_end":142,"text_sha256":"cc07c6262eee8f656b32303c0579dbbb187e71a9661ca4597c1c83eef433f3ac","block_sha256":"cc07c6262eee8f656b32303c0579dbbb187e71a9661ca4597c1c83eef433f3ac","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_d805aeba-d44a-48fe-b491-3e7ccbdf1cac"},{"id":"occ_2904acc11a39546646561aab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_e240cf27-61df-4a33-bcf2-2caa242cdcd0","section_id":"sec_20b2a51f-02fe-4d09-b45e-a79c80c4309d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"AI半導体のニュースを追い始めると、HBM、DRAM、NAND、SRAM、QLC SSD、CXL、HBF、XL-FLASHといった言葉が一度に出てくる。","quote_start":0,"quote_end":76,"text_sha256":"60b05c2a16cab0ce4aead09757cdec46a034955592fb81eda9b347a5ac9b71f2","block_sha256":"60b05c2a16cab0ce4aead09757cdec46a034955592fb81eda9b347a5ac9b71f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_e240cf27-61df-4a33-bcf2-2caa242cdcd0"},{"id":"occ_97daaa70d065be6feb8dbec4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_e465bd94-2d77-4050-91b5-752a5bbeea75","section_id":"sec_4008401a-ec43-44af-b44c-ecd02b946a7b","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":58,"end":62,"exact":"DDR5","quote":"層 | 需要 |\n| --- | --- |\n| HBM | GPU、AI ASIC |\n| RDIMM / DDR5 | AIサーバー、一般サーバー |\n| LPDDR | 省電力AIサーバー |\n| SRAM | AIチップ内部 |\n| TLC SSD | 高性能KVキャッシュ |\n| QLC SSD | 大容量","quote_start":3,"quote_end":162,"text_sha256":"19914ee49912f56e95bdfcb01c13f3713f4834a8d97278c16b484c94d02c6520","block_sha256":"19914ee49912f56e95bdfcb01c13f3713f4834a8d97278c16b484c94d02c6520","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_e465bd94-2d77-4050-91b5-752a5bbeea75"},{"id":"occ_3434ad1ebb4d887a7d68ee09","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_e8ba733a-bc4a-4998-a06f-4df9f4a4cb85","section_id":"sec_82cc9a58-8a6c-4a2a-b3fc-2f89c642aebe","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"GDDR","quote":"GPUは、大量の演算器を並べ、行列演算やAI学習、推論を高並列に処理する。外部メモリーにはHBMやGDDRが使われ、帯域を重視する。","quote_start":0,"quote_end":66,"text_sha256":"5841cd0de1c81345c4c80fcb68b0f2a59491a5eabcbe8122249d1273c0c5eb0d","block_sha256":"5841cd0de1c81345c4c80fcb68b0f2a59491a5eabcbe8122249d1273c0c5eb0d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_e8ba733a-bc4a-4998-a06f-4df9f4a4cb85"},{"id":"occ_d26791057cc5cdce7bcddc5b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_ec78e7c2-9683-4cdd-a5fc-3417e220a3dd","section_id":"sec_20b2a51f-02fe-4d09-b45e-a79c80c4309d","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"![レジスタ、SRAM、DRAM、HBMの位置関係](media/e1fdc500d675c92a3d4d19b7822b9b09cc81ff8493c4c23ae91070695eb806dd.png)","quote_start":0,"quote_end":102,"text_sha256":"ee34f5f070662390b10f9d49ae3b854ecb02daf38a12a47a7043534d70c33a05","block_sha256":"ee34f5f070662390b10f9d49ae3b854ecb02daf38a12a47a7043534d70c33a05","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_ec78e7c2-9683-4cdd-a5fc-3417e220a3dd"},{"id":"occ_8e8a59108fb7001ae0d8be55","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_f3996b47-6d85-40fc-918d-506c52cbaac9","section_id":"sec_c5eda798-9d77-42f8-aeaf-62c8054dc7b2","layer":"body","character_id":null,"count":4,"matched_aliases":["DDR5","DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DDR5","quote":"その結果、HBMを増やすと、DDR5、サーバー用RDIMM、LPDDR、GDDR、SSD内部用DRAMの供給が相対的に減りやすくなる。","quote_start":0,"quote_end":67,"text_sha256":"00f20c4a705d98bb4b4ab57601e45ae9295b34dd0a33c40ddea0689d4297398c","block_sha256":"00f20c4a705d98bb4b4ab57601e45ae9295b34dd0a33c40ddea0689d4297398c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_f3996b47-6d85-40fc-918d-506c52cbaac9"},{"id":"occ_e40c1b5ef2b8296ad974bf74","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_f70bcfaa-2a8d-48b4-aacc-837531af8031","section_id":"sec_da91ec28-49ef-4541-a7b0-adcc4bcd7950","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"重要なのは、**HBMもDRAMの一種**だということである。","quote_start":0,"quote_end":31,"text_sha256":"da2e12727134e6b9618245655c6edaba26a25ca4ef507ba6f45e11ab67a5bccb","block_sha256":"da2e12727134e6b9618245655c6edaba26a25ca4ef507ba6f45e11ab67a5bccb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_f70bcfaa-2a8d-48b4-aacc-837531af8031"},{"id":"occ_9470d4b956ce08435599dfe0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_f8b24524-bb8a-4489-be87-3e6f0f3f9108","section_id":"sec_0b58c037-c81b-4a1b-b35b-a14aa5bfd960","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"メモリー市場を見る時は、単に「DRAM価格が上がった、下がった」だけでは足りない。","quote_start":0,"quote_end":41,"text_sha256":"69be2b7a57fa6a223fee65e3cc92964a5ef4e254cf897357946c48aee49aba50","block_sha256":"69be2b7a57fa6a223fee65e3cc92964a5ef4e254cf897357946c48aee49aba50","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_f8b24524-bb8a-4489-be87-3e6f0f3f9108"},{"id":"occ_8d1558f07524e6857ce19e62","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96","work_id":"wrk_97fc23be-d3e1-4a2a-986e-b33ae2fd0697","block_id":"blk_fbd49003-0eb2-4d24-adcd-c24c2b391b49","section_id":"sec_f10434b8-c22f-455c-829a-1bde8a31086e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"ただし第3四半期の値上がり予想は、一般DRAMで13から18％、NANDで10から15％へ減速している。","quote_start":0,"quote_end":52,"text_sha256":"05c61cef1f8059a63752d062951edd6e7baea6f3ce0a28a023a2532c0b70fd7c","block_sha256":"05c61cef1f8059a63752d062951edd6e7baea6f3ce0a28a023a2532c0b70fd7c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a30fdebb-6a5f-4491-8480-bc05cbb21f96/#blk_fbd49003-0eb2-4d24-adcd-c24c2b391b49"},{"id":"occ_daf02d52c4409bb7584d50b0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_00059a8b-9332-4981-973d-788e63a9ea16","section_id":"sec_18ce404e-8aea-42f2-ae3c-1c9eef8e707a","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"![Backend DRAMとXBMの変更点 14](media/a1c1607d4019aa1e788b78460486810cbaceec79320299aa7971782faa2fd523.webp)","quote_start":0,"quote_end":103,"text_sha256":"ac69511d89c3dd34da327fe8aff57a972da09f36cabe719a6eff204fa7935d57","block_sha256":"ac69511d89c3dd34da327fe8aff57a972da09f36cabe719a6eff204fa7935d57","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_00059a8b-9332-4981-973d-788e63a9ea16"},{"id":"occ_d70efd91be2048c7f92c2839","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_02981fe2-3086-4767-bf89-0420685f05bd","section_id":"sec_1310ab96-7bf5-4d75-9ab2-08a1e405abb2","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":12,"end":17,"exact":"LPDDR","quote":"パッケージ外\n＝DDR／LPDDR","quote_start":0,"quote_end":17,"text_sha256":"114c1b7379d4ba205daae4fdd64f3566897a11346d563b30577ffa8967054c7b","block_sha256":"114c1b7379d4ba205daae4fdd64f3566897a11346d563b30577ffa8967054c7b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_02981fe2-3086-4767-bf89-0420685f05bd"},{"id":"occ_71c1474851cdbab95ecdbf51","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_04c01a17-8a3e-4f28-a4eb-02c98503aec3","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 08](media/356cdaa59e773c4a03410b3ed9b4de59fba49c5eff63048e06912ec27afe600f.webp)","quote_start":0,"quote_end":102,"text_sha256":"34785a829bcc49f2caef98bca729d91597ca03f6bd35fb804d0fcf4380dd2722","block_sha256":"34785a829bcc49f2caef98bca729d91597ca03f6bd35fb804d0fcf4380dd2722","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_04c01a17-8a3e-4f28-a4eb-02c98503aec3"},{"id":"occ_a73915c341857c1e258eb4f2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_07fa9faa-3182-40c5-9f30-aaa03bb39896","section_id":"sec_421be590-07a5-4050-966b-8f9d8c58a6cf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"### 1．Backend DRAMの量産性","quote_start":0,"quote_end":22,"text_sha256":"68c64950e715f28a26030b6d07f4cd6c591aaa9fa5deb7fa4080472eeabe58d5","block_sha256":"68c64950e715f28a26030b6d07f4cd6c591aaa9fa5deb7fa4080472eeabe58d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_07fa9faa-3182-40c5-9f30-aaa03bb39896"},{"id":"occ_2d044ba040efa005bc480d15","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_084b28c1-de9e-424a-9712-4a6bd89a3c45","section_id":"sec_04e9e996-385a-46e2-a769-0ea2da7da574","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"HBMの次に問題になるのは、DRAMセルではなくパッケージである","quote_start":0,"quote_end":32,"text_sha256":"528f9a419c5ee5ffd84adfe9cd425ed66e143d0305143a32ba40ff9bd2eed76f","block_sha256":"528f9a419c5ee5ffd84adfe9cd425ed66e143d0305143a32ba40ff9bd2eed76f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_084b28c1-de9e-424a-9712-4a6bd89a3c45"},{"id":"occ_9c1705a92b012c610187bc02","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_0cb46fec-1859-4b5e-8800-62d6a70d2256","section_id":"sec_2148ca53-cb86-428c-b972-3769bfab4193","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"XBMは、単に「HBMより速いDRAM」を作ろうとする構想ではない。","quote_start":0,"quote_end":34,"text_sha256":"eba4eee4e66a582d712e4f4d5b8372dc1ad97f6ce945c1e1d4bd6413451edd01","block_sha256":"eba4eee4e66a582d712e4f4d5b8372dc1ad97f6ce945c1e1d4bd6413451edd01","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_0cb46fec-1859-4b5e-8800-62d6a70d2256"},{"id":"occ_f3ab395a174790dc9f8f1a7e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_0e72e80e-040c-4d16-9ff5-eb885a0e5f94","section_id":"sec_18ce404e-8aea-42f2-ae3c-1c9eef8e707a","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"![Backend DRAMとXBMの変更点 13](media/4a1960f5713290138af86da85df1e4fc085423b727ac6a8d116f1b5857301fe4.webp)","quote_start":0,"quote_end":103,"text_sha256":"919b7fef3f36edca2473a3fca8779de76deda3f358e1113e43be5bf79e3a48ff","block_sha256":"919b7fef3f36edca2473a3fca8779de76deda3f358e1113e43be5bf79e3a48ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_0e72e80e-040c-4d16-9ff5-eb885a0e5f94"},{"id":"occ_fac563581113bae4cbd64b73","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_13fcc594-759e-454e-a2d8-9c87dd29d860","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 31](media/34de31bcdcf08b4f8f3ab49472c74a297e2a4cf8e7db715691ff334f2ba5240b.webp)","quote_start":0,"quote_end":102,"text_sha256":"97d8cee31c2af2b7126dfcdfecabae83ec63f8509b3c01d045c21856ed14ee09","block_sha256":"97d8cee31c2af2b7126dfcdfecabae83ec63f8509b3c01d045c21856ed14ee09","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_13fcc594-759e-454e-a2d8-9c87dd29d860"},{"id":"occ_30c237e5a5b2a73423c05a49","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_16722676-9621-4ed7-97a4-f48f76190b09","section_id":"sec_18ce404e-8aea-42f2-ae3c-1c9eef8e707a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"### 図解｜Backend 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|\n| XBM | 高帯域メモリ全体のアーキテクチャ |\n| Backend DRAM | メモリセルの構造 |\n| TSV gutter | 積層内の垂直配線 |\n| HBI | ダイ間の高帯域接続 |\n| Hybrid Bonding | ダイ接合に利用できる技術 |\n| 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| --- |\n| 技術段階 | 量産・広範な採用 | 特許出願段階 |\n| メモリセル | 一般的なDRAMプロセス | 1T1C Backend DRAM |\n| 積層 | 複数のDRAMダイ | 8層以上を想定 |\n| 垂直配線 | TSV | TSV gutter＋HBI |\n| ダイ境界 | マイク","quote_start":32,"quote_end":191,"text_sha256":"02e55638804e48ea4934a3f5bb317edf3939ca2efc6d15ecedefac0c06f9dff3","block_sha256":"02e55638804e48ea4934a3f5bb317edf3939ca2efc6d15ecedefac0c06f9dff3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_5995dc86-64d0-4232-99de-4bbb7145ab9c"},{"id":"occ_07ffdc9ef3c5c5b5e2b5031c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_5ff8fb4d-8a81-4a13-8f13-d81d737bc7c6","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 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18](media/02c451b1f641b0737d68e3a9cc3c66119d8e9260c17d17c43335f137c74c969a.webp)","quote_start":0,"quote_end":102,"text_sha256":"ac9a6deeaab72a8439731b7cf948dc04c907f3abaa9381d45dadcf2b9fa2f582","block_sha256":"ac9a6deeaab72a8439731b7cf948dc04c907f3abaa9381d45dadcf2b9fa2f582","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_6593367c-d8e2-4b38-bc86-a2067a450103"},{"id":"occ_7834da87a8945928d8fb5593","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_662ce02d-91fa-41d8-9f27-1e8715ac8d34","section_id":"sec_18ce404e-8aea-42f2-ae3c-1c9eef8e707a","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"![Backend 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DRAMとXBMの変更点 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DRAMダイ\n        │\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\n     TSV 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DRAMを持つメモリダイを複数積層し、ベースダイを介して演算ダイへ接続するものである。","quote_start":0,"quote_end":66,"text_sha256":"60eeed045baa22d381e5b6cafcc7ce516b1308687ec159a007f53d22e61c5f57","block_sha256":"60eeed045baa22d381e5b6cafcc7ce516b1308687ec159a007f53d22e61c5f57","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_ca97ad5a-42aa-4ab6-9d4f-ddb28ebe916f"},{"id":"occ_63a3dc3fe12e61ad6cc5c815","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_cb877c34-746b-4260-8db4-f5fb727db955","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 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第一の変更――DRAMセルをBEOL側へ作る","quote_start":0,"quote_end":25,"text_sha256":"f68d58289c288faf5235472f4a65db4d634dceaf036768c6f9b57c26040aa939","block_sha256":"f68d58289c288faf5235472f4a65db4d634dceaf036768c6f9b57c26040aa939","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_cbd59d7e-2f03-47e2-a662-925d9d9ab7fe"},{"id":"occ_2f8e669f7d273522e73799f5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_cea5b3d7-32bc-404e-8bf0-c706583b6006","section_id":"sec_5cc78442-e5bc-4ad9-9816-5f5b72792dc6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"最大の課題はBackend DRAMの量産性、UCIe PHYの電力、熱、歩留まり、供給網である。","quote_start":0,"quote_end":49,"text_sha256":"0b7948dfdc8ca80b2190e54a62dbd58c8b89e9a902b126608e966190700d6844","block_sha256":"0b7948dfdc8ca80b2190e54a62dbd58c8b89e9a902b126608e966190700d6844","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_cea5b3d7-32bc-404e-8bf0-c706583b6006"},{"id":"occ_d60b32cd661bda8a159a4db8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_d1644c9c-4de7-4e84-afdb-6e33e0990fca","section_id":"sec_1573bdcf-df7d-4d67-a349-3a616bffc147","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"上層\n＝Backend DRAM","quote_start":0,"quote_end":16,"text_sha256":"c8b065cb210a674f0c6bac7183a9d1cef8c6cdb1fb390d87001ff174e850f961","block_sha256":"c8b065cb210a674f0c6bac7183a9d1cef8c6cdb1fb390d87001ff174e850f961","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_d1644c9c-4de7-4e84-afdb-6e33e0990fca"},{"id":"occ_689ccf36381b0c0014344176","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_d30dd66a-5661-4ee6-a550-7f1a742594c6","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 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   │ TSV\nDRAMダイ\n    │ TSV\nDRAMダイ\n    │\nベースダイ\n    │\nマイクロバンプ\n    │\nシリコンインターポーザー\n    │\nGPU／AIアクセラレー","quote_start":0,"quote_end":104,"text_sha256":"c75f6bd4250d9ccb5d8532cad28bb91b64cf329738f198fd31ad16e6bbf45e9a","block_sha256":"c75f6bd4250d9ccb5d8532cad28bb91b64cf329738f198fd31ad16e6bbf45e9a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_d53073b1-49c6-4034-998e-588b3f5bbf4b"},{"id":"occ_e9a4850c2daffdd9d03f0a2f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_dbbd5281-5eea-430a-a1e9-b61c1e24687f","section_id":"sec_fe1f9c0c-406f-486b-b64e-a367e3e8b1b4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"しかし、AI時代のメモリ競争が、DRAMセルの微細化だけではなく、接合、TSV、PHY、ベースダイ、パッケージ、修復技術を含むシステム競争へ移ったことは明確である。","quote_start":0,"quote_end":82,"text_sha256":"4323e69596276956f4b7b8cf214ca2db444170ac676c1cbbfd3602f49b116efb","block_sha256":"4323e69596276956f4b7b8cf214ca2db444170ac676c1cbbfd3602f49b116efb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_dbbd5281-5eea-430a-a1e9-b61c1e24687f"},{"id":"occ_0bfe65a45d1ea0dd73ae786b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_ddbab7c4-e985-4ba4-be09-ea46ef7b24f0","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 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DRAMとXBMの変更点 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XBMは製品発表ではなく、現時点では特許に示されたアーキテクチャである。\n- Backend DRAM、UCIe、アクティブ・ベースダイ、修復機能を別々に評価する。\n- 最大帯域だけでなく、pJ/bit、熱、接合歩留まり、検査時間を追う。\n- シリコンインターポーザーを必ず全面廃止する構想とは限らない","quote_start":0,"quote_end":153,"text_sha256":"65b26ed963539f7bed288a5ebb03a4185224f82c9f8421c76feb9b0acf7cdb8f","block_sha256":"65b26ed963539f7bed288a5ebb03a4185224f82c9f8421c76feb9b0acf7cdb8f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f3dbe677-b82e-4c3c-8d17-f8e5ec248149"},{"id":"occ_85a2367e36c9392401cea3d0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_f62a78a9-e3eb-48ec-8938-989bce387d63","section_id":"sec_9ba8e9dc-93d6-4fa7-9404-848b970f2381","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"原子、材料、薄膜、素子、セル、アレイ、マクロ、ダイ、チップレットへ進む構造階層を、Backend DRAMを読むための基礎として整理する。","quote_start":0,"quote_end":69,"text_sha256":"06bf455102bed4a8dce28c6fab58645c0b3da9a4c98f3c930eabb34ff9e6d9f8","block_sha256":"06bf455102bed4a8dce28c6fab58645c0b3da9a4c98f3c930eabb34ff9e6d9f8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f62a78a9-e3eb-48ec-8938-989bce387d63"},{"id":"occ_b97356bd41e735974ae54eb7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_f62b7f09-2423-4433-875e-1e9ce31231aa","section_id":"sec_fe1f9c0c-406f-486b-b64e-a367e3e8b1b4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"そしてXBMが示しているのは、その考え方が演算ロジックだけでなく、DRAMそのものへ入り始めたという変化である。","quote_start":0,"quote_end":56,"text_sha256":"defd7a967a5add316378b29a6849e0c43488b155dc0674d1a806aab0e40ca615","block_sha256":"defd7a967a5add316378b29a6849e0c43488b155dc0674d1a806aab0e40ca615","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f62b7f09-2423-4433-875e-1e9ce31231aa"},{"id":"occ_45d63eaa91f4ad64bb9bcfa2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_f9a61de8-9287-40b2-a363-254e1e10d929","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 29](media/8e561157c7befadbc12b294b6fcdb849d40b307e37a01cece88161448ee279dd.webp)","quote_start":0,"quote_end":102,"text_sha256":"3a6b3ee451f73f34838911fdd92686d3868d3c52d0b7c911b6284bcc77561a1c","block_sha256":"3a6b3ee451f73f34838911fdd92686d3868d3c52d0b7c911b6284bcc77561a1c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f9a61de8-9287-40b2-a363-254e1e10d929"},{"id":"occ_2873bd76d737f98eccfa6ca8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_f9b21dcd-1442-43fd-a739-2d4bbfd668fe","section_id":"sec_18ce404e-8aea-42f2-ae3c-1c9eef8e707a","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"![Backend DRAMとXBMの変更点 10](media/ce6aca961d6407fe6a48a2e278bd64a0fff50197e7a57c36e577680e8a4b38c6.webp)","quote_start":0,"quote_end":103,"text_sha256":"9b180c0ea8b33c0dace5bbcfb1cf8128719009453a2c8bb7764c08ac69224cb8","block_sha256":"9b180c0ea8b33c0dace5bbcfb1cf8128719009453a2c8bb7764c08ac69224cb8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_f9b21dcd-1442-43fd-a739-2d4bbfd668fe"},{"id":"occ_aa147e054946f56199dd4098","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_fa966f52-535a-4d51-bbcb-24d2ada45c6c","section_id":"sec_aee62d0e-caf7-409c-8bcc-f7e253e7bf5e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":124,"end":128,"exact":"DRAM","quote":"れば自動的に安くなるわけではない。SerDesの電力、ベースダイの熱、TSVと接合の歩留まり、Backend DRAMの保持特性、テスト時間が同時に成立して初めて、モジュール性が経済性へ変わる。","quote_start":69,"quote_end":166,"text_sha256":"52a94f55d0687e572913c291b26f4e032eecf01c03f07c16fb3e09c097f8eaa9","block_sha256":"52a94f55d0687e572913c291b26f4e032eecf01c03f07c16fb3e09c097f8eaa9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_fa966f52-535a-4d51-bbcb-24d2ada45c6c"},{"id":"occ_d4617a587e875627b9a4b315","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a3938e39-c989-454c-9e91-c75a6d9b8277","work_id":"wrk_d932af79-c726-4edb-b80c-7dd5b33ae877","block_id":"blk_fe36ec19-de7f-4106-a152-078237f50767","section_id":"sec_601e54a8-1f2b-474c-8bd4-d0df6fe9e288","layer":"caption","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"![ロジック・DRAM・NANDの構造進化 21](media/726fdb2750d29cb1f4a77b96354002f946c2cadc31b04b6c88f92635f502e57f.webp)","quote_start":0,"quote_end":102,"text_sha256":"8a92df424bd202a9bb67cd7dc3a9f4ff96ed7199b955a68dba29d8c4057eec95","block_sha256":"8a92df424bd202a9bb67cd7dc3a9f4ff96ed7199b955a68dba29d8c4057eec95","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a3938e39-c989-454c-9e91-c75a6d9b8277/#blk_fe36ec19-de7f-4106-a152-078237f50767"},{"id":"occ_21a3f8f1dd7a34bbe5e9ce83","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4008bc2-ae2c-4bd7-8615-0b3c4e0936ff","work_id":"wrk_9bc2084d-1dcc-40ef-9cc9-a53fe61434c0","block_id":"blk_497b05e4-65c7-4ab0-b860-18355484cea7","section_id":"sec_c120837d-d16a-4da2-867d-8956ae69fb63","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"## \\8. 足りないもの⑥：HBM・DRAM・ストレージ","quote_start":0,"quote_end":29,"text_sha256":"ed8daa8a67efa1afd52c81f9e242e1c19154754660fd927b2030f4e1b04811ea","block_sha256":"ed8daa8a67efa1afd52c81f9e242e1c19154754660fd927b2030f4e1b04811ea","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4008bc2-ae2c-4bd7-8615-0b3c4e0936ff/#blk_497b05e4-65c7-4ab0-b860-18355484cea7"},{"id":"occ_90a795a98f140ad4acea3671","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4008bc2-ae2c-4bd7-8615-0b3c4e0936ff","work_id":"wrk_9bc2084d-1dcc-40ef-9cc9-a53fe61434c0","block_id":"blk_dcc4bd52-7043-460d-a869-c2e6552f7677","section_id":"sec_987d978e-dd62-4b91-a53f-87f4b6189a27","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":460,"end":464,"exact":"DRAM","quote":"                                          |    |\n| HBM/DRAM | Micron、SK hynix、Samsung                                               |    |\n| 液冷・熱管理   | Vertiv、","quote_start":405,"quote_end":564,"text_sha256":"885f2110016b1211f548d18f0ea331588589114d8ed2eb2bb3e772237fed41be","block_sha256":"885f2110016b1211f548d18f0ea331588589114d8ed2eb2bb3e772237fed41be","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4008bc2-ae2c-4bd7-8615-0b3c4e0936ff/#blk_dcc4bd52-7043-460d-a869-c2e6552f7677"},{"id":"occ_9ca120d2795d9a0ca6f48315","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_0c09c804-1a1a-491c-b05b-a95a14dbe026","section_id":"sec_0dbad813-a9a0-434a-ad47-6538b1ed2286","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"SRAMはDRAM容量を同じだけ置き換えるために使うのではない。","quote_start":0,"quote_end":32,"text_sha256":"023cb0efa8403152185e410e8025fa06b07bf5825ef6d519423ac0a7923cdc52","block_sha256":"023cb0efa8403152185e410e8025fa06b07bf5825ef6d519423ac0a7923cdc52","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_0c09c804-1a1a-491c-b05b-a95a14dbe026"},{"id":"occ_8113ea0a30797aa244699fa5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_0e40cff8-2423-45a6-bc16-2e57f390f28d","section_id":"sec_eb8730d4-5638-43b2-953c-2fc634bffdcb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"SRAMは、DRAM・HBM・NANDと同じようにメモリー御三家だけが製造するものではありません。","quote_start":0,"quote_end":49,"text_sha256":"cee9f239cb6b472c855f910199e78de69494dcb0fb918f3a8a870419a7974c3f","block_sha256":"cee9f239cb6b472c855f910199e78de69494dcb0fb918f3a8a870419a7974c3f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_0e40cff8-2423-45a6-bc16-2e57f390f28d"},{"id":"occ_233ab57600806c222ba63025","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_0ef3f0e5-0d4c-45e0-a38a-505842381e53","section_id":"sec_1b1af77b-b4ac-4045-9a15-4c6e4a1d1db3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"> **HBMよりDRAM、さらにNANDの方が安い**","quote_start":0,"quote_end":28,"text_sha256":"6d514297ca40db8ac4e3e484dca3e87f3a5341e6742952e408a19e6d647c9ff6","block_sha256":"6d514297ca40db8ac4e3e484dca3e87f3a5341e6742952e408a19e6d647c9ff6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_0ef3f0e5-0d4c-45e0-a38a-505842381e53"},{"id":"occ_bc430680e7942f5e117128ae","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_1692e996-3604-4e54-a0f1-4773c1cc4526","section_id":"sec_aa4c86da-16e4-4fc1-b2fd-fc3d639967da","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":102,"end":106,"exact":"DRAM","quote":"ッジ処理など、処理内容が決まっているASICでは、再利用するデータをオンチップSRAMへ明示的に置き、HBMやDRAMへのアクセスを減らせます。","quote_start":47,"quote_end":119,"text_sha256":"21ef8521f72e9c3bb1595cc8480c3a92272914e01ab6bfe58a00ecee030817e9","block_sha256":"21ef8521f72e9c3bb1595cc8480c3a92272914e01ab6bfe58a00ecee030817e9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_1692e996-3604-4e54-a0f1-4773c1cc4526"},{"id":"occ_5b7930be94e5b3bb76b5532e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_1bc033de-548c-4621-bf51-335fbeb688c2","section_id":"sec_c51734dd-a052-4910-9d7c-7eeba851456d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM、HBM、NANDは、Samsung Electronics、SK hynix、Micronなどが独立したメモリーダイとして大量生産します。一方、AI ASICで使われるSRAMの大部分は、演算器や制","quote_start":0,"quote_end":104,"text_sha256":"e241cf4b11055088ceae54ec383c3165323be19c1358679b69e817e128940da3","block_sha256":"e241cf4b11055088ceae54ec383c3165323be19c1358679b69e817e128940da3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_1bc033de-548c-4621-bf51-335fbeb688c2"},{"id":"occ_4349f8d0ec1f305761da4df7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_1ecad095-20ad-42db-bde4-538e1d68a949","section_id":"sec_f0ed8239-70bf-496c-bd8b-244ae7f200a3","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5"],"evidence":{"text_basis":"markdown","start":103,"end":109,"exact":"LPDDR5","quote":"いバッチサイズでも高い稼働率を実現すると説明しています。同チップは256MBのオンチップSRAMと128GBのLPDDR5を搭載し、最大72個を1ラックに収容します。([AI Meta](https://ai.meta.com/blog/next-generation-meta-training-inference-ac","quote_start":48,"quote_end":209,"text_sha256":"b822fae025fc173e5ff314a654550ebf35eae578ad4bf52603ae39bdc2e20a6e","block_sha256":"b822fae025fc173e5ff314a654550ebf35eae578ad4bf52603ae39bdc2e20a6e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_1ecad095-20ad-42db-bde4-538e1d68a949"},{"id":"occ_55454d1967adf71ba00e6c36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_1f16ba3f-048d-4250-82e1-df69f2782701","section_id":"sec_729f97a9-d9d9-4179-a4d5-aed64d765e60","layer":"code","character_id":null,"count":3,"matched_aliases":["DDR5","DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":180,"end":184,"exact":"DDR5","quote":"コン・歩留まり価値 |\n| HBM3／HBM3E | 約14～20ドル | 公開BOM推計と価格動向 |\n| DDR5／LPDDR | 約5～11ドル | 大口契約・部品価格の例 |\n| NANDフラッシュ | DRAMより大幅に安い | TLC・QLC、世代、市況で変動 |\n```","quote_start":125,"quote_end":267,"text_sha256":"dcf900d007baa80c94152fba7aa00efb20dd09aa9371bb5b532bb4676080622a","block_sha256":"dcf900d007baa80c94152fba7aa00efb20dd09aa9371bb5b532bb4676080622a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_1f16ba3f-048d-4250-82e1-df69f2782701"},{"id":"occ_a489d01bdf4ea3f09ce4b22a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_23c552e2-79f2-4109-be15-5ff6d0537b97","section_id":"sec_da44235c-f067-4c6c-8d24-43fca37ac329","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":79,"end":83,"exact":"DRAM","quote":"マイクロメートルの高密度SRAMセルと、38.1Mb/mm²のSRAMマクロを公表しています。つまりTSMCはDRAMやNANDを販売しなくても、CPU・GPU・ASIC内部のSRAMについては、世界最大級の製造企業なのです。([TSMC Research](https://research.tsmc.com/pag","quote_start":24,"quote_end":183,"text_sha256":"760fe9efe394527e0727cea7c80246324a40e45b261d6e257ed5d91436e48741","block_sha256":"760fe9efe394527e0727cea7c80246324a40e45b261d6e257ed5d91436e48741","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_23c552e2-79f2-4109-be15-5ff6d0537b97"},{"id":"occ_d7d0cae007a128737fa75f4d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_257431c8-fc3a-47b9-bf60-f5b166a77623","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":20,"end":24,"exact":"DDR5","quote":"SemiAnalysisは、HBMを標準DDR5の3倍以上、LPDDRをHBMの約5分の1のコストと説明している。([SemiAnalysis](https://newsletter.semianalysis.com/p/the-memory-wa","quote_start":0,"quote_end":124,"text_sha256":"af4bed8ce3f6ef6ce37710ad112db3b384b3447c04272e7ce225ec84a7ac8293","block_sha256":"af4bed8ce3f6ef6ce37710ad112db3b384b3447c04272e7ce225ec84a7ac8293","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_257431c8-fc3a-47b9-bf60-f5b166a77623"},{"id":"occ_3f78e5746807495ffadc9215","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_271482f1-d935-4607-8378-e5f806c03de8","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"## HBMは通常DRAMより何倍高いのか","quote_start":0,"quote_end":21,"text_sha256":"d59a880a0c9e9885479189033685f9b0dc283fbf377a795c60e0d88b55cac19a","block_sha256":"d59a880a0c9e9885479189033685f9b0dc283fbf377a795c60e0d88b55cac19a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_271482f1-d935-4607-8378-e5f806c03de8"},{"id":"occ_343d4c5e59af851db0761c05","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_28612600-e678-4abb-a0a7-28ee868a59ea","section_id":"sec_eae176b0-99d4-419e-8e19-e28ff8f8f236","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":72,"end":76,"exact":"DRAM","quote":" ASIC\n├─ SRAM\n└─ HBM\n\nAIサーバー・ラック\n├─ アクセラレーター\n├─ CPU\n├─ DRAM\n└─ SSD・NAND\n```","quote_start":17,"quote_end":92,"text_sha256":"5c48c85cf0b558cc8c3d17380e726141bf4885dd480717dc9c5fa2f9557878f5","block_sha256":"5c48c85cf0b558cc8c3d17380e726141bf4885dd480717dc9c5fa2f9557878f5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_28612600-e678-4abb-a0a7-28ee868a59ea"},{"id":"occ_0b810f069126f97f7b67dd69","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_2adb90a4-a90d-40a0-811b-cade353d3c33","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":33,"end":38,"exact":"LPDDR","quote":"さらにSemiAnalysisの2026年システム原価モデルでは、LPDDRの大口調達価格が約6.77～10.63ドル／GBとされている。([SemiAnalysis](https://newsletter.semianalysis.com/p/vera-rubin-extr","quote_start":0,"quote_end":138,"text_sha256":"975af88a87e97503908de702d04a7c3dc854c9139ee87d61360052d9494f1211","block_sha256":"975af88a87e97503908de702d04a7c3dc854c9139ee87d61360052d9494f1211","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_2adb90a4-a90d-40a0-811b-cade353d3c33"},{"id":"occ_5a43ec36c6c98f41fa5d3483","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_33ee5abf-2a2a-40f1-a47f-7745817bb60b","section_id":"sec_e90ce8ba-9a50-4d91-b1e3-efb6046fbbf4","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":166,"end":170,"exact":"DRAM","quote":"\n       ↓\nSamsung HBM採用率上昇\n       ↓\n先端パッケージ受注\n       ↓\nDRAM・SSDへクロスセル\n       ↓\n次世代ASICも継続受注\n```","quote_start":111,"quote_end":206,"text_sha256":"5e275e8efe5f386341ea469814aed3d9a6924e9e7cfe60defc944a4aa0336dc9","block_sha256":"5e275e8efe5f386341ea469814aed3d9a6924e9e7cfe60defc944a4aa0336dc9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_33ee5abf-2a2a-40f1-a47f-7745817bb60b"},{"id":"occ_1352ef30f9cf8f745e62bd01","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_489d6de9-24ba-4440-a353-734a0aace987","section_id":"sec_1ba07b2f-493e-48ab-a9d2-7fc4fe6e2c40","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":28,"end":33,"exact":"LPDDR","quote":"> **レジスタ ＞ SRAM ＞ HBM ＞ DDR・LPDDR ＞ NAND**","quote_start":0,"quote_end":42,"text_sha256":"746ae2de2bc864b38d3548297e03b1e67a566ce301e18ac1feb860373bdc9518","block_sha256":"746ae2de2bc864b38d3548297e03b1e67a566ce301e18ac1feb860373bdc9518","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_489d6de9-24ba-4440-a353-734a0aace987"},{"id":"occ_a07925dd3306ef5bb0a82249","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_557bebd3-fd1c-4a5c-a557-d4566600bc92","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"ただし2025年後半から2026年にかけては、通常DRAMの供給不足が極端に進んだ。","quote_start":0,"quote_end":42,"text_sha256":"0998d9b66ec8684b68edbc9f4579b10ffea545e6095e5c98ebf4002f099d4c3f","block_sha256":"0998d9b66ec8684b68edbc9f4579b10ffea545e6095e5c98ebf4002f099d4c3f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_557bebd3-fd1c-4a5c-a557-d4566600bc92"},{"id":"occ_ee1a69e095eed0939dccaced","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_5c3c2787-fd9a-424c-9acc-453b7fc7ea73","section_id":"sec_c51734dd-a052-4910-9d7c-7eeba851456d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"AI半導体の供給網を理解するとき、まず整理しておきたいのは、**SRAMとDRAM・HBM・NANDでは製造の位置づけが異なる**という点です。","quote_start":0,"quote_end":72,"text_sha256":"e9f3e2f414b488b718d218eb1b69e38d09364e67f0ee6ade380a0e1ce7969b94","block_sha256":"e9f3e2f414b488b718d218eb1b69e38d09364e67f0ee6ade380a0e1ce7969b94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_5c3c2787-fd9a-424c-9acc-453b7fc7ea73"},{"id":"occ_512c6ce3687e7b30d04af125","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_6129e9b6-263d-4652-a08b-a12a0af7aa7c","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DDR5","quote":"TrendForceはDDR5の価格例として0.65ドル／Gbを示している。1バイトは8bitなので、","quote_start":0,"quote_end":51,"text_sha256":"dd90935a27bef9b0b9ca37005e7633882cc275b0b1186de9b6d9f8359f84913d","block_sha256":"dd90935a27bef9b0b9ca37005e7633882cc275b0b1186de9b6d9f8359f84913d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_6129e9b6-263d-4652-a08b-a12a0af7aa7c"},{"id":"occ_eb6f90380251c94c0ce7f976","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_6e775df5-fea2-43df-b672-c1c8fe339474","section_id":"sec_eb8730d4-5638-43b2-953c-2fc634bffdcb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":58,"end":62,"exact":"DRAM","quote":"*外部AI ASICを十分な歩留まりで量産し、Samsung製HBMとパッケージの採用率を高め、その顧客関係をDRAM・SSDへ広げられるか**","quote_start":3,"quote_end":75,"text_sha256":"907c1a65f917a6ddafced84e0cfe2a8915ee9fb825d39545ddacacbcf8a66c5d","block_sha256":"907c1a65f917a6ddafced84e0cfe2a8915ee9fb825d39545ddacacbcf8a66c5d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_6e775df5-fea2-43df-b672-c1c8fe339474"},{"id":"occ_a7fb507b2a9aa56d2b8c63b7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_744bea9f-9f93-4f64-9429-901059e7f693","section_id":"sec_8cfa90ed-d809-492a-a692-8f46b9fda5e9","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":95,"end":99,"exact":"DRAM","quote":"プSRAM\n├─ 制御回路\n├─ HBMコントローラー\n└─ 高速I/O\n\n外部\n├─ HBM\n├─ CPU側DRAM\n└─ SSD・NAND\n```","quote_start":40,"quote_end":115,"text_sha256":"050d55ec4df0cb0bafbffcf80d898a436727e77487c2c974be3ede5e0388b7fa","block_sha256":"050d55ec4df0cb0bafbffcf80d898a436727e77487c2c974be3ede5e0388b7fa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_744bea9f-9f93-4f64-9429-901059e7f693"},{"id":"occ_9c929a68397dd20de4536b68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_87ca5169-fffe-4dbf-bda9-a7553985ccf6","section_id":"sec_c3d9d676-74ae-4c0b-a790-ea9af1f9cd2e","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":53,"end":58,"exact":"LPDDR","quote":"- **Foundry**：ASIC、演算器、組み込みSRAM\n- **Memory**：HBM、DDR、LPDDR\n- **Flash**：NAND、エンタープライズSSD\n- **Advanced Packaging**：2.5D、3D、チップレット統合\n- **System LSI・設計基盤**：コントローラ","quote_start":0,"quote_end":158,"text_sha256":"e467949e4e34abea9bb30f5f513b48a9223664f3c3b7cd3bffa9b1bb6f495d97","block_sha256":"e467949e4e34abea9bb30f5f513b48a9223664f3c3b7cd3bffa9b1bb6f495d97","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_87ca5169-fffe-4dbf-bda9-a7553985ccf6"},{"id":"occ_94ad4acb5824f57c436d349b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_944e6958-b668-47a7-a2eb-ec39b41ea318","section_id":"sec_ebefbaca-9e0d-4425-91e8-e529d2cf1b68","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"SRAMが高い理由は、HBMが高密度なDRAMセルを専用メモリー工程で作るのに対し、SRAMは先端ロジック工程上で6個前後のトランジスタを1bitごとに使用するためです。","quote_start":0,"quote_end":85,"text_sha256":"b3ae114c30195ee423a91099a280a5ddf46d6ab4dc4060ff20377f8c30bd1cfa","block_sha256":"b3ae114c30195ee423a91099a280a5ddf46d6ab4dc4060ff20377f8c30bd1cfa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_944e6958-b668-47a7-a2eb-ec39b41ea318"},{"id":"occ_ade6a6a3e136c104588d4a62","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_ae84e2af-1efd-4aed-b745-cd897168eaf4","section_id":"sec_b2b328be-0fc5-4b4b-8f1e-2dd3f2760844","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":79,"end":84,"exact":"LPDDR","quote":"も再利用する値　　→ SRAM\nモデル全体・Active KV → HBM\n退避・大容量作業領域　→ DDR・LPDDR\n保存データ　　　　　　→ NAND\n```","quote_start":24,"quote_end":106,"text_sha256":"e28dbc2fda04b1de4882bdc0424d969c22656b9823a019ec4a862abd92704d10","block_sha256":"e28dbc2fda04b1de4882bdc0424d969c22656b9823a019ec4a862abd92704d10","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_ae84e2af-1efd-4aed-b745-cd897168eaf4"},{"id":"occ_7547cecc2236586e442521e2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_b1f74044-54f5-4156-b6bb-cc4024c1d894","section_id":"sec_eb8730d4-5638-43b2-953c-2fc634bffdcb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":83,"end":87,"exact":"DRAM","quote":"msungもSRAMを含むASICを製造する\n- Intelも18AでSRAMを含むASICを製造できる\n- DRAM・HBM・NANDは別の専用メモリー事業で製造する","quote_start":28,"quote_end":112,"text_sha256":"b36f7367d6dd1e11b424b3b5e50709f8ed8038db66cf41d793eb3686fc977085","block_sha256":"b36f7367d6dd1e11b424b3b5e50709f8ed8038db66cf41d793eb3686fc977085","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_b1f74044-54f5-4156-b6bb-cc4024c1d894"},{"id":"occ_4101af5d3e10d1007c280187","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_b48db9c6-f6fc-4234-bace-eb6393da588f","section_id":"sec_0dbad813-a9a0-434a-ad47-6538b1ed2286","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"例えば256MBのSRAMを追加しても、256GBのHBMやDRAMが不要になるわけではない。","quote_start":0,"quote_end":47,"text_sha256":"6b667823a70d937c3906648948389f1b8d299d6a1d5563c90b3d8587b1caf19d","block_sha256":"6b667823a70d937c3906648948389f1b8d299d6a1d5563c90b3d8587b1caf19d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_b48db9c6-f6fc-4234-bace-eb6393da588f"},{"id":"occ_fa5978d52d0259f04eb97983","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_b6b785b5-db0e-4736-b83c-309745c4691d","section_id":"sec_8f313445-f40a-4b64-b1d0-fd75a3c714bd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"## レジスタ・SRAM・HBM・DRAMを、1bit当たりと製品総額の両方から比較する","quote_start":0,"quote_end":44,"text_sha256":"8d54038862f7d8209176d013d9bf8bbe08bc051f40a0a0e88c894b205c5cc936","block_sha256":"8d54038862f7d8209176d013d9bf8bbe08bc051f40a0a0e88c894b205c5cc936","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_b6b785b5-db0e-4736-b83c-309745c4691d"},{"id":"occ_0e564d40446819563a749c23","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_bc3fa051-f218-42d0-a189-01b3be1a0e72","section_id":"sec_4e695214-a7a1-41ea-9511-c9af61fdb310","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5"],"evidence":{"text_basis":"markdown","start":161,"end":167,"exact":"LPDDR5","quote":"を比較するために組み合わせた仮想モデルである。MetaのMTIAは256MBのオンチップメモリーと128GBのLPDDR5を備え、最大72基をラックへ搭載する構成を公開している。Google TPU7xは1チップ当たり192GBのHBMを搭載する。([AI Meta](https://ai.meta.com/blog/n","quote_start":106,"quote_end":267,"text_sha256":"ac8c74eca2f6f5ae8f370661b08aeeb2c3ded9c6eb6abd9c550be12a1a57ed7a","block_sha256":"ac8c74eca2f6f5ae8f370661b08aeeb2c3ded9c6eb6abd9c550be12a1a57ed7a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_bc3fa051-f218-42d0-a189-01b3be1a0e72"},{"id":"occ_ec69d9e66e75e813b63d65d7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_c520360a-ba8b-4838-88bb-0e8678c12c18","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DDR5","quote":"通常時のHBMは、一般的なDDR5より1GB当たり数倍高い。","quote_start":0,"quote_end":30,"text_sha256":"268d8ff0de6720050107e4bcd3d9ef9d377bf1224cd831597da97e05bdd99874","block_sha256":"268d8ff0de6720050107e4bcd3d9ef9d377bf1224cd831597da97e05bdd99874","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_c520360a-ba8b-4838-88bb-0e8678c12c18"},{"id":"occ_54ae22b4d24653e12573c795","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_cd62b9f3-d2f8-4409-b299-0b4098965a43","section_id":"sec_e90ce8ba-9a50-4d91-b1e3-efb6046fbbf4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":88,"end":92,"exact":"DRAM","quote":". HBM\n4. HBMベースダイ\n5. インターポーザー\n6. 先端パッケージ\n7. テスト\n8. サーバーDRAM\n9. eSSD・NAND","quote_start":33,"quote_end":105,"text_sha256":"07d1c69072f374a6bbb6cecd60c86f6e68d0a02e5aef8ea7312d24dc1e080207","block_sha256":"07d1c69072f374a6bbb6cecd60c86f6e68d0a02e5aef8ea7312d24dc1e080207","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_cd62b9f3-d2f8-4409-b299-0b4098965a43"},{"id":"occ_0f3bc4514ccc47c13c7f8d29","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_da1f0454-bbef-43a4-877b-fc27ad12b178","section_id":"sec_eb8730d4-5638-43b2-953c-2fc634bffdcb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"> **ASIC内部のSRAMから、外付けHBM、サーバーDRAM、NAND、SSD、先端パッケージまで一社で持っていること**","quote_start":0,"quote_end":64,"text_sha256":"e43f784d4e02a017f783246189f027ed997d04a2737c1087b501858a32721dd4","block_sha256":"e43f784d4e02a017f783246189f027ed997d04a2737c1087b501858a32721dd4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_da1f0454-bbef-43a4-877b-fc27ad12b178"},{"id":"occ_266ac55db2ffd9fa80ddb67e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_e1ec3b7f-ae90-40b3-a78b-d88e20cee1e1","section_id":"sec_8f313445-f40a-4b64-b1d0-fd75a3c714bd","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":38,"end":42,"exact":"DRAM","quote":"実際、AIアクセラレーターには数十GBから数百GBのHBMが搭載され、複数のDRAMダイ、TSV、ベースダイ、先端パッケージまで必要になる。GPUの部品コストの中でも、HBMは非常に大きな割合を占める。","quote_start":0,"quote_end":101,"text_sha256":"089108544658034e27145facac28f01402664559f12478d644f4b5bd455124c9","block_sha256":"089108544658034e27145facac28f01402664559f12478d644f4b5bd455124c9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_e1ec3b7f-ae90-40b3-a78b-d88e20cee1e1"},{"id":"occ_b2225d2a3a746036ba658ddc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_f95f86b8-dd4d-4430-a136-8f5be43ab026","section_id":"sec_8f313445-f40a-4b64-b1d0-fd75a3c714bd","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":33,"end":38,"exact":"LPDDR","quote":"> **レジスタ ＞ オンチップSRAM ＞ HBM ＞ DDR・LPDDR ＞ NAND**","quote_start":0,"quote_end":47,"text_sha256":"3ed4bf03101c043efc12c7c310362727c66578da607f3e92f38da75f38fc0e83","block_sha256":"3ed4bf03101c043efc12c7c310362727c66578da607f3e92f38da75f38fc0e83","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_f95f86b8-dd4d-4430-a136-8f5be43ab026"},{"id":"occ_aa4e373f1ed23b092e0e7380","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_fa67f190-3d16-4b5f-b30b-41a1fb6ccbba","section_id":"sec_515f64b1-753d-4d6a-b3e3-a001a8644042","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"現在はDRAM価格が急騰したため、特定の契約ではDDR・LPDDRとHBMの価格差がかなり縮小している。これは恒久的な技術コストの逆転というより、供給不足による市況の影響である。","quote_start":0,"quote_end":89,"text_sha256":"d9d771162cc5e778260f50f33bada36542d80f3e580f7a8babe3717fbf862fb7","block_sha256":"d9d771162cc5e778260f50f33bada36542d80f3e580f7a8babe3717fbf862fb7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_fa67f190-3d16-4b5f-b30b-41a1fb6ccbba"},{"id":"occ_e52e0a2965b4cc4d50717c45","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a4cce969-13d1-46b4-be66-954788627617","work_id":"wrk_2beaf3ee-732b-4a38-b298-4a26d607c8fc","block_id":"blk_ff58d1e3-1131-43b6-866a-7809f347ed7a","section_id":"sec_c3d9d676-74ae-4c0b-a790-ea9af1f9cd2e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"しかしTSMCはHBM、DRAM、NANDを自社製品として製造していません。外部のSamsung、SK hynix、Micron、Kioxia、Solidigmなどと組み合わせる必要があります。","quote_start":0,"quote_end":97,"text_sha256":"ff657c9a643a1b47182b74b17e8b03146c537493f4a2ab3259c60e0120b4ee6f","block_sha256":"ff657c9a643a1b47182b74b17e8b03146c537493f4a2ab3259c60e0120b4ee6f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a4cce969-13d1-46b4-be66-954788627617/#blk_ff58d1e3-1131-43b6-866a-7809f347ed7a"},{"id":"occ_143381293a6a2544a3d38639","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_a8af9681-d20e-4553-871e-1d7168015faf","work_id":"wrk_0a52ed54-a7c0-47ca-8fe2-45b791455a54","block_id":"blk_49a51a4b-751d-4142-ab64-2e084a2e77c4","section_id":"sec_252aa491-be39-4740-8822-90bec8e3deef","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":89,"end":93,"exact":"DRAM","quote":"ctive KV / Tensor / Activation\n   │\n   ├─ SOCAMM / CXL DRAM\n   │    Warm KV / Large Context\n   │\n   ├─ HBF\n   │    Weight / MoE Expert\n   │\n   ├─ XL-FLASH / zN","quote_start":34,"quote_end":193,"text_sha256":"9cf88a6807bc920e82fc2715d2199cb372b4807ee7601bc89d048634db8e1933","block_sha256":"9cf88a6807bc920e82fc2715d2199cb372b4807ee7601bc89d048634db8e1933","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_a8af9681-d20e-4553-871e-1d7168015faf/#blk_49a51a4b-751d-4142-ab64-2e084a2e77c4"},{"id":"occ_58bc8a8ca92fb1c2a19af712","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_abe6b561-f51c-4549-a97f-aab2b725492e","work_id":"wrk_f31c79fd-b257-498a-9ee1-d344ac94ffc7","block_id":"blk_1116ecb9-93fe-44fc-90a8-ca80dc98fd44","section_id":"sec_34f23542-6830-45bf-8deb-025bdc67429c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"従来の2.5Dでは、compute dieとHBMをインターポーザ上に横並びで配置する。\nHBM内部のDRAMダイは縦積みだが、GPU/ASIC本体とHBMスタックは基本的に横に並ぶ。","quote_start":0,"quote_end":92,"text_sha256":"1a7de18d85570f0febd424f8b4f1b631705d21c4a51b3fe34f26e483ad3f80d8","block_sha256":"1a7de18d85570f0febd424f8b4f1b631705d21c4a51b3fe34f26e483ad3f80d8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_abe6b561-f51c-4549-a97f-aab2b725492e/#blk_1116ecb9-93fe-44fc-90a8-ca80dc98fd44"},{"id":"occ_f789f19146cefbe980d36b3f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":null,"section_id":null,"layer":"title","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"title","start":0,"end":4,"exact":"DRAM","quote":"DRAM二倍レバRAM、韓国レバ規制、過去のレバETF惨劇、そして四半期末リバランス","quote_start":0,"quote_end":42,"text_sha256":"98c1d563ce1e5a3661c21697a6d85457379c372084c388c88c3d176f1a8cba5c","block_sha256":null,"offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/"},{"id":"occ_32f883b44cc6d6ee96e39e96","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_03093b1f-04a1-4f88-a44a-2b17fa52e769","section_id":"sec_d7a94153-c2ea-4876-ac70-5f51482d0a31","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":100,"end":104,"exact":"DRAM","quote":"スシートと自社株買いで株価を支える。  \nMicronは米国メモリ株として決算とHBM供給で評価される。  \nDRAM/RAMは、それら全体をメモリ相場として束ねる。","quote_start":45,"quote_end":128,"text_sha256":"58b96819cca77f4f7ab818ca80a9b99c5f775be0da420a1b8d882692f2de965a","block_sha256":"58b96819cca77f4f7ab818ca80a9b99c5f775be0da420a1b8d882692f2de965a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_03093b1f-04a1-4f88-a44a-2b17fa52e769"},{"id":"occ_08bfdb86dc8716ff8bb45b0d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_16b353d6-3a71-4b65-ad62-1e067a120df9","section_id":"sec_848129ca-7c23-438f-9e88-1feb9e6d909a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM ETFのAUM。  \nRAMの資金流入。  \n韓国レバETF規制。  \nSK Hynix ADRの発行価格と初値。  \nSamsung自社株買いの正式規模と買付ペース。  \nMicron決算後の市場","quote_start":0,"quote_end":104,"text_sha256":"f84621ff02cc93f597f34558b023125773afc1d014135f579b691a3283554c5a","block_sha256":"f84621ff02cc93f597f34558b023125773afc1d014135f579b691a3283554c5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_16b353d6-3a71-4b65-ad62-1e067a120df9"},{"id":"occ_01e78dfefa348ede27b501c0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_1d0174b3-3207-4e6a-b0b6-474923b3a7bb","section_id":"sec_a0575386-6efb-45e6-bf51-4036614d8665","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM、DRAM、NAND、SSD。これらはこれまで半導体サイクルの中でも景気敏感な部品として扱われてきた。しかし、生成AIとAIデータセンターの急拡大によって、メモリは単なる部品ではなく、AI計算のボトルネックその","quote_start":0,"quote_end":108,"text_sha256":"5ab507bb93c57dbb5a974bd2ed44a814d9c774dcb33fbb495856efc148f6c730","block_sha256":"5ab507bb93c57dbb5a974bd2ed44a814d9c774dcb33fbb495856efc148f6c730","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_1d0174b3-3207-4e6a-b0b6-474923b3a7bb"},{"id":"occ_fed9a9beb7520f49a115b433","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_2aa066fb-9f8d-418b-ad57-3397d700ad9c","section_id":"sec_11a6b9d1-1f0a-4b4a-b8ed-409cdf34d5ca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"RAM自体はローンチ直後のAUMは小さい。しかし、DRAMがすでに巨大化しているため、RAMが数十億ドル規模へ育つと、メモリ相場の米国側にも本格的なレバ逆回転装置が生まれる。","quote_start":0,"quote_end":87,"text_sha256":"487fec767175bfbe75149aebf55399cd043dbb2495ef38fcade1c37596577665","block_sha256":"487fec767175bfbe75149aebf55399cd043dbb2495ef38fcade1c37596577665","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_2aa066fb-9f8d-418b-ad57-3397d700ad9c"},{"id":"occ_7de71ad67c0a0b4ffeda1ef5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_3730787f-e5a8-41cc-aa32-7a4f1baddaed","section_id":"sec_771f77e1-842e-417c-930e-6c9bb0155e13","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM本体は2026年4月2日に取引開始したばかりだが、すでに急速に巨大化している。報道ベースでは、DRAMは上場後に一時190%上昇し、6月23日時点でAUMは約234億ドルに達していた。","quote_start":0,"quote_end":96,"text_sha256":"81ae8a95b3677ecfdc78c64fef84bfb3fcef068ccbc1a6d735a280a130a13091","block_sha256":"81ae8a95b3677ecfdc78c64fef84bfb3fcef068ccbc1a6d735a280a130a13091","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_3730787f-e5a8-41cc-aa32-7a4f1baddaed"},{"id":"occ_53f2752649c71b0e34011de4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_3cd95297-f5e3-46d9-8633-17edb7b5154e","section_id":"sec_848129ca-7c23-438f-9e88-1feb9e6d909a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"これから見るべきなのは、HBM価格やDRAM需給だけではない。","quote_start":0,"quote_end":31,"text_sha256":"4baf4a08ff7f9a7cf7c7a639512408ada16a8c1601318ec78624bce2c89e94a7","block_sha256":"4baf4a08ff7f9a7cf7c7a639512408ada16a8c1601318ec78624bce2c89e94a7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_3cd95297-f5e3-46d9-8633-17edb7b5154e"},{"id":"occ_3f76d2ea387dbe10725f73ab","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_3e2f5617-1dd6-4f85-9d87-eb3ff2709d18","section_id":"sec_60f9a35c-92ae-47cf-a496-6bfd33294d0b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"むしろ、株価がAIメモリ企業として高く評価されているタイミングで、その評価を現金化し、将来のHBM/DRAM投資に回す攻めの増資である。","quote_start":0,"quote_end":68,"text_sha256":"f74bcc58f68d5152aacdd52e86b455459c7a81512ae40fee9bb819af70ba7d1d","block_sha256":"f74bcc58f68d5152aacdd52e86b455459c7a81512ae40fee9bb819af70ba7d1d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_3e2f5617-1dd6-4f85-9d87-eb3ff2709d18"},{"id":"occ_2fd775d5d147fe0a7ce75a4e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_3ea81312-d8d3-47a4-81e3-75b1048bfc3d","section_id":"sec_d7a94153-c2ea-4876-ac70-5f51482d0a31","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":71,"end":75,"exact":"DRAM","quote":"ADRで米国AI株市場へ直接接続される。  \nSamsungは巨大自社株買いで株価と人材を守ろうとする。  \nDRAM ETFとRAMは米国投資家にメモリ相場をパッケージ化する。  \n韓国の単一銘柄レバETFはSamsungとSK Hynixの値動きを増幅する。  \n韓国当局はその過熱を規制しようとしている。  \n四","quote_start":16,"quote_end":175,"text_sha256":"38d890115f12144a94dcaa662b679afcd7498e904d0172c03d613eb92e3f4a53","block_sha256":"38d890115f12144a94dcaa662b679afcd7498e904d0172c03d613eb92e3f4a53","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_3ea81312-d8d3-47a4-81e3-75b1048bfc3d"},{"id":"occ_c18ce4ea700feb6772fa40b2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_46195937-bb56-45e8-830c-7f7790cca31a","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":37,"end":41,"exact":"DRAM","quote":"韓国市場でSK HynixやSamsungが動く。  \n米国時間でADRやDRAM ETFが動く。  \nRAMが二倍で反応する。  \n半導体レバETFやAI関連ETFにも資金が流れる。  \n韓国の単一銘柄レバETFが引け前にリバランスする。  \n四半期末には年金やバランスファンドの","quote_start":0,"quote_end":141,"text_sha256":"43720a13fc3862538300c375c56a1bbeec008489e56420dc269189d8ae34a922","block_sha256":"43720a13fc3862538300c375c56a1bbeec008489e56420dc269189d8ae34a922","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_46195937-bb56-45e8-830c-7f7790cca31a"},{"id":"occ_d8b9cc9cff99e9b3d2c3c9cb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_4949f593-bc28-4b7b-ad3a-35ec19b7d3ce","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":50,"end":54,"exact":"DRAM","quote":"Samsungの自社株買いが下支えする。  \nSK HynixのADRが米国投資家を呼び込む。  \nDRAM ETFに資金が入る。  \nRAMが二倍で上昇を増幅する。  \n韓国個人が単一銘柄レバETFを買う。  \n翌日の韓国市場に買いが戻る。","quote_start":0,"quote_end":121,"text_sha256":"14b69eaec4be3e7bdfe199b7cdc563cba731337a12197890a2526336bb279c32","block_sha256":"14b69eaec4be3e7bdfe199b7cdc563cba731337a12197890a2526336bb279c32","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_4949f593-bc28-4b7b-ad3a-35ec19b7d3ce"},{"id":"occ_377c21c8f4e4acc3daeace2f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_4a49fbb3-71b3-43e1-9d48-2d3860957e34","section_id":"sec_771f77e1-842e-417c-930e-6c9bb0155e13","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAMからRAMへ──メモリ株の2倍レバ化","quote_start":0,"quote_end":25,"text_sha256":"001bfa40f6426409d7f6483337b5280968b0627de1f247181e7358d9932c306b","block_sha256":"001bfa40f6426409d7f6483337b5280968b0627de1f247181e7358d9932c306b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_4a49fbb3-71b3-43e1-9d48-2d3860957e34"},{"id":"occ_08564ec563182ffc7d97e821","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_5b9ce416-f1e2-4b2e-a75b-5857f173183d","section_id":"sec_0a96a7d9-7297-405e-9540-0b8ae68d950d","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"主な根拠として、RAMはDRAMの日次200%を目指すETFとしてT-REX/Roundhillが2026年6月24日に発表し、DRAM本体は2026年4月2日に上場したメモリ特化ETFです。([REX Shares](https:","quote_start":0,"quote_end":116,"text_sha256":"4e009885f132ff0627a269665ded3302a2d2f18524a666b43dec1769806c710a","block_sha256":"4e009885f132ff0627a269665ded3302a2d2f18524a666b43dec1769806c710a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_5b9ce416-f1e2-4b2e-a75b-5857f173183d"},{"id":"occ_6a5d16ad5d819bbbe578d865","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_5be9a6fa-60ed-43e4-ae13-285b6574ae9a","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"ここで、前に見たDRAM/RAM相場の話に戻る。","quote_start":0,"quote_end":24,"text_sha256":"56120c0aa554740c5bd45d1616d8e02f54d76142bb677703799f55c4d9dc6975","block_sha256":"56120c0aa554740c5bd45d1616d8e02f54d76142bb677703799f55c4d9dc6975","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_5be9a6fa-60ed-43e4-ae13-285b6574ae9a"},{"id":"occ_89cc54230b321b3cdad3fa00","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_5fa3ccb5-b222-41fc-812b-8232c6ee4315","section_id":"sec_60f9a35c-92ae-47cf-a496-6bfd33294d0b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBMは単にDRAMチップを作ればよいわけではない。先端パッケージング、TSV、歩留まり、EUV、電力、工場建設、顧客認証がすべて絡む。AIデータセンター需要が続くなら、ここで資金を集めて供給能力を前倒しすることは合理的","quote_start":0,"quote_end":110,"text_sha256":"811d10548ddfb049bf6810a39cf34ad8cbd48971a6976b395cee610a9753bb46","block_sha256":"811d10548ddfb049bf6810a39cf34ad8cbd48971a6976b395cee610a9753bb46","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_5fa3ccb5-b222-41fc-812b-8232c6ee4315"},{"id":"occ_bdaad4e76a8f906201a938bc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_6f4e0bfa-19ba-4f93-90b3-6e712c5f7508","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"ADRが売られる。  \nDRAMが下がる。  \nRAMが二倍で崩れる。  \n韓国市場のSK HynixやSamsungに裁定売りが入る。  \n単一銘柄レバETFのリバランス売りが発生する。  \n個人の信用買いが損切りされる。  \n四","quote_start":0,"quote_end":116,"text_sha256":"028ce74d914db6310391f9608a29f7c6b18269fe7c85759b862be4abe3b30b9c","block_sha256":"028ce74d914db6310391f9608a29f7c6b18269fe7c85759b862be4abe3b30b9c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_6f4e0bfa-19ba-4f93-90b3-6e712c5f7508"},{"id":"occ_af9b285441cc8b6927bf6183","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_71aa2a43-8a96-4d8d-8d99-580aa96ec064","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM/RAM、韓国レバETF、ADR、自社株買いが重なる","quote_start":0,"quote_end":33,"text_sha256":"95bac72c97757e9ba92d905fbe7ea677ac04e5d6a360c03fc2d7a9422135a87b","block_sha256":"95bac72c97757e9ba92d905fbe7ea677ac04e5d6a360c03fc2d7a9422135a87b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_71aa2a43-8a96-4d8d-8d99-580aa96ec064"},{"id":"occ_2beea24b8ac39ce6e7fea0ad","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_79f7c43f-a279-425a-899a-ace2d8f4e34e","section_id":"sec_8f49a0fa-d9f5-4396-bd7e-4f31bf0b5aa4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"AIデータセンター、HBM、DRAM価格、NAND回復、ストレージ需要、SamsungとSK hynixのHBM供給、Micron決算。これらのストーリーは本物である。","quote_start":0,"quote_end":84,"text_sha256":"9302966b1d334d4f46131856d6a2f9a2bdc76787af0da56a8b8fd1e998dc4d11","block_sha256":"9302966b1d334d4f46131856d6a2f9a2bdc76787af0da56a8b8fd1e998dc4d11","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_79f7c43f-a279-425a-899a-ace2d8f4e34e"},{"id":"occ_2a709c7379a3ff6e440e2e7f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_7bc5ffa0-2179-4e82-a6d6-dcb6bbce0ce9","section_id":"sec_7a84b53b-f7fb-4a72-91e2-aca2f32643f6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"米国では、Roundhill Memory ETFのDRAMが急速に巨大化し、その二倍レバ商品であるRAMが登場した。韓国ではSamsungとSK Hynixの単一銘柄二倍レバETF/ETNが短期間で膨らみ、時価総額約9.6兆ウォン、二倍名目エクスポージャーで","quote_start":0,"quote_end":130,"text_sha256":"2057e9ec97f4da5a649f5c5d62d186cbdbdb572a90a68057766b2b2b37334f23","block_sha256":"2057e9ec97f4da5a649f5c5d62d186cbdbdb572a90a68057766b2b2b37334f23","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_7bc5ffa0-2179-4e82-a6d6-dcb6bbce0ce9"},{"id":"occ_51ad15610bb1dcdebea533cb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_7c74f662-ee91-49ad-b1fc-2c09db1fc713","section_id":"sec_771f77e1-842e-417c-930e-6c9bb0155e13","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"RAMはDRAMの1日の値動きに対して、約200%の投資成果を目指す。DRAMが1日で5%上がればRAMはおおむね10%上昇を狙い、DRAMが5%下がればRAMはおおむね10%下落する。","quote_start":0,"quote_end":93,"text_sha256":"809b268b09cf4764bbe0b406e021506014d974cc713627e6c5ddad57ef45a1aa","block_sha256":"809b268b09cf4764bbe0b406e021506014d974cc713627e6c5ddad57ef45a1aa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_7c74f662-ee91-49ad-b1fc-2c09db1fc713"},{"id":"occ_d84065c4f9aaab00bbcb9ed3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_80b065aa-ad05-4123-a57d-744617d8e908","section_id":"sec_7d3157c8-244d-4b01-9ff9-758b838e1414","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"米国のDRAM ETF本体は約234億ドル、約3.78兆円。","quote_start":0,"quote_end":30,"text_sha256":"8c1081aeab29ed096c0630f66455feca65d4e3897366c30731e4168f2f6ac8a7","block_sha256":"8c1081aeab29ed096c0630f66455feca65d4e3897366c30731e4168f2f6ac8a7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_80b065aa-ad05-4123-a57d-744617d8e908"},{"id":"occ_2bfd6eceb4960b488142fc3a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_88f52a51-1d58-43a3-a786-5dd513cfa3e3","section_id":"sec_848129ca-7c23-438f-9e88-1feb9e6d909a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM ETF、RAM、韓国単一銘柄レバETF、SK Hynix ADR、Samsung自社株買い。","quote_start":0,"quote_end":51,"text_sha256":"c045941078c0450a780e90ec21daf08cc171bac60457673bcf746eeacee4d611","block_sha256":"c045941078c0450a780e90ec21daf08cc171bac60457673bcf746eeacee4d611","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_88f52a51-1d58-43a3-a786-5dd513cfa3e3"},{"id":"occ_1e46257caf8e7168c0e8840d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_8b2cf67f-0c3b-42e8-b68a-0e3e6dc7bb0e","section_id":"sec_11a6b9d1-1f0a-4b4a-b8ed-409cdf34d5ca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"さらに、米国側でDRAMが約234億ドル、約3.78兆円規模まで膨らみ、そこにRAMが2倍商品として乗ってくると、米国市場からもメモリ株へのレバレッジ性の資金が増える。","quote_start":0,"quote_end":84,"text_sha256":"67265d3a4ac8cc0294d03f24d966f03c9024d7e952683c89d164b1173145cc4f","block_sha256":"67265d3a4ac8cc0294d03f24d966f03c9024d7e952683c89d164b1173145cc4f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_8b2cf67f-0c3b-42e8-b68a-0e3e6dc7bb0e"},{"id":"occ_c5c01a7e03019faae366fdb0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_9883bccf-ccec-4bc2-bfa2-f582ccfa99c3","section_id":"sec_a0575386-6efb-45e6-bf51-4036614d8665","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"その変化を最も象徴しているのが、Roundhill Memory ETF、ティッカーDRAMの急拡大である。そして今回、そのDRAMに対して日次2倍の値動きを狙うETF、Roundhill T-REX 2X Long DRAM Daily Target ETF、ティッカーRAMが登場した。","quote_start":0,"quote_end":145,"text_sha256":"c8677ffc4063dcd9553eaf30fcff03ea927a606dd2819ba5519fbbe8ad736a49","block_sha256":"c8677ffc4063dcd9553eaf30fcff03ea927a606dd2819ba5519fbbe8ad736a49","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_9883bccf-ccec-4bc2-bfa2-f582ccfa99c3"},{"id":"occ_2eca59a512d87f271dd35849","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_9d607a6f-68f0-4b90-99e9-44f18ce61379","section_id":"sec_8f49a0fa-d9f5-4396-bd7e-4f31bf0b5aa4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"第一に、実需。  \nHBM、DRAM、NAND、AIサーバー需要。","quote_start":0,"quote_end":33,"text_sha256":"b47e5d7d1e3131a6ab50aae641b319594952e9fa0583ccd177ed511ca43b2a40","block_sha256":"b47e5d7d1e3131a6ab50aae641b319594952e9fa0583ccd177ed511ca43b2a40","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_9d607a6f-68f0-4b90-99e9-44f18ce61379"},{"id":"occ_30e6967124fc140127118b48","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_a75d3094-ff5b-438d-a120-07a40961d6e8","section_id":"sec_d690d66f-c2e0-4e8a-98f7-6082834d8f36","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"米国でDRAMとRAMが話題になる一方、韓国ではSamsungとSK hynixを対象にした単一銘柄2倍ETFがすでに巨大化している。","quote_start":0,"quote_end":67,"text_sha256":"0ca54242171fc4a11c1780258f5c839333538ac35dabf2a4b0c0a22effd9d327","block_sha256":"0ca54242171fc4a11c1780258f5c839333538ac35dabf2a4b0c0a22effd9d327","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_a75d3094-ff5b-438d-a120-07a40961d6e8"},{"id":"occ_7ff39bd55b54ebb6fe549480","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_bf3d9edb-5b31-4ee8-9061-401aede0bc76","section_id":"sec_0a96a7d9-7297-405e-9540-0b8ae68d950d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"今のDRAM/RAM相場は、その境界線上にある。","quote_start":0,"quote_end":24,"text_sha256":"ca2135a6114310f9d53514c8ebf581147f96edd60a8d6a7964fdf690ff039033","block_sha256":"ca2135a6114310f9d53514c8ebf581147f96edd60a8d6a7964fdf690ff039033","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_bf3d9edb-5b31-4ee8-9061-401aede0bc76"},{"id":"occ_5fdefaf8329cffe2f7d19757","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_ca426e61-982c-4c48-b7e1-39345b358803","section_id":"sec_00e93d67-252a-4612-aa9e-ca635186f3d2","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"これまで米国投資家がSK Hynixを買うには、韓国株を直接買うか、DRAM ETFのようなメモリETFを経由する必要があった。DRAM ETFが急速に巨大化した理由の一つも、米国投資家がSamsungやSK Hynixへ簡単にアクセスする導線を求めていたからである。","quote_start":0,"quote_end":134,"text_sha256":"c5fa0e1746e8446378b63213515e791aedae18879668c1ae48334189f850913b","block_sha256":"c5fa0e1746e8446378b63213515e791aedae18879668c1ae48334189f850913b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_ca426e61-982c-4c48-b7e1-39345b358803"},{"id":"occ_848ea6df3c0cd2c64c1e4830","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_cbc6a891-1125-4847-bfda-cb565c4f0ec0","section_id":"sec_8f49a0fa-d9f5-4396-bd7e-4f31bf0b5aa4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"第三に、ETF資金。  \nDRAM、RAM、SOXL、半導体ETF、AI関連ETF。","quote_start":0,"quote_end":42,"text_sha256":"c70377378deaf5ec51207dc55cd4609e9a7e1c6aa2d969ef6e5101a14d850c4a","block_sha256":"c70377378deaf5ec51207dc55cd4609e9a7e1c6aa2d969ef6e5101a14d850c4a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ae55c104-d140-4064-adf1-726fae29a7f3/#blk_cbc6a891-1125-4847-bfda-cb565c4f0ec0"},{"id":"occ_890357d575c183ebe968746b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ae55c104-d140-4064-adf1-726fae29a7f3","work_id":"wrk_a1470532-dd67-430b-91ce-2205bc4c54e0","block_id":"blk_d56ffbc4-0a1b-461a-8542-b6e32830e61a","section_id":"sec_a0575386-6efb-45e6-bf51-4036614d8665","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## 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fabをさらに複数建設する必要があります。","quote_start":0,"quote_end":40,"text_sha256":"4800eb5260e868fa4bae995f8dd0472afa0d99f24984f81ea6632b3b20de0959","block_sha256":"4800eb5260e868fa4bae995f8dd0472afa0d99f24984f81ea6632b3b20de0959","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_cecaf497-39b6-42f8-845e-88ff63ffeaff"},{"id":"occ_f911ba505b28940958030d22","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_de493d36-e298-4b2a-8b5f-a366e13b1362","section_id":"sec_21a7aedc-6cab-409b-906c-bbb1b24b681e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"21．むしろServer DRAMが大きく増える","quote_start":0,"quote_end":24,"text_sha256":"b2bbf2e7ca32de1a58878ab0299c3144838377d049c802e3a4182e4a395e5693","block_sha256":"b2bbf2e7ca32de1a58878ab0299c3144838377d049c802e3a4182e4a395e5693","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_de493d36-e298-4b2a-8b5f-a366e13b1362"},{"id":"occ_13c7e41e059ff85220ab1582","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_ec7caac9-f050-473d-9461-e59f63058d5f","section_id":"sec_885a2ecb-9193-47b7-89b5-ba08ddd10093","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"NANDはlayer増加によってbit/waferをDRAMより増やしやすいため、通常QLC/TLCは比較的供給対応しやすい。","quote_start":0,"quote_end":63,"text_sha256":"1bd5f821017279706583d76b72265219fd5faf2726975e6d0e5ba2259c6484b2","block_sha256":"1bd5f821017279706583d76b72265219fd5faf2726975e6d0e5ba2259c6484b2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_ec7caac9-f050-473d-9461-e59f63058d5f"},{"id":"occ_9172505cdd7a3d99e41e9b2c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_ed61a4d4-4fd5-4789-b317-a7ebc6e4b7c6","section_id":"sec_77517ee6-4edd-4ad8-8c01-277a1c323b58","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":53,"end":57,"exact":"DRAM","quote":"exactでhot → SRAM/KVsemanticでhot → Fast Weightswarm → DRAM/HBFcold → NAND必要になったら再計算","quote_start":0,"quote_end":82,"text_sha256":"0662bbba91828e911ba9f3e37d014c0cf62876570e73743eda49e9f6a273cf15","block_sha256":"0662bbba91828e911ba9f3e37d014c0cf62876570e73743eda49e9f6a273cf15","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_ed61a4d4-4fd5-4789-b317-a7ebc6e4b7c6"},{"id":"occ_7d72bc2e99faab0d59ad863e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_f2c58b46-4531-45ec-b7a9-c75cd334118e","section_id":"sec_a97d8d8b-c60b-429d-9078-8b404cadb117","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DRAM","quote":"2035中心ケースではAutomotive＋Physical AI＋MECだけで約24EBのDRAM需要を置いています。","quote_start":0,"quote_end":60,"text_sha256":"fbffbca5b4e266b6f5afd7ac0933b12485ffc66396aa2b9f65244586114298bd","block_sha256":"fbffbca5b4e266b6f5afd7ac0933b12485ffc66396aa2b9f65244586114298bd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_f2c58b46-4531-45ec-b7a9-c75cd334118e"},{"id":"occ_bfab1cd60bc62cebd6c40385","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_fa3dcd25-915a-4e7c-9fdd-e18fe27c2a7e","section_id":"sec_5badda06-2fe6-444e-9e2b-f9f354b40cb6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM dieは減るLogic Base Dieは増える","quote_start":0,"quote_end":29,"text_sha256":"46723450eac78b2886b48d16b73145f2d4c24a9dc4bf61f0d9ba6d96667cabcd","block_sha256":"46723450eac78b2886b48d16b73145f2d4c24a9dc4bf61f0d9ba6d96667cabcd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_fa3dcd25-915a-4e7c-9fdd-e18fe27c2a7e"},{"id":"occ_45764c3e777a13a8f5fbbcbc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2","work_id":"wrk_72fede57-1e40-4a22-81c2-67b2328ba457","block_id":"blk_fa68da59-d788-492c-95d2-97775dc724a2","section_id":"sec_10f9a8b1-b6e9-4213-abab-95b24cc75ae8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"本稿では2030のDRAM fab能力を約3.65M 300mm wafers/month、2035を5.5M WPMの中心ケースと置きます。","quote_start":0,"quote_end":71,"text_sha256":"236fdeaa41d8b39e7a2ad95339208cab3356b12a80b23bee47e230e086289007","block_sha256":"236fdeaa41d8b39e7a2ad95339208cab3356b12a80b23bee47e230e086289007","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_bf97dda8-b55b-4e4d-b1cf-b775474af9b2/#blk_fa68da59-d788-492c-95d2-97775dc724a2"},{"id":"occ_0704b37668b9d1c22f2d6aa5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c0f60d6c-f786-4c21-bf93-b517ab98e464","work_id":"wrk_6f052560-2a04-4f53-b80d-4f1c5a329637","block_id":"blk_16e94b2c-4f17-4ebc-bd8c-efb213f9eabd","section_id":"sec_7f8842ef-0c1d-4e2e-bedb-5c2a574193fa","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":78,"end":82,"exact":"DRAM","quote":"pmentは、半導体チップに電気信号を入力し、返ってくる信号を測る装置である。CPU、GPU、AI ASIC、DRAM、NAND、RFチップ、アナログICなど、ほぼすべての半導体は何らかのATEを通る。","quote_start":23,"quote_end":124,"text_sha256":"3c4ef1efc1f89c571b1b01f4b77d49cccb13a81220babca77335fcfe0fd49dbe","block_sha256":"3c4ef1efc1f89c571b1b01f4b77d49cccb13a81220babca77335fcfe0fd49dbe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c0f60d6c-f786-4c21-bf93-b517ab98e464/#blk_16e94b2c-4f17-4ebc-bd8c-efb213f9eabd"},{"id":"occ_f068e0dad6203ce9a05cddf9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c0f60d6c-f786-4c21-bf93-b517ab98e464","work_id":"wrk_6f052560-2a04-4f53-b80d-4f1c5a329637","block_id":"blk_c3af849e-d99f-49e9-a19b-d200c16cdd68","section_id":"sec_7368c624-13b3-4447-9911-4f93e708b8b3","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":94,"end":101,"exact":"3D DRAM","quote":"積む前、貼る前、封止する前に不良を見つける価値が上がる。HBM4、HBM4E、ハイブリッドボンディング、将来の3D DRAM/ロジック積層が進むほど、3D計測と先端パッケージ検査は伸びやすい。","quote_start":39,"quote_end":135,"text_sha256":"d7f3624c8f26728f4e68526d2aaddfc073ba99c87d7c2402359ed3add6d6c751","block_sha256":"d7f3624c8f26728f4e68526d2aaddfc073ba99c87d7c2402359ed3add6d6c751","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c0f60d6c-f786-4c21-bf93-b517ab98e464/#blk_c3af849e-d99f-49e9-a19b-d200c16cdd68"},{"id":"occ_37a7357c8cfab885c94e7b33","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c3791796-7fb7-4aa8-a70b-bf30979f4726","work_id":"wrk_d8ac95cd-fc69-48bd-b1c9-0f1180c20086","block_id":"blk_2f4d30f8-f101-464b-a9f3-ffa607f877a8","section_id":"sec_06569699-1b4d-4e94-91d7-91448a12c0ca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1,"end":5,"exact":"DRAM","quote":"各DRAMダイの内部をTSVが貫通し、ダイの境界面ではマイクロバンプが接続を担う構造が広く使われてきた。","quote_start":0,"quote_end":52,"text_sha256":"eb0a363f22692887046b609048d88e0a8a6d4609f133b737a61f7c6b486403b1","block_sha256":"eb0a363f22692887046b609048d88e0a8a6d4609f133b737a61f7c6b486403b1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c3791796-7fb7-4aa8-a70b-bf30979f4726/#blk_2f4d30f8-f101-464b-a9f3-ffa607f877a8"},{"id":"occ_ec6767bd4c38b11545050f9f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c3791796-7fb7-4aa8-a70b-bf30979f4726","work_id":"wrk_d8ac95cd-fc69-48bd-b1c9-0f1180c20086","block_id":"blk_4c4f6718-aaf6-4d2f-9ad0-a6c1d4162049","section_id":"sec_06569699-1b4d-4e94-91d7-91448a12c0ca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBMは、複数のDRAMダイを上下に積み重ねたメモリーである。","quote_start":0,"quote_end":31,"text_sha256":"e02b90abf21a12beaddc92c4fcce47677185a0821baf3ca36c3983ab7fc1b4eb","block_sha256":"e02b90abf21a12beaddc92c4fcce47677185a0821baf3ca36c3983ab7fc1b4eb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c3791796-7fb7-4aa8-a70b-bf30979f4726/#blk_4c4f6718-aaf6-4d2f-9ad0-a6c1d4162049"},{"id":"occ_fc99a2d4fea5118ec78ba646","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c3791796-7fb7-4aa8-a70b-bf30979f4726","work_id":"wrk_d8ac95cd-fc69-48bd-b1c9-0f1180c20086","block_id":"blk_828bacdc-4483-4de3-bc3f-904781192bd5","section_id":"sec_06569699-1b4d-4e94-91d7-91448a12c0ca","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAMダイ\n   │ TSV\n   │\n● ● ● ●  マイクロバンプ\n────────\nDRAMダイ\n   │ TSV\n   │\n● ● ● ●\n────────\nベースダイ\n```","quote_start":0,"quote_end":98,"text_sha256":"93ebdd4fbba59ebd753409e68ae649d87b1300bd2858b14493bd4baf10038d5a","block_sha256":"93ebdd4fbba59ebd753409e68ae649d87b1300bd2858b14493bd4baf10038d5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c3791796-7fb7-4aa8-a70b-bf30979f4726/#blk_828bacdc-4483-4de3-bc3f-904781192bd5"},{"id":"occ_06d78a3164eabc2069420f87","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_0021bfbd-e9e3-4b67-a237-7ae3612b2e3b","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"IntelのXBM特許で示されたBackend DRAMでは、このアクセス・トランジスタの形成場所と製造方法が変わる。","quote_start":0,"quote_end":59,"text_sha256":"d30289da15a1d87aab28518210df7940ea0205f8ea6de83c4ea838192a3f0c3a","block_sha256":"d30289da15a1d87aab28518210df7940ea0205f8ea6de83c4ea838192a3f0c3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_0021bfbd-e9e3-4b67-a237-7ae3612b2e3b"},{"id":"occ_a29571c1704422e5480866e8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_06158993-1585-41e8-ba0b-654f0a1ddd03","section_id":"sec_904f0f83-7263-4595-8ad6-b7497fc688fb","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMダイ\n\nBEOL：配線＋DRAMセル\n────────────\n下層回路／シリコン\n```","quote_start":0,"quote_end":61,"text_sha256":"9d9a24be68468e6b343a30a2da5f2aa0b57b6deca543fcbe19485ffc61710469","block_sha256":"9d9a24be68468e6b343a30a2da5f2aa0b57b6deca543fcbe19485ffc61710469","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_06158993-1585-41e8-ba0b-654f0a1ddd03"},{"id":"occ_da4025b0dd3fd11dfd0a5887","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_067ccdeb-8b88-43b4-ab14-3e124ecd458c","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMを持つメモリダイ\n          ＋\nアクティブ・ベースダイ\n          ＋\n別のコンピュートダイ\n```","quote_start":0,"quote_end":75,"text_sha256":"cbd1d09183eea5a7ef51442a581ebfde886088e1f388ad4d9d0e1d65d95ddce5","block_sha256":"cbd1d09183eea5a7ef51442a581ebfde886088e1f388ad4d9d0e1d65d95ddce5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_067ccdeb-8b88-43b4-ab14-3e124ecd458c"},{"id":"occ_ee83f505afd4cc600b0d0741","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_0717689e-5e16-4030-8015-088d5ab356ae","section_id":"sec_7624d9c2-34b7-48ba-b7d0-ac4f1582051f","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1,"end":5,"exact":"DRAM","quote":"各DRAMダイの内部は、基本的には従来型DRAMの延長にある。","quote_start":0,"quote_end":31,"text_sha256":"ac3f8e74f6634d94f6a88cf41502c0e9084ac971fb290c1921feb7bbf3f488a0","block_sha256":"ac3f8e74f6634d94f6a88cf41502c0e9084ac971fb290c1921feb7bbf3f488a0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_0717689e-5e16-4030-8015-088d5ab356ae"},{"id":"occ_4faaa7f984424063ec88dfe9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_0e28c9e7-9390-4194-94c4-56101b049d92","section_id":"sec_7c3a4888-eddc-4698-a7fa-33728e521224","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"ロジック、DRAM、NANDはいずれも半導体ダイだが、内部構造の進化方向は大きく異なる。","quote_start":0,"quote_end":44,"text_sha256":"6ea3389c6174fc2ad83ef6256b0c3087a05815a8d2b5ab8894b3abf8d06cdb8d","block_sha256":"6ea3389c6174fc2ad83ef6256b0c3087a05815a8d2b5ab8894b3abf8d06cdb8d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_0e28c9e7-9390-4194-94c4-56101b049d92"},{"id":"occ_d1a6a03989360af8b57d5b9a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_127d6a1d-84c5-4b54-99af-a92857d7e521","section_id":"sec_7624d9c2-34b7-48ba-b7d0-ac4f1582051f","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"```\n通常型DRAMダイ\n・FEOLアクセス・トランジスタ\n・キャパシター\n・MOL\n・BEOL\n        │\n        │ TSV・ダイ間接続\n        ▼\n通常型DRAMダイ\n        │\n ","quote_start":0,"quote_end":111,"text_sha256":"2f357beaf2be496caffc5cd5b17f1e0603f00864548f7c239262482566891a94","block_sha256":"2f357beaf2be496caffc5cd5b17f1e0603f00864548f7c239262482566891a94","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_127d6a1d-84c5-4b54-99af-a92857d7e521"},{"id":"occ_4ce48d27b8b9538c0bd09b3f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_12a2c971-c488-4dd7-a3e5-71d75cb584a1","section_id":"sec_1f02aa02-0e09-4ba3-b289-adac724f0906","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"```\nロジックセル\n＝複数のトランジスタと配線\n\nDRAMセル\n＝アクセス・トランジスタ＋キャパシター\n\nNANDセル\n＝ゲート、電荷保持膜、チャネルからなる\n  不揮発性メモリ素子\n```","quote_start":0,"quote_end":96,"text_sha256":"96b7b2f5670d7c288976e782a675b9033eb40b5de622061f9349a0e593b164c6","block_sha256":"96b7b2f5670d7c288976e782a675b9033eb40b5de622061f9349a0e593b164c6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_12a2c971-c488-4dd7-a3e5-71d75cb584a1"},{"id":"occ_dd3f4ad5d083ab7bed8cf27c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_12fdbb6b-6fc6-4156-b788-7d4ca84b69ad","section_id":"sec_95df2425-e22b-4cdc-9318-7fb08566c1b8","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"通常のDRAMでは、アクセス・トランジスタ、キャパシター、配線をすべて一枚のDRAMダイの中へ形成する。ただし、それぞれが作られる場所と工程は異なる。","quote_start":0,"quote_end":75,"text_sha256":"2671a615f61105906dfebab8d8cddb057bfdeae277f73d4fcd0163eb0aa2df7d","block_sha256":"2671a615f61105906dfebab8d8cddb057bfdeae277f73d4fcd0163eb0aa2df7d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_12fdbb6b-6fc6-4156-b788-7d4ca84b69ad"},{"id":"occ_32f58f9a5a0dbca71b32fdbb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_1622fd4e-32d2-4a39-9258-5cfa0d089278","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"通常のHBMは、既存型のDRAMダイを積層する。","quote_start":0,"quote_end":24,"text_sha256":"07781eccfd0d2241dadfff591935188e8b356b5357d731e64fd9f056fbe04a8c","block_sha256":"07781eccfd0d2241dadfff591935188e8b356b5357d731e64fd9f056fbe04a8c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_1622fd4e-32d2-4a39-9258-5cfa0d089278"},{"id":"occ_0831cc655e59af3cd1fd314a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_1644cebc-4c6a-41ad-acaf-4e1180baba5f","section_id":"sec_95df2425-e22b-4cdc-9318-7fb08566c1b8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMの基本セルは、1個のアクセス・トランジスタと1個のキャパシターからなる1T1C構造である。","quote_start":0,"quote_end":49,"text_sha256":"f60b1b27b3dfeb5f5cc51743d9718d7b049d7b2c8ed3c8d669e50e870ef14de2","block_sha256":"f60b1b27b3dfeb5f5cc51743d9718d7b049d7b2c8ed3c8d669e50e870ef14de2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_1644cebc-4c6a-41ad-acaf-4e1180baba5f"},{"id":"occ_74e90f94cc052657d547e1ec","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_169dcffd-a0ae-408f-b15e-c9aa718d8f11","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"> **DRAMセルを構成するアクセス・トランジスタや記憶構造を、BEOL互換工程で作れるように再設計する**","quote_start":0,"quote_end":55,"text_sha256":"bb24fc34c11e4501958b9dc73fb0e43605a014d02935d936f111592a24e6f2bb","block_sha256":"bb24fc34c11e4501958b9dc73fb0e43605a014d02935d936f111592a24e6f2bb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_169dcffd-a0ae-408f-b15e-c9aa718d8f11"},{"id":"occ_4fc3b7221f1bd2677ac01d33","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_179c5583-18df-49aa-97bf-6c07b108861f","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":15,"end":19,"exact":"DRAM","quote":"> ダイ内部のBackend DRAMと、ダイ外部の積層・チップレット接続を同時に変える","quote_start":0,"quote_end":44,"text_sha256":"846ce40a3770788c513684f825866530451c8f8b31a70a01831ffd8d92a01bc0","block_sha256":"846ce40a3770788c513684f825866530451c8f8b31a70a01831ffd8d92a01bc0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_179c5583-18df-49aa-97bf-6c07b108861f"},{"id":"occ_185a99960350fd661f936f77","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_1fd50771-5427-403a-816f-2f6bbf3b037e","section_id":"sec_7624d9c2-34b7-48ba-b7d0-ac4f1582051f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"HBMで変わるのは、主として完成したDRAMダイの積み方と、演算ダイへの接続方法である。","quote_start":0,"quote_end":44,"text_sha256":"47bef424db3f64ec93f318a94790d2e026f207040b5747797608a0fcdec4ef57","block_sha256":"47bef424db3f64ec93f318a94790d2e026f207040b5747797608a0fcdec4ef57","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_1fd50771-5427-403a-816f-2f6bbf3b037e"},{"id":"occ_22e38a99c100f8e150b3c2db","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_218d4f84-276c-4166-8dfa-34652a47c91b","section_id":"sec_e600da57-c9ef-42a0-970d-7e779dfece63","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"```\n| 項目 | 通常のDRAM | Backend DRAM |\n| 基本セル | 1T1C | 1T1C |\n| アクセス・トランジスタ | FEOL側 | BEOL互換層 |\n| 主なチャネル | 単結晶シリコン | 薄膜半導","quote_start":0,"quote_end":118,"text_sha256":"82bab075d06d06175de3df3022f44ccf63201afcfc496dc328de27683c9445ae","block_sha256":"82bab075d06d06175de3df3022f44ccf63201afcfc496dc328de27683c9445ae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_218d4f84-276c-4166-8dfa-34652a47c91b"},{"id":"occ_b6a608cf9d2b8758d8549e7a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_26bd1aa9-b000-46b2-9615-b1063f384959","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"ロジック、DRAM、NANDは、それぞれ異なる方法でダイ内部を三次元化してきた。","quote_start":0,"quote_end":40,"text_sha256":"aae15d8f573169c8b1a6e26b843476ffe219d76dbf252c44074ffd814ce30e3a","block_sha256":"aae15d8f573169c8b1a6e26b843476ffe219d76dbf252c44074ffd814ce30e3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_26bd1aa9-b000-46b2-9615-b1063f384959"},{"id":"occ_b321545efbc9b4acaaf97dec","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_27735fef-45f6-4abd-b82c-101b9dbcbefb","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMの概念\n\nBEOL側\n薄膜アクセス・トランジスタ\n＋\nキャパシター\n＋\nDRAMデータブロック\n────────────────\n下層配線・支持構造\n────────────────\nシリコン層\n``","quote_start":0,"quote_end":116,"text_sha256":"f5c46643938d64646fcdb2aa7f2623bd8b8b6081ef6ffefb4b8663aa2bbe979f","block_sha256":"f5c46643938d64646fcdb2aa7f2623bd8b8b6081ef6ffefb4b8663aa2bbe979f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_27735fef-45f6-4abd-b82c-101b9dbcbefb"},{"id":"occ_63a2ff3b204d254c59001197","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_27d11181-228f-4ae1-86b5-fc7bdb125232","section_id":"sec_bdce4a1a-0651-4cd2-9a78-df9f9df5ec30","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"> **積まれるDRAMダイの内部構造から作り直す技術**","quote_start":0,"quote_end":29,"text_sha256":"01b27ee527c27c381c040d4f593efd8da5792326b9676ea065dc0a3e4adce6ce","block_sha256":"01b27ee527c27c381c040d4f593efd8da5792326b9676ea065dc0a3e4adce6ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_27d11181-228f-4ae1-86b5-fc7bdb125232"},{"id":"occ_aa408e9056dc289a7c9aa041","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_28444314-684e-4431-8739-cbd1169abedc","section_id":"sec_5c81e13b-7817-4477-b944-35dbb002e019","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"キャパシターが物理的にトランジスタより上にある場合でも、それだけでBackend DRAMになるわけではない。通常のDRAMでは、セルを選択するアクセス・トランジスタがFEOL側の単結晶シリコンへ作られているからである。","quote_start":0,"quote_end":110,"text_sha256":"e0736a4106dfa0371219dfac19653224df319332841acc2e29d8150c03d8e0e1","block_sha256":"e0736a4106dfa0371219dfac19653224df319332841acc2e29d8150c03d8e0e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_28444314-684e-4431-8739-cbd1169abedc"},{"id":"occ_5c41f41a4352fa9574d0aa4d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_30f3b4fb-0546-402a-9535-6df503209c2f","section_id":"sec_7c3a4888-eddc-4698-a7fa-33728e521224","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"```\nロジック\n＝高速な演算と複雑な配線を重視\n\nDRAM\n＝高速ランダムアクセスと高密度を両立\n\nNAND\n＝書き込み速度をある程度犠牲にして、\n  不揮発性と大容量を重視\n```","quote_start":0,"quote_end":92,"text_sha256":"d016a0d680d0b6e29aebae7a4ba89eb147e7382e117cf5fda6a6a365103c6df0","block_sha256":"d016a0d680d0b6e29aebae7a4ba89eb147e7382e117cf5fda6a6a365103c6df0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_30f3b4fb-0546-402a-9535-6df503209c2f"},{"id":"occ_216732f8346a7a321f7246a1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_32c0343b-68b2-4e4a-b9b0-96729781ef51","section_id":"sec_9cf05703-30d3-4470-8b5f-ec902e2eab61","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAMセルの原理","quote_start":0,"quote_end":12,"text_sha256":"b9a79aac1e547dd4fddb4ab902db3aa1411338e24e316289c6a7bae5e27febd7","block_sha256":"b9a79aac1e547dd4fddb4ab902db3aa1411338e24e316289c6a7bae5e27febd7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_32c0343b-68b2-4e4a-b9b0-96729781ef51"},{"id":"occ_fdd34d0bab4848262bd6c5eb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_32e5c2bc-173c-4c89-a996-48d4a65f102e","section_id":"sec_8af37957-3edd-4766-b12c-845080b0b05f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMでも多値化研究は存在するが、速度、ノイズ、保持時間の制約が厳しい。","quote_start":0,"quote_end":37,"text_sha256":"e560f1f5f13fc3201601faf3d2978d40ed0f7205e41330cca6942e41e2a381a7","block_sha256":"e560f1f5f13fc3201601faf3d2978d40ed0f7205e41330cca6942e41e2a381a7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_32e5c2bc-173c-4c89-a996-48d4a65f102e"},{"id":"occ_b9feb2dd8b1d3a4209a43526","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_33967d7d-abb7-4a2d-8420-4401b75a31a6","section_id":"sec_fe573c98-974f-4cb8-b31a-e047936f85f4","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"```\nXBMが示す方向\n\nBackend DRAMセル\n      ↓\nデータブロック\n      ↓\nメモリダイ\n      ↓\nアクティブ・ベースダイ\n      ↓\nUCIe\n      ↓\nパッケージ内ネットワーク\n```","quote_start":0,"quote_end":116,"text_sha256":"bfa9bf72b89a86d12c0fbcc5d271a0eb77838b05df89e2013f9015c14538df87","block_sha256":"bfa9bf72b89a86d12c0fbcc5d271a0eb77838b05df89e2013f9015c14538df87","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_33967d7d-abb7-4a2d-8420-4401b75a31a6"},{"id":"occ_5dbd35504600a2b565e10093","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_36c99dbf-dad5-481a-b0ee-6dad8b8bb645","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"Backend DRAMとは「DRAMダイをロジックへ入れる」という意味ではなく、","quote_start":0,"quote_end":41,"text_sha256":"b8c9a35b786dc042231f72e2e4442ee4326c36550bc09b6d44ce5a6b45199c98","block_sha256":"b8c9a35b786dc042231f72e2e4442ee4326c36550bc09b6d44ce5a6b45199c98","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_36c99dbf-dad5-481a-b0ee-6dad8b8bb645"},{"id":"occ_103fb3d1f3841a68993f5924","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_38f5a4bd-f7c6-48f9-ac0f-e57ee4f0baba","section_id":"sec_6149ca4f-44d1-4240-8cda-1689eec9c26d","layer":"code","character_id":null,"count":2,"matched_aliases":["3D DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":81,"end":88,"exact":"3D DRAM","quote":"キャパシター\n    ↓\n高アスペクト比キャパシター\n    ↓\n完成ダイ積層HBM\n    ↓\nモノリシック3D DRAM／Backend DRAM\n```","quote_start":26,"quote_end":105,"text_sha256":"d47f4221f37c7ed14fbde035cd2ec376a392930cf71e08095bf955f48c962630","block_sha256":"d47f4221f37c7ed14fbde035cd2ec376a392930cf71e08095bf955f48c962630","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_38f5a4bd-f7c6-48f9-ac0f-e57ee4f0baba"},{"id":"occ_a696efaab940906021900c82","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_3a2c681c-de7d-46de-ae16-f5c8541a4947","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"通常は配線中心だったBEOL側へ、薄膜トランジスタなどのBEOL互換トランジスタを使った1T1C DRAMを形成する構想である。XBMの特許例では、積層される各メモリダイが、BEOLで作られた1T1C DRAMを持つと説明されている。","quote_start":0,"quote_end":117,"text_sha256":"ea8a2083d00d4eb23a638b6608fbbeb0f1821ad068d3ced18c938b7d0fe5177e","block_sha256":"ea8a2083d00d4eb23a638b6608fbbeb0f1821ad068d3ced18c938b7d0fe5177e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_3a2c681c-de7d-46de-ae16-f5c8541a4947"},{"id":"occ_2e9b1243d1d91c16bdd6a00d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_3a5db85c-837a-45c7-8eb8-71c3d3ae8f7c","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"```\n従来HBM\n\n従来型DRAMダイ\n      ＋\nTSV\n      ＋\nマイクロバンプ\n      ＋\n広い並列インターフェース\n```","quote_start":0,"quote_end":73,"text_sha256":"6b61300a0e374091447ccef0a95bb2776da3819bb2ffba83b085125f163c3517","block_sha256":"6b61300a0e374091447ccef0a95bb2776da3819bb2ffba83b085125f163c3517","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_3a5db85c-837a-45c7-8eb8-71c3d3ae8f7c"},{"id":"occ_028500f71fba3ace025443b8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_3e08c91a-9a01-47fc-ac86-8b60e0ce59c7","section_id":"sec_904f0f83-7263-4595-8ad6-b7497fc688fb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":104,"end":108,"exact":"DRAM","quote":"、400℃未満の熱予算で形成するBEOL互換メモリ素子が実証されている。ただし、単体素子の実証と、数十億セルのDRAM量産は別の段階である。([arXiv](https://arxiv.org/abs/2205.00360?utm_source=chatgpt.com))","quote_start":49,"quote_end":185,"text_sha256":"84ec5f67ebb5a8ed9536bb16810b228441718278e6eb1ac37583f277196b1d3c","block_sha256":"84ec5f67ebb5a8ed9536bb16810b228441718278e6eb1ac37583f277196b1d3c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_3e08c91a-9a01-47fc-ac86-8b60e0ce59c7"},{"id":"occ_8a613f43bb152cab853ce591","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_428c790a-88e1-48f8-bee1-7c139d7fbeb8","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"> **DRAMダイの内部で、従来はFEOL側に置いていたアクセス・トランジスタをBEOL互換層へ移す**","quote_start":0,"quote_end":53,"text_sha256":"1744336ddb448c5e37da8b8949b044e1fc128e49b4bb7f761de387359df9b686","block_sha256":"1744336ddb448c5e37da8b8949b044e1fc128e49b4bb7f761de387359df9b686","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_428c790a-88e1-48f8-bee1-7c139d7fbeb8"},{"id":"occ_3601b154d098fd6ac1d21cf2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_446fe0a3-1a74-42ec-9113-b11c0de08fa9","section_id":"sec_5c81e13b-7817-4477-b944-35dbb002e019","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"> **DRAMセルの能動素子であるアクセス・トランジスタをFEOLへ作り、その上へキャパシターと配線構造を積み上げる**","quote_start":0,"quote_end":61,"text_sha256":"84660abda9c3784e382eba28b069e3bed3bdb79049bde0599b8e43e4ab7ae8b6","block_sha256":"84660abda9c3784e382eba28b069e3bed3bdb79049bde0599b8e43e4ab7ae8b6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_446fe0a3-1a74-42ec-9113-b11c0de08fa9"},{"id":"occ_67076f538e516299639b0408","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_448077e5-ad5a-4037-8278-90f2ef46c05a","section_id":"sec_4203c86f-c43d-4c25-a124-a92f9ddd6685","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"XBMのBackend DRAMは、その前に、","quote_start":0,"quote_end":23,"text_sha256":"0321bc2d580c117b129acfc3a3b9ec44a7201b9f107e5d0e6f9a2b5b74b5577a","block_sha256":"0321bc2d580c117b129acfc3a3b9ec44a7201b9f107e5d0e6f9a2b5b74b5577a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_448077e5-ad5a-4037-8278-90f2ef46c05a"},{"id":"occ_b9cc2612a99f0f60822cabbe","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_4489b73d-3fc2-4364-817c-d56acb64c7bb","section_id":"sec_b17dfd6b-1a29-4a2b-8ec8-f268e5be46f8","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nHBM\n\n従来型DRAMダイ\n        ＋\n完成ダイの積層\n        ＋\n広い並列接続\n```","quote_start":0,"quote_end":57,"text_sha256":"a928dd97f2c7e7e3ab6a9eccb7c2249270e837442dfd83bfb34c84fc35e02888","block_sha256":"a928dd97f2c7e7e3ab6a9eccb7c2249270e837442dfd83bfb34c84fc35e02888","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_4489b73d-3fc2-4364-817c-d56acb64c7bb"},{"id":"occ_dddd9384d25c4f9880f1059e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_45f268f9-8a01-4097-a1aa-8ec676a48f4a","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMセル配列をNANDのように数百層作るのではなく、完成したDRAMダイを積層するのがHBMである。","quote_start":0,"quote_end":52,"text_sha256":"27588570933a0e3f9ce2b348fe02639a40c803eea8dfdfe9400bce7a4ac8e7bf","block_sha256":"27588570933a0e3f9ce2b348fe02639a40c803eea8dfdfe9400bce7a4ac8e7bf","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_45f268f9-8a01-4097-a1aa-8ec676a48f4a"},{"id":"occ_fbc2f285579ffbd98f8a8802","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_49d61d07-1f2b-426d-b1d4-e50db785f6a6","section_id":"sec_04dca3f1-d58d-4320-b726-3e0670d955bf","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"上層のBackend DRAMダイを比較的規則的なメモリアレイとして作り、複雑な処理をベースダイへ集める。","quote_start":0,"quote_end":53,"text_sha256":"24da7e6981b3c14386726fe141658b12bd1273117b502b384d30364f4edf6c8c","block_sha256":"24da7e6981b3c14386726fe141658b12bd1273117b502b384d30364f4edf6c8c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_49d61d07-1f2b-426d-b1d4-e50db785f6a6"},{"id":"occ_f91b13eac4c908c2e0e17e45","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_4c3189b5-aef2-4191-8e73-8a7b4b8eb931","section_id":"sec_3ffe7ac2-e476-4fc3-a96b-7dea8a1ac545","layer":"body","character_id":null,"count":7,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":100,"end":104,"exact":"DRAM","quote":"ケージへ続く。\n- セルは最小の物理構造ではなく、最小の機能単位である。\n- ロジックセルは複数トランジスタ、DRAMセルは主に1T1C、NANDセルは電荷保持構造である。\n- ロジックは平面MOSFETからFinFET、GAA nanosheet、CFETへ進化している。\n- ロジックではトランジスタだけでなく、配","quote_start":45,"quote_end":204,"text_sha256":"3e04f2fc1517d110e66bfc5d0449e8970011da09b31277b2db5066c9bc5ffffc","block_sha256":"3e04f2fc1517d110e66bfc5d0449e8970011da09b31277b2db5066c9bc5ffffc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_4c3189b5-aef2-4191-8e73-8a7b4b8eb931"},{"id":"occ_8c9a5e602c8ba147deba49b1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_52afc987-4125-4e10-b688-876e4eb61c67","section_id":"sec_0f78913b-bf27-45a4-81c1-bad5dcb2a680","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"通常のDRAMでは、","quote_start":0,"quote_end":10,"text_sha256":"e1f7e15ef52ccac75a76e62c0b69f004e38915a4ce1e70a891ea7b013cbc66a8","block_sha256":"e1f7e15ef52ccac75a76e62c0b69f004e38915a4ce1e70a891ea7b013cbc66a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_52afc987-4125-4e10-b688-876e4eb61c67"},{"id":"occ_4e6595800182d2862b03b25f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_53a36964-489c-49d7-a697-8447f2dc7922","section_id":"sec_766e956c-2ddc-4e5a-8bda-bce7af11cf37","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"初期のDRAMでは、トランジスタとキャパシターをシリコン表面へ平面的に配置した。","quote_start":0,"quote_end":40,"text_sha256":"7be16908ebdf8fe3c19cd22290a23678df8977f058a6915de1749d9de9e6ef3d","block_sha256":"7be16908ebdf8fe3c19cd22290a23678df8977f058a6915de1749d9de9e6ef3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_53a36964-489c-49d7-a697-8447f2dc7922"},{"id":"occ_8d3c360fc708817fb28930eb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_56047243-a69a-4a16-910b-714abc451744","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"Backend DRAMという名称から、","quote_start":0,"quote_end":20,"text_sha256":"4c5a48485849e5ff1fc51a6575da4152295dc65576c36e70385b57ebef92d665","block_sha256":"4c5a48485849e5ff1fc51a6575da4152295dc65576c36e70385b57ebef92d665","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_56047243-a69a-4a16-910b-714abc451744"},{"id":"occ_43056cd2f2e1e3a731400ef4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_59c43da4-0eed-4878-b5ec-c44cad36b7da","section_id":"sec_e600da57-c9ef-42a0-970d-7e779dfece63","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"ここが、単に完成したDRAMダイを積層するHBMよりも根本的に難しい部分である。","quote_start":0,"quote_end":40,"text_sha256":"7f5cade95eb470e0f924c9f02b46414d42453fede1b9cf40c683b1953c03dcda","block_sha256":"7f5cade95eb470e0f924c9f02b46414d42453fede1b9cf40c683b1953c03dcda","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_59c43da4-0eed-4878-b5ec-c44cad36b7da"},{"id":"occ_7282dec26e9e8a6e23ceb442","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5c7500a7-daeb-4ab8-838e-64d6cc75d39a","section_id":"sec_6149ca4f-44d1-4240-8cda-1689eec9c26d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは、微小電荷を維持しながら密度と帯域を高めている。","quote_start":0,"quote_end":29,"text_sha256":"0696a363da27c1759dddf6d14c73d55faf1a767bacbfe7dc43e963abe3cf8ead","block_sha256":"0696a363da27c1759dddf6d14c73d55faf1a767bacbfe7dc43e963abe3cf8ead","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5c7500a7-daeb-4ab8-838e-64d6cc75d39a"},{"id":"occ_fcc0fbf0b6a8451ecc41cc45","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5cdfaf79-72ec-47c1-b812-30d06473d5cf","section_id":"sec_5a14e3c0-fba3-4491-bee1-844270c1d1b2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMでは、セルアレイ、センスアンプ、ワード線ドライバーなどを組み合わせたサブアレイを形成する。","quote_start":0,"quote_end":49,"text_sha256":"12460ecc4f81d6d3375781736e1fccfd5cc26d25b86d57b7a79eec2aa1c7d94b","block_sha256":"12460ecc4f81d6d3375781736e1fccfd5cc26d25b86d57b7a79eec2aa1c7d94b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5cdfaf79-72ec-47c1-b812-30d06473d5cf"},{"id":"occ_828b29e36087e0e583d27e8c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5dd7c840-0071-42d5-b99f-129b44e40861","section_id":"sec_b17dfd6b-1a29-4a2b-8ec8-f268e5be46f8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":48,"exact":"DRAM","quote":"XBMも複数のメモリダイを積層するが、その前に積層されるメモリダイ自体をBackend DRAM型へ変更する。","quote_start":0,"quote_end":55,"text_sha256":"deb9e200a842b52b331249235fc9cbe01ef38938932cb4335b5856dae75a4228","block_sha256":"deb9e200a842b52b331249235fc9cbe01ef38938932cb4335b5856dae75a4228","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5dd7c840-0071-42d5-b99f-129b44e40861"},{"id":"occ_6d73c7be6deef282e4f2618f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5ec56e5f-89d3-4437-b692-ca692ccb694f","section_id":"sec_95df2425-e22b-4cdc-9318-7fb08566c1b8","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"```\n通常のDRAMダイ\n\nダイ表面\n┌────────────────────┐\n│ BEOL                              │\n│ 金属配線・ビア・電源配線           │\n├──","quote_start":0,"quote_end":111,"text_sha256":"7e5440bec13aab6a202ab42543fba5e181f563fe8df68fd54858c0bf037fb044","block_sha256":"7e5440bec13aab6a202ab42543fba5e181f563fe8df68fd54858c0bf037fb044","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5ec56e5f-89d3-4437-b692-ca692ccb694f"},{"id":"occ_22dc6bf5c5804a59d55014ed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_5fdc40e9-f6c9-4b44-ae7d-04bb75e08e63","section_id":"sec_7624d9c2-34b7-48ba-b7d0-ac4f1582051f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"## HBMは「完成したDRAMダイを積む」","quote_start":0,"quote_end":22,"text_sha256":"1063b064f8475e56bf1f51f908b11c2648001c5f448ae78883956f263c096c36","block_sha256":"1063b064f8475e56bf1f51f908b11c2648001c5f448ae78883956f263c096c36","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_5fdc40e9-f6c9-4b44-ae7d-04bb75e08e63"},{"id":"occ_023b424c8037b6127f7499cb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_60d3e531-2574-4a5f-bab7-b00a17fd1de0","section_id":"sec_6149ca4f-44d1-4240-8cda-1689eec9c26d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM","quote_start":0,"quote_end":7,"text_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","block_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_60d3e531-2574-4a5f-bab7-b00a17fd1de0"},{"id":"occ_be2ff824faeba5f274ddf81e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_611a7143-7562-4206-a70f-982ef0eab2db","section_id":"sec_bc46f20a-b536-461a-8c86-da5b9c2dfaa7","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"```\n| 項目 | ロジック | DRAM | NAND |\n| 主な用途 | 演算・制御 | 主記憶・作業領域 | 大容量ストレージ |\n| 基本セル | 複数FETの論理回路 | 1T1C | 電荷保持トランジスタ |\n| データ保持 |","quote_start":0,"quote_end":122,"text_sha256":"5e4569e663103da98b72ac0a3004bc69c91c2c4baabc58a4bb1c129db79318ef","block_sha256":"5e4569e663103da98b72ac0a3004bc69c91c2c4baabc58a4bb1c129db79318ef","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_611a7143-7562-4206-a70f-982ef0eab2db"},{"id":"occ_c3120b8def67bf5e72f8fb87","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_673baebe-e2c8-487b-8f50-861340ab3d99","section_id":"sec_a54a9d2b-9097-4412-acb8-3b0e7f8c6a70","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"ロジックでは、NANDやDRAMのように同一セルだけを規則的に並べることはできない。","quote_start":0,"quote_end":42,"text_sha256":"ed80e86300caf148c5274998047936929f780312b97f638b19b3bd521aa80de1","block_sha256":"ed80e86300caf148c5274998047936929f780312b97f638b19b3bd521aa80de1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_673baebe-e2c8-487b-8f50-861340ab3d99"},{"id":"occ_72d7c969bf9b292dfc2bd7d7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_68a4f84c-b1f7-46a8-9a0a-7b966c6eef8d","section_id":"sec_4203c86f-c43d-4c25-a124-a92f9ddd6685","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"```\n新しいDRAMセル工程\n        ＋\n新しいメモリダイ\n        ＋\nダイ積層\n        ＋\nチップレット通信\n```","quote_start":0,"quote_end":72,"text_sha256":"c35aba59f2b83cbc463ea012a992a076c2271bee24f155b3601bfed5d71f1c19","block_sha256":"c35aba59f2b83cbc463ea012a992a076c2271bee24f155b3601bfed5d71f1c19","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_68a4f84c-b1f7-46a8-9a0a-7b966c6eef8d"},{"id":"occ_7ec5a2251b670984c77753e5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_6d0a102e-ae2e-4791-9adf-620817918447","section_id":"sec_bc46f20a-b536-461a-8c86-da5b9c2dfaa7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"## ロジック、DRAM、NANDの比較","quote_start":0,"quote_end":20,"text_sha256":"0699bf76af5e2bd619136f060aa3646066ce2343870b4340898654e70eec3364","block_sha256":"0699bf76af5e2bd619136f060aa3646066ce2343870b4340898654e70eec3364","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_6d0a102e-ae2e-4791-9adf-620817918447"},{"id":"occ_d7ee07c34b29632a52764fe0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_6e4d5a30-4e75-4ab4-8a03-36902d56f0f5","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"Sectored DRAM:  \n[https://arxiv.org/abs/2207.13795](https://arxiv.org/abs/2207.13795)","quote_start":0,"quote_end":85,"text_sha256":"572e2e11be0d6a8504d65c77f2f568c919f3a00edaad9590133a89f117fcee3d","block_sha256":"572e2e11be0d6a8504d65c77f2f568c919f3a00edaad9590133a89f117fcee3d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_6e4d5a30-4e75-4ab4-8a03-36902d56f0f5"},{"id":"occ_3fc770e1b2367c25c15567ba","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_705baddb-5186-49d7-b20a-6a945450eb25","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1,"end":5,"exact":"DRAM","quote":"各DRAMダイ内部には、それぞれFEOL、MOL、BEOLが存在する。","quote_start":0,"quote_end":35,"text_sha256":"35babb229fe56cbccf439807bd11153d12b82f6d88dbe5a9369139e3b5b11978","block_sha256":"35babb229fe56cbccf439807bd11153d12b82f6d88dbe5a9369139e3b5b11978","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_705baddb-5186-49d7-b20a-6a945450eb25"},{"id":"occ_bf51b3fe0b568bea4d7b8ddc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_763e02f7-32ed-423f-a3cf-a593635d3b61","section_id":"sec_2725fb0e-f036-48a5-86b1-f226cec5961d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"将来の研究では、完成ダイを積むのではなく、一枚のダイ内部へDRAMセル層を複数形成する構想がある。","quote_start":0,"quote_end":49,"text_sha256":"d4625c0af1a07151e21cbfe06a0e6076731093170cf1b273f89ce9f3a26220b5","block_sha256":"d4625c0af1a07151e21cbfe06a0e6076731093170cf1b273f89ce9f3a26220b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_763e02f7-32ed-423f-a3cf-a593635d3b61"},{"id":"occ_c58a633f2dd0beaa881e2601","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_77f95345-46a1-4feb-9ca5-6a33d5bff695","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"3D積層DRAMでは、下層のロジックダイへ制御回路や処理回路を置けるため、メモリ内部の大きな帯域を活用したProcessing-in-Memoryの研究も進められている。([arXiv](https://arxiv.","quote_start":0,"quote_end":108,"text_sha256":"4d92b8bb1497fa5aa319da6ca19a0ed1037760e6a4b76805dc263019d3195c67","block_sha256":"4d92b8bb1497fa5aa319da6ca19a0ed1037760e6a4b76805dc263019d3195c67","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_77f95345-46a1-4feb-9ca5-6a33d5bff695"},{"id":"occ_6df95be3287d23d24c4cd9e7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_781cbfbf-5aba-465b-b060-8ceb80ef056a","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Microarchitecture:  \n[https://arxiv.org/abs/2405.02499](https://arxiv.org/abs/2405.02499)","quote_start":0,"quote_end":94,"text_sha256":"fd476e6a4e40ba46819616daee05d26256400223f4872ddb8ae270ad54f5827f","block_sha256":"fd476e6a4e40ba46819616daee05d26256400223f4872ddb8ae270ad54f5827f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_781cbfbf-5aba-465b-b060-8ceb80ef056a"},{"id":"occ_6fd6af767a81b144996403d8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_7d889a76-66bc-4143-851d-65a7eec00353","section_id":"sec_3a764f9b-29cc-41d2-8462-45a6588046c7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMセルは、単独では動作しない。","quote_start":0,"quote_end":18,"text_sha256":"d20f763b2b66a4b7ca2e13e13b509849de4edfb8d8d5c2008579dd748d115eb5","block_sha256":"d20f763b2b66a4b7ca2e13e13b509849de4edfb8d8d5c2008579dd748d115eb5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_7d889a76-66bc-4143-851d-65a7eec00353"},{"id":"occ_92b89303a335534ba2c92815","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_7e815d79-51ea-46fb-866d-33cb019ada67","section_id":"sec_5c81e13b-7817-4477-b944-35dbb002e019","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"従来型DRAMのアクセス・トランジスタは、基本的に単結晶シリコン基板を使うFEOL側へ形成される。","quote_start":0,"quote_end":49,"text_sha256":"df0ce0a9e205717a3558c5ac6614279592562ceb3bd66474d4b5154f081d207e","block_sha256":"df0ce0a9e205717a3558c5ac6614279592562ceb3bd66474d4b5154f081d207e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_7e815d79-51ea-46fb-866d-33cb019ada67"},{"id":"occ_d754a1b701cfb56fc8118f88","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_82900f98-377b-4951-b55a-c941cd0f7575","section_id":"sec_5c81e13b-7817-4477-b944-35dbb002e019","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"したがって、「通常のDRAMダイをFEOLへ作る」というよりも、","quote_start":0,"quote_end":32,"text_sha256":"2531d47de5651df3b1ac2e72856c08e3234cd639c5d55278bee4fb7fd12a905d","block_sha256":"2531d47de5651df3b1ac2e72856c08e3234cd639c5d55278bee4fb7fd12a905d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_82900f98-377b-4951-b55a-c941cd0f7575"},{"id":"occ_29725ad8ed60ef62ea2bec46","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_832c6718-0253-44df-be80-12379bcd7bde","section_id":"sec_f48c1291-53a7-4254-baf9-88b53af58c21","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAMは微小電荷を高速に読む必要がある","quote_start":0,"quote_end":23,"text_sha256":"e240bc1d0ca936190fef02fb91693cf04a5f47207db494c7969804c0cbc9734b","block_sha256":"e240bc1d0ca936190fef02fb91693cf04a5f47207db494c7969804c0cbc9734b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_832c6718-0253-44df-be80-12379bcd7bde"},{"id":"occ_e02c15de6c186cc5278e9f1a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_8355fc4f-bd08-439a-83e2-054798b13ca3","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":18,"exact":"3D DRAM","quote":"Monolithic 3D DRAM:  \n[https://arxiv.org/abs/2603.12461](https://arxiv.org/abs/2603.12461)","quote_start":0,"quote_end":90,"text_sha256":"eca84bd6bccf365195647b07135b15fe5f44e00568769d68cf497272c3572aab","block_sha256":"eca84bd6bccf365195647b07135b15fe5f44e00568769d68cf497272c3572aab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_8355fc4f-bd08-439a-83e2-054798b13ca3"},{"id":"occ_45385ce8088ea2b4ff0333ed","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_86ec125f-9d6e-4ff3-abb9-8398ff20af52","section_id":"sec_0f78913b-bf27-45a4-81c1-bad5dcb2a680","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":86,"end":90,"exact":"DRAM","quote":"ル材料、保持時間、リーク電流、実測性能、量産歩留まりは公表されていない。Backend-transistor DRAMは製造規模での実証がまだ確認されておらず、XBMにも公式な製品ロードマップは示されていない。","quote_start":31,"quote_end":136,"text_sha256":"6891392dc78aa48cdfa9e9f49137895e93382606ca6bb9a42a939b5e3a72f196","block_sha256":"6891392dc78aa48cdfa9e9f49137895e93382606ca6bb9a42a939b5e3a72f196","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_86ec125f-9d6e-4ff3-abb9-8398ff20af52"},{"id":"occ_b060770058e15c6a3764bc93","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_8b59d856-6cd3-4b0a-9d6f-d3dd5defcbdb","section_id":"sec_0f78913b-bf27-45a4-81c1-bad5dcb2a680","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"Backend DRAMでは、","quote_start":0,"quote_end":15,"text_sha256":"24b29775c3c16f2531c19b4de7d568daa4446173deb520b12c5d696e84e9311f","block_sha256":"24b29775c3c16f2531c19b4de7d568daa4446173deb520b12c5d696e84e9311f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_8b59d856-6cd3-4b0a-9d6f-d3dd5defcbdb"},{"id":"occ_902546543a69a8d10b9dc4fc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_8be28467-7024-4892-a9f8-8c37d2df42ed","section_id":"sec_23b747dd-fa7e-4bc6-85ae-23aa066f318f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":58,"end":62,"exact":"DRAM","quote":"PUコア\n- GPU演算器\n- キャッシュ\n- メモリコントローラー\n- PHY\n- セキュリティー回路\n- DRAMバンク\n- NANDプレーン","quote_start":3,"quote_end":76,"text_sha256":"49ceebeec8ee5002bcb425d1807a6d1b0555a05deff67d6c2c30c6137132c152","block_sha256":"49ceebeec8ee5002bcb425d1807a6d1b0555a05deff67d6c2c30c6137132c152","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_8be28467-7024-4892-a9f8-8c37d2df42ed"},{"id":"occ_94255b3b4ba1dab1eef5ed94","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_8c797057-ef3e-4f25-916a-1c149f6244e3","section_id":"sec_0f78913b-bf27-45a4-81c1-bad5dcb2a680","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":51,"end":55,"exact":"DRAM","quote":"```\n下層構造や配線を作る\n        ↓\n低温のBEOL互換工程で\nアクセス・トランジスタと\nDRAMセルを形成する\n```","quote_start":0,"quote_end":66,"text_sha256":"4235ff1adfbea48b89466b45ecf219789c16b3e6e4e6588106528ad54c27f153","block_sha256":"4235ff1adfbea48b89466b45ecf219789c16b3e6e4e6588106528ad54c27f153","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_8c797057-ef3e-4f25-916a-1c149f6244e3"},{"id":"occ_60ae50ceeb35d9a07dc33915","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_964b5d1f-6431-449f-96b3-7b879f0da7fa","section_id":"sec_e600da57-c9ef-42a0-970d-7e779dfece63","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"```\n通常のDRAM\n1T ＋ 1C\n\nBackend DRAM\n1T ＋ 1C\n```","quote_start":0,"quote_end":45,"text_sha256":"faca7c015e8854191a0aaa3ed1a631d4d36787150e51afd6fe1aad2bab7b4564","block_sha256":"faca7c015e8854191a0aaa3ed1a631d4d36787150e51afd6fe1aad2bab7b4564","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_964b5d1f-6431-449f-96b3-7b879f0da7fa"},{"id":"occ_fc4060b7eb503216d924f25d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_96503fd2-58c5-4eee-bd5d-67f6b01515b6","section_id":"sec_9cf05703-30d3-4470-8b5f-ec902e2eab61","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMは容量と帯域を大きく伸ばしてきた一方、アクセス遅延の改善は比較的小さく、ビット線やセンスアンプを含むアレイ構造が長期的なボトルネックになっている。([arXiv](https://arxiv.org/","quote_start":0,"quote_end":104,"text_sha256":"4cac5cf286f42f5c33221b754c524305f075d1804b5bc7dc4572b8dce41db025","block_sha256":"4cac5cf286f42f5c33221b754c524305f075d1804b5bc7dc4572b8dce41db025","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_96503fd2-58c5-4eee-bd5d-67f6b01515b6"},{"id":"occ_65635884529552e6b115d247","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_990e730d-60dc-45a2-aad5-d88466e81e58","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"IntelのXBM特許では、各メモリダイが1T1C Backend DRAMを持ち、メモリダイを複数積層し、TSV gutter、High Bandwidth Interconnect、アクティブ・ベースダイ、UCIe、自己検査、冗長修復を組み合わせる構成が示されている。([","quote_start":0,"quote_end":138,"text_sha256":"915eb282fc6291ab682675968b69c377873a9dd9db8b62e04d0af7c31ff0e3b0","block_sha256":"915eb282fc6291ab682675968b69c377873a9dd9db8b62e04d0af7c31ff0e3b0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_990e730d-60dc-45a2-aad5-d88466e81e58"},{"id":"occ_08722cb35d0ffaaae1951221","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_9b70c2ca-cf22-4915-807f-c47fc1d8fef9","section_id":"sec_7624d9c2-34b7-48ba-b7d0-ac4f1582051f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"従来のHBMでは、通常型DRAMダイをそれぞれ独立して製造する。","quote_start":0,"quote_end":32,"text_sha256":"281eb4b5969b752e8be535145cc540455cec03560745334c54111f8aec90ff21","block_sha256":"281eb4b5969b752e8be535145cc540455cec03560745334c54111f8aec90ff21","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_9b70c2ca-cf22-4915-807f-c47fc1d8fef9"},{"id":"occ_e7599008aab6729b41f0f9e3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_9b73b2a4-90b4-4dbd-8f61-ca52bd795c30","section_id":"sec_904f0f83-7263-4595-8ad6-b7497fc688fb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"XBM特許では、BEOL側へ薄膜トランジスタを使った1T1C DRAMを形成する構想が示されている。([Free Patents Online](https://www.freepatentsonline.com/y2026/0191095.html))","quote_start":0,"quote_end":127,"text_sha256":"1db329c8b32a52549abb98695f2fd4de6f2cf11fa8e13c8d45b2c18f6f8a388f","block_sha256":"1db329c8b32a52549abb98695f2fd4de6f2cf11fa8e13c8d45b2c18f6f8a388f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_9b73b2a4-90b4-4dbd-8f61-ca52bd795c30"},{"id":"occ_c2669e63737ae075d2a7b51f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_9de1c113-deef-43d4-9f5f-c50c48582fec","section_id":"sec_bdce4a1a-0651-4cd2-9a78-df9f9df5ec30","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"HBMが「完成したDRAMダイの積み方」を進化させた技術だとすれば、Backend DRAMは、","quote_start":0,"quote_end":48,"text_sha256":"f980f637e1a556354c9a82e42a15c77799134323f986ecf2ef9b9c8ab9b22c1a","block_sha256":"f980f637e1a556354c9a82e42a15c77799134323f986ecf2ef9b9c8ab9b22c1a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_9de1c113-deef-43d4-9f5f-c50c48582fec"},{"id":"occ_3c471c899d5ee99048c0c6e2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a06e72e6-39e9-47da-b563-f6f5e1a20606","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## Backend DRAMはロジックダイへDRAMダイを入れる技術ではない","quote_start":0,"quote_end":39,"text_sha256":"94b2e12660a5f73a5be410687e8a967a0ad8c534b81eec11d7068992685d1ef8","block_sha256":"94b2e12660a5f73a5be410687e8a967a0ad8c534b81eec11d7068992685d1ef8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a06e72e6-39e9-47da-b563-f6f5e1a20606"},{"id":"occ_e57664583a923783713a2e0c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a1ba3240-801f-4243-8511-6bd56b8db745","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"```\nXBM\n\nBackend DRAMを持つ新しいメモリダイ\n        ＋\nデータブロック化\n        ＋\n積層\n        ＋\nTSV gutter\n        ＋\nアクティブ・ベースダイ\n        ＋\nUCI","quote_start":0,"quote_end":121,"text_sha256":"8bec66bf9f93146bd815aeb2953d2dcdec37e636203c9b4750852dd9c019ce01","block_sha256":"8bec66bf9f93146bd815aeb2953d2dcdec37e636203c9b4750852dd9c019ce01","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a1ba3240-801f-4243-8511-6bd56b8db745"},{"id":"occ_ade65db2b011993caf5c9c52","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a1e2d760-790f-4aca-b858-35d8ef8ce3fc","section_id":"sec_c3f39b7f-3cf1-4acf-ba39-3417b4a9ac80","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"Backend DRAMは量産性が未確立である可能性が高いため、最初から完全無欠なダイを要求するのではなく、冗長性と修復機能で歩留まりを補う設計と考えられる。","quote_start":0,"quote_end":79,"text_sha256":"3d498a6b771f6f18f22178b8d1e5b511b9ceb51362c0fe1cc93c359b6a8f4f2d","block_sha256":"3d498a6b771f6f18f22178b8d1e5b511b9ceb51362c0fe1cc93c359b6a8f4f2d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a1e2d760-790f-4aca-b858-35d8ef8ce3fc"},{"id":"occ_63c0bfeab209bb437795228d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a2a81962-e6eb-44ed-b289-9f863feae1d3","section_id":"sec_a801945e-4aac-4f1a-958e-0dda92e80ad9","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMセル\n────────────\n配線\n────────────\n下層シリコン\n```","quote_start":0,"quote_end":58,"text_sha256":"211d68473421325840f4a3839dff02cde494a50807f2fe0304a6c53ca3514ae7","block_sha256":"211d68473421325840f4a3839dff02cde494a50807f2fe0304a6c53ca3514ae7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a2a81962-e6eb-44ed-b289-9f863feae1d3"},{"id":"occ_570cf5d72c70c40d9301764b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a509544c-017e-4026-af9f-a2ac29d9098c","section_id":"sec_c1bc3c53-e5ae-4c20-8feb-e15bfc6fa960","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## 第二部　DRAMダイ内部の進化","quote_start":0,"quote_end":18,"text_sha256":"c1f0be219c491a7b973c88f64693027817f369473a1fc26e98eaad2b9b113e9a","block_sha256":"c1f0be219c491a7b973c88f64693027817f369473a1fc26e98eaad2b9b113e9a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a509544c-017e-4026-af9f-a2ac29d9098c"},{"id":"occ_bd65cbeb65f9384332f21705","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a75aa252-9cf6-4501-9351-5027b7ba7953","section_id":"sec_5c81e13b-7817-4477-b944-35dbb002e019","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"### 通常のDRAMでは、アクセス・トランジスタをFEOL側に作る","quote_start":0,"quote_end":34,"text_sha256":"1ea4f27bb6d555af013158d57070dc344ce24034b345a12728c5142746cd704c","block_sha256":"1ea4f27bb6d555af013158d57070dc344ce24034b345a12728c5142746cd704c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a75aa252-9cf6-4501-9351-5027b7ba7953"},{"id":"occ_713e7030f1a72f149539656a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_a89b0ac2-6016-4577-82e8-69c63fbd803c","section_id":"sec_c7b22107-1cb5-4537-ad91-4d89b9af03de","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\nBackend DRAMダイ\n        │\nTSV gutter\n        │\nアクティブ・ベースダイ\n・UCI","quote_start":0,"quote_end":116,"text_sha256":"fba1846b973501a572d1c0ef8230a89e42797e17ce0ccbe3a12cf68e0cdb4c0a","block_sha256":"fba1846b973501a572d1c0ef8230a89e42797e17ce0ccbe3a12cf68e0cdb4c0a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_a89b0ac2-6016-4577-82e8-69c63fbd803c"},{"id":"occ_389b8e189fa7b039a417fd9e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_ac32e70b-cabf-40bf-8f00-ff87cb29e141","section_id":"sec_fe573c98-974f-4cb8-b31a-e047936f85f4","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"```\nHBM\n\nDRAMセル\n  ↓\nDRAMダイ\n  ↓\n積層メモリ\n  ↓\nGPUに隣接\n```","quote_start":0,"quote_end":51,"text_sha256":"b05e2d863884a2c5e0e2d25a4878da808afae1e76b4e34f40710718ca6e98ad1","block_sha256":"b05e2d863884a2c5e0e2d25a4878da808afae1e76b4e34f40710718ca6e98ad1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_ac32e70b-cabf-40bf-8f00-ff87cb29e141"},{"id":"occ_873821ba1b8bb3ac8caa9ba5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b1a3d3c0-b607-423f-a0bb-ddf01d38bd4f","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"つまり、完成したDRAMダイをロジックダイへ埋め込むのではない。","quote_start":0,"quote_end":32,"text_sha256":"6b310bf986e25a72b528e5ba98a2846785b54049f0feb511ed4158f8315660d0","block_sha256":"6b310bf986e25a72b528e5ba98a2846785b54049f0feb511ed4158f8315660d0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b1a3d3c0-b607-423f-a0bb-ddf01d38bd4f"},{"id":"occ_b8f2936e77d5a57a57674e66","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b29257e0-0799-42fc-8831-81401adf6d10","section_id":"sec_df99c946-8cee-48ff-8243-9263d183706d","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"```\nロジックダイの中へ\n完成したDRAMダイを埋め込む\n```","quote_start":0,"quote_end":33,"text_sha256":"eea40eb94913b6539912d58a74398e48ae68f7c29efef239f0e1ba849e77a69f","block_sha256":"eea40eb94913b6539912d58a74398e48ae68f7c29efef239f0e1ba849e77a69f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b29257e0-0799-42fc-8831-81401adf6d10"},{"id":"occ_ac9540d1cf0a5ed0d0ca0837","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b2b6204b-faf0-4c08-b5ff-40db65999f2a","section_id":"sec_a650a12a-270d-4a61-b0f9-544d33475521","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMはキャパシターを高くし、完成ダイをHBMとして積み、将来はセル層自体の三次元化を目指している。","quote_start":0,"quote_end":51,"text_sha256":"c336afc647b864b6b15ed1231a5be3252e541018707bec094d9919cf882a9dee","block_sha256":"c336afc647b864b6b15ed1231a5be3252e541018707bec094d9919cf882a9dee","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b2b6204b-faf0-4c08-b5ff-40db65999f2a"},{"id":"occ_85205d6492230f5e557a7423","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b3598781-affa-4e19-b61e-264bd17b011e","section_id":"sec_9cf05703-30d3-4470-8b5f-ec902e2eab61","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"現代DRAMの基本セルは1T1Cである。","quote_start":0,"quote_end":20,"text_sha256":"aca47b192231aaf14a68887f74824873b124c0b6ba2692bc9f3c476f1ac6d13e","block_sha256":"aca47b192231aaf14a68887f74824873b124c0b6ba2692bc9f3c476f1ac6d13e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b3598781-affa-4e19-b61e-264bd17b011e"},{"id":"occ_555e1b0dfceed91de14241aa","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b4b30573-1c95-41e1-ab68-45cbc90ec78e","section_id":"sec_e600da57-c9ef-42a0-970d-7e779dfece63","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"通常のDRAMとBackend DRAMは、どちらも基本的には1T1Cである。","quote_start":0,"quote_end":39,"text_sha256":"b55bf753f61e68f2a5899fba8981bc516280d20f1d1ed6719a45dedb793b36bc","block_sha256":"b55bf753f61e68f2a5899fba8981bc516280d20f1d1ed6719a45dedb793b36bc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b4b30573-1c95-41e1-ab68-45cbc90ec78e"},{"id":"occ_445855328920c46e02cbdb3b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_b78c4536-3b03-485a-ae8b-9d8f0aa55095","section_id":"sec_904f0f83-7263-4595-8ad6-b7497fc688fb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## Backend DRAMとは何か","quote_start":0,"quote_end":19,"text_sha256":"48b3885d9adc05b1091e002b7b14d40f8640ea5621dcf63344098c0b52b708ca","block_sha256":"48b3885d9adc05b1091e002b7b14d40f8640ea5621dcf63344098c0b52b708ca","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_b78c4536-3b03-485a-ae8b-9d8f0aa55095"},{"id":"occ_1680cc3e0727c42189e53781","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_baa9559e-6f8a-497f-87ec-ed50f90d2cb0","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## Backend DRAMでは、何が変わるのか","quote_start":0,"quote_end":25,"text_sha256":"0bef0b506f52126a469f55ee5ea5e1d827c5ca980caa7e2eba4d3336e6b7a4dc","block_sha256":"0bef0b506f52126a469f55ee5ea5e1d827c5ca980caa7e2eba4d3336e6b7a4dc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_baa9559e-6f8a-497f-87ec-ed50f90d2cb0"},{"id":"occ_8ac590f3cb3293be06f8782a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_bbe544c9-9689-4e8e-acba-168673da7b56","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAMダイ\n    │ TSV\nDRAMダイ\n    │ TSV\nDRAMダイ\n    │\nベース／ロジックダイ\n```","quote_start":0,"quote_end":65,"text_sha256":"04e9555631ab7994cd258bc738ef621e2e97f8c21495da22feb5ba7e5bdb3d0d","block_sha256":"04e9555631ab7994cd258bc738ef621e2e97f8c21495da22feb5ba7e5bdb3d0d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_bbe544c9-9689-4e8e-acba-168673da7b56"},{"id":"occ_007794194c48b535ff79c020","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_bc97076e-e922-4987-b396-2e9aa1aae135","section_id":"sec_2725fb0e-f036-48a5-86b1-f226cec5961d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"ただしDRAMでは、各層のセルをセンスアンプへつなぎ、微小電荷を高速に読み出す必要がある。","quote_start":0,"quote_end":45,"text_sha256":"e670c1a5e1736d51b0cc8e5725473e4bfba2336b5568a88782232de3f2871390","block_sha256":"e670c1a5e1736d51b0cc8e5725473e4bfba2336b5568a88782232de3f2871390","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_bc97076e-e922-4987-b396-2e9aa1aae135"},{"id":"occ_fb58c517057e85715e6dace3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_bda2c9fe-9b95-405d-a2f2-3060275ffa31","section_id":"sec_bdce4a1a-0651-4cd2-9a78-df9f9df5ec30","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"> **通常のDRAMは、FEOLの単結晶シリコン・トランジスタを土台にセルを作る。Backend DRAMは、1T1Cの基本原理を維持しながら、アクセス・トランジスタをBEOL互換層へ移し、DRAMダイの作り方そのものを","quote_start":0,"quote_end":111,"text_sha256":"a5c2967bbd2991fafdb54b93250871177be381fd74559d000ad8ec413c1c6261","block_sha256":"a5c2967bbd2991fafdb54b93250871177be381fd74559d000ad8ec413c1c6261","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_bda2c9fe-9b95-405d-a2f2-3060275ffa31"},{"id":"occ_506b0f28e16f74c8a26499d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_c16cbe87-8b1c-4362-a993-d6c112e5789b","section_id":"sec_2725fb0e-f036-48a5-86b1-f226cec5961d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"モノリシック3D 1T1C DRAMの研究でも、上下セル間の結合や浮遊ボディ効果が信頼性上の重要課題として検討されている。([arXiv](https://arxiv.org/abs/2511.00638?utm_source=chat","quote_start":0,"quote_end":118,"text_sha256":"6e82fa5dacfb9d42edad5d31a7d6eabe015438f9c9514cbcd3f30e8d02831b8a","block_sha256":"6e82fa5dacfb9d42edad5d31a7d6eabe015438f9c9514cbcd3f30e8d02831b8a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_c16cbe87-8b1c-4362-a993-d6c112e5789b"},{"id":"occ_691d89fd33901618de072113","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_c4dc7b6c-effe-45db-bd9b-938724e7f4d8","section_id":"sec_b17dfd6b-1a29-4a2b-8ec8-f268e5be46f8","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"```\nXBM\n\nBackend DRAM型メモリダイ\n        ＋\n完成ダイの積層\n        ＋\nデータブロック化\n        ＋\nアクティブ・ベースダイ\n        ＋\n高速チップレット接続\n```","quote_start":0,"quote_end":111,"text_sha256":"e7dba74356c2e828641e4b4bf7c6bc4da7d85925d4be297bf6547d98c7215787","block_sha256":"e7dba74356c2e828641e4b4bf7c6bc4da7d85925d4be297bf6547d98c7215787","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_c4dc7b6c-effe-45db-bd9b-938724e7f4d8"},{"id":"occ_694c56b26adf6d9ad8c0cc15","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_c671222c-edd7-4f25-adea-8cefb94b8949","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"> DRAMセルをダイ内部で多層化したものではなく、完成したDRAMダイをパッケージ工程で積層したもの","quote_start":0,"quote_end":51,"text_sha256":"8b5f8f247f484daf3408b7aa962428e2d55ff3ed0a616ccf4fceb156e957835c","block_sha256":"8b5f8f247f484daf3408b7aa962428e2d55ff3ed0a616ccf4fceb156e957835c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_c671222c-edd7-4f25-adea-8cefb94b8949"},{"id":"occ_8c182d569b79c196a8ce8396","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_c86f2b75-4dda-4c92-8c19-6c57438c027d","section_id":"sec_fe573c98-974f-4cb8-b31a-e047936f85f4","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"```\n従来\n\nDRAMセル\n  ↓\nDRAMダイ\n  ↓\n外部メモリ部品\n```","quote_start":0,"quote_end":41,"text_sha256":"235d98fdb20127d62da9865c8998cd0efe37609962e55c216d7b922994b9e1d5","block_sha256":"235d98fdb20127d62da9865c8998cd0efe37609962e55c216d7b922994b9e1d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_c86f2b75-4dda-4c92-8c19-6c57438c027d"},{"id":"occ_0091e56e581a2dbbea2471d8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_c884bc7f-1304-474e-91f2-106072ec40b5","section_id":"sec_1f02aa02-0e09-4ba3-b289-adac724f0906","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"同じ「セル」でも、ロジック、DRAM、NANDでは意味が異なる。","quote_start":0,"quote_end":32,"text_sha256":"1b2e84ecfd4f2502a103027da51a7029bbe984ec747774d975f0646d6e2075ed","block_sha256":"1b2e84ecfd4f2502a103027da51a7029bbe984ec747774d975f0646d6e2075ed","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_c884bc7f-1304-474e-91f2-106072ec40b5"},{"id":"occ_27294f554e1c11bda428bca7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_d218dc39-d64d-4720-b44a-bb878d976ea6","section_id":"sec_0f78913b-bf27-45a4-81c1-bad5dcb2a680","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"## Backend DRAMの本当の新しさ","quote_start":0,"quote_end":22,"text_sha256":"9b36f86d120fc6eed4356f75756fce5ea62278b56329a92cff4c3f72a4b077b1","block_sha256":"9b36f86d120fc6eed4356f75756fce5ea62278b56329a92cff4c3f72a4b077b1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_d218dc39-d64d-4720-b44a-bb878d976ea6"},{"id":"occ_d7bb610cba33c47317d6b3ae","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_d222dfda-831e-49c5-ae72-9322df0058a7","section_id":"sec_95df2425-e22b-4cdc-9318-7fb08566c1b8","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 通常のDRAMとBackend DRAMは何が違うのか","quote_start":0,"quote_end":30,"text_sha256":"765ea0197caf18aefe1ddc4c4f7ac3a97378003822d9a2e9b75a3b68416b0716","block_sha256":"765ea0197caf18aefe1ddc4c4f7ac3a97378003822d9a2e9b75a3b68416b0716","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_d222dfda-831e-49c5-ae72-9322df0058a7"},{"id":"occ_b95cd3fbcf242862f27247c0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_d246fd49-85ba-41b8-a65c-b26865499da0","section_id":"sec_b17dfd6b-1a29-4a2b-8ec8-f268e5be46f8","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"```\nBackend DRAMメモリダイ\n・BEOL型1T1Cセル\n・データブロック\n        │\nBackend DRAMメモリダイ\n・BEOL型1T1Cセル\n・データブロック\n        │\nBackend DRAM","quote_start":0,"quote_end":116,"text_sha256":"4081b4e37949debb86471ac935392c8fbfeae06e141c229a1c3fd5ddcbcbe0cd","block_sha256":"4081b4e37949debb86471ac935392c8fbfeae06e141c229a1c3fd5ddcbcbe0cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_d246fd49-85ba-41b8-a65c-b26865499da0"},{"id":"occ_e94e484f85c5896398892b8a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_de8ab0a8-7f3b-4939-954e-8dd40b52168d","section_id":"sec_3a764f9b-29cc-41d2-8462-45a6588046c7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM内部では、速度、密度、電力、面積の妥協点として、アレイ、サブアレイ、バンクが設計される。","quote_start":0,"quote_end":48,"text_sha256":"6793a93ae17b5dfa47597e2b18272de1913f9be6caeb4ffaa52c1a2ea083527d","block_sha256":"6793a93ae17b5dfa47597e2b18272de1913f9be6caeb4ffaa52c1a2ea083527d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_de8ab0a8-7f3b-4939-954e-8dd40b52168d"},{"id":"occ_b2447c1fb9ca7f994830b935","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_df409a23-fd7d-4365-a274-0201b8bac2bf","section_id":"sec_95df2425-e22b-4cdc-9318-7fb08566c1b8","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"Backend DRAMを理解するうえで、まず通常のDRAMダイがどのように作られているかを整理する必要がある。","quote_start":0,"quote_end":56,"text_sha256":"ff831e5ac31eeb8130287435a002be692986824890564b672d6254bccded63a1","block_sha256":"ff831e5ac31eeb8130287435a002be692986824890564b672d6254bccded63a1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_df409a23-fd7d-4365-a274-0201b8bac2bf"},{"id":"occ_f1c590f719851f41fb54c9f1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_e4593ff9-1b7d-4656-844e-cf442d401a87","section_id":"sec_9286a2ec-4b01-44d8-879e-4ccbdee17890","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMではキャパシターだけでなく、アクセス・トランジスタのオフ時リークを小さくする必要がある。","quote_start":0,"quote_end":48,"text_sha256":"7f1b9dd93c29d325e757fa1cd01ea115ab156c89482b7978d3ae4596341423b9","block_sha256":"7f1b9dd93c29d325e757fa1cd01ea115ab156c89482b7978d3ae4596341423b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_e4593ff9-1b7d-4656-844e-cf442d401a87"},{"id":"occ_28b4c45996187e2b9a09ddd5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_e6106213-6091-43ab-8602-857a8202197e","section_id":"sec_2725fb0e-f036-48a5-86b1-f226cec5961d","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAMセル層\n──────────\nDRAMセル層\n──────────\n周辺ロジック\n```","quote_start":0,"quote_end":52,"text_sha256":"250c75f193b011ede9d2a53053f53cc048cdf488738fb69c69fe419db630dda2","block_sha256":"250c75f193b011ede9d2a53053f53cc048cdf488738fb69c69fe419db630dda2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_e6106213-6091-43ab-8602-857a8202197e"},{"id":"occ_a7077b52e87be65deedaf984","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_e9d2971c-3a99-4b52-ab49-cb96fb725a2e","section_id":"sec_ca181524-aff6-45bd-b0df-3b4cc46738f7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"## 第6段階　完成DRAMダイを積層するHBM","quote_start":0,"quote_end":24,"text_sha256":"385b20929487014b14a53520ac48d3945b8429b476562fdd7731c866bee21aed","block_sha256":"385b20929487014b14a53520ac48d3945b8429b476562fdd7731c866bee21aed","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_e9d2971c-3a99-4b52-ab49-cb96fb725a2e"},{"id":"occ_b4ac8c1b9a11f26300e027eb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_ea863730-866e-42c0-b4dd-c954ac787864","section_id":"sec_d854a75b-f298-44c9-9feb-e9f964385421","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"## ――ロジック、DRAM、NAND、そしてXBMが変えようとしているもの","quote_start":0,"quote_end":38,"text_sha256":"67cde18feb22a1e47cb0e46248b5b47777c26febec7b8c51f76cddd75dfdda42","block_sha256":"67cde18feb22a1e47cb0e46248b5b47777c26febec7b8c51f76cddd75dfdda42","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_ea863730-866e-42c0-b4dd-c954ac787864"},{"id":"occ_8efb405952d3fc92f3e3aebc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_eebda10c-2f39-45d6-9661-cd4656fcc29d","section_id":"sec_9cf05703-30d3-4470-8b5f-ec902e2eab61","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":23,"end":27,"exact":"DRAM","quote":"キャパシター内の電荷は時間とともに漏れるため、DRAMは定期的にリフレッシュしなければならない。","quote_start":0,"quote_end":48,"text_sha256":"5a3e74fc982b01a6290365282215dda4a8089f9f5d9769ef30886cfa7309343c","block_sha256":"5a3e74fc982b01a6290365282215dda4a8089f9f5d9769ef30886cfa7309343c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_eebda10c-2f39-45d6-9661-cd4656fcc29d"},{"id":"occ_df1ccf180df055b2a648db46","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_f555de8c-3e4e-4b8a-ae8f-57fd4915252a","section_id":"sec_f48c1291-53a7-4254-baf9-88b53af58c21","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMでは、各セルの小さなキャパシター電荷を高速に読み出さなければならない。","quote_start":0,"quote_end":39,"text_sha256":"51efa6ee5da85a08d0233cee95333ca1e48a226ba9e2611f120fd26284883c6c","block_sha256":"51efa6ee5da85a08d0233cee95333ca1e48a226ba9e2611f120fd26284883c6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_f555de8c-3e4e-4b8a-ae8f-57fd4915252a"},{"id":"occ_497584ea460f930bae95492b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_f5744279-e0c2-4b5c-920d-d5b01887428c","section_id":"sec_b079cc59-a6d2-4c5e-b098-2bfb5b5ddf9d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"## なぜNANDは数百層にでき、ロジックとDRAMは難しいのか","quote_start":0,"quote_end":32,"text_sha256":"e15733e4499afe16e4686405c7191225eb4abe212480923d134514b518a4251e","block_sha256":"e15733e4499afe16e4686405c7191225eb4abe212480923d134514b518a4251e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_f5744279-e0c2-4b5c-920d-d5b01887428c"},{"id":"occ_98bdf7d5c0a1f94968db64a3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_f737a862-69fa-4892-9c33-cabfca04d555","section_id":"sec_f3b97729-9645-4e18-9114-dad43a7130b0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"> 一個のDRAMセル内にあるキャパシターを、細く高く立体化する進化","quote_start":0,"quote_end":34,"text_sha256":"8b649c229216e1f42f0fbcf75f7ab129c5114c284857eddd2a46c5bc48d7545b","block_sha256":"8b649c229216e1f42f0fbcf75f7ab129c5114c284857eddd2a46c5bc48d7545b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_f737a862-69fa-4892-9c33-cabfca04d555"},{"id":"occ_7de7ba3411bdf51d1a13609c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_f81d0ed4-d798-467b-8144-c49087dc9fc1","section_id":"sec_db41a0df-aa1a-4ef6-b2db-7f044a1b728b","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"```\n通常のDRAM\n\nBEOL\n金属配線・ビア\n────────────────\nキャパシター\n────────────────\nMOL\nコンタクト\n────────────────\nFEOL\n単結晶シリコンの\nアクセ","quote_start":0,"quote_end":111,"text_sha256":"3d7ae5428e1d1786bcb558f587a929e11ea0f28233635ba7f27a25f3f58efe59","block_sha256":"3d7ae5428e1d1786bcb558f587a929e11ea0f28233635ba7f27a25f3f58efe59","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_f81d0ed4-d798-467b-8144-c49087dc9fc1"},{"id":"occ_000ffba710e9cc3726bd17d8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_f909a345-a4f8-478b-823f-0659e6a7b737","section_id":"sec_2725fb0e-f036-48a5-86b1-f226cec5961d","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":21,"exact":"3D DRAM","quote":"## 第7段階　モノリシック3D DRAM","quote_start":0,"quote_end":21,"text_sha256":"1d9375c8e6bc2b232773f288c9c73ffc35d3e101158e78032e8bd23124711d47","block_sha256":"1d9375c8e6bc2b232773f288c9c73ffc35d3e101158e78032e8bd23124711d47","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_f909a345-a4f8-478b-823f-0659e6a7b737"},{"id":"occ_649d70f231c1b7b372065b69","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_fa9d672d-2f5e-435d-ad3a-2c36a105a651","section_id":"sec_f3b97729-9645-4e18-9114-dad43a7130b0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"現在のDRAMでは、円筒状、柱状などの高アスペクト比キャパシターを多数配置する方式が中心となっている。","quote_start":0,"quote_end":51,"text_sha256":"cad831d8de011e95776ed726fc8ac0fe912b80047a51c57334e6f80233374bb8","block_sha256":"cad831d8de011e95776ed726fc8ac0fe912b80047a51c57334e6f80233374bb8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_fa9d672d-2f5e-435d-ad3a-2c36a105a651"},{"id":"occ_10a09b3ea6b26c9be6b133ce","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_fb2d667e-8705-46ef-a8f0-1344ca3453c2","section_id":"sec_b3812d18-7110-4630-9cfa-fe2b6689913e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"アクセス速度がDRAMより遅くても、ストレージとして成立する。","quote_start":0,"quote_end":31,"text_sha256":"d75aaba5d8db3f3030827d121319316d127e0b719cc24c5ca2f3bfc0397ef372","block_sha256":"d75aaba5d8db3f3030827d121319316d127e0b719cc24c5ca2f3bfc0397ef372","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_fb2d667e-8705-46ef-a8f0-1344ca3453c2"},{"id":"occ_528f68f28e680767360d1b54","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_fda89867-4aac-4023-86c3-897eac732aaf","section_id":"sec_e600da57-c9ef-42a0-970d-7e779dfece63","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"そのためBackend DRAMでは、","quote_start":0,"quote_end":19,"text_sha256":"7339ce6e27c76a48eb5b681631c6a6f1b831a87adcd78d8760adc824454a9fa3","block_sha256":"7339ce6e27c76a48eb5b681631c6a6f1b831a87adcd78d8760adc824454a9fa3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_fda89867-4aac-4023-86c3-897eac732aaf"},{"id":"occ_5a31ee3136aaf07df2e7a7e4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c720ff79-9532-414c-ab0c-c6caec3e9331","work_id":"wrk_8d913e5f-cd3d-4488-9ff4-07fe3dd89c98","block_id":"blk_fea9783c-1c77-45e3-8608-72658117352e","section_id":"sec_b17dfd6b-1a29-4a2b-8ec8-f268e5be46f8","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"特許例では、各メモリダイにBEOL形成の1T1C DRAMを置き、それを複数のデータブロックへ分割して積層する。さらに、I/O、変換、検査、デバッグ、冗長修復をベースダイへ集約する構造が示されている。","quote_start":0,"quote_end":100,"text_sha256":"4bc033ef12b40bf5b5512e8d7bd9ed665a7e58dc8d8d6b68b70a105666cdc5a7","block_sha256":"4bc033ef12b40bf5b5512e8d7bd9ed665a7e58dc8d8d6b68b70a105666cdc5a7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c720ff79-9532-414c-ab0c-c6caec3e9331/#blk_fea9783c-1c77-45e3-8608-72658117352e"},{"id":"occ_8454ac70f2eddb6cdc826a38","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_04af93fe-a9ea-44b0-a92f-a5fd49dd2aee","section_id":"sec_b53d653f-ebcc-4056-88dd-3c6349201254","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":107,"end":111,"exact":"DRAM","quote":"uling\n ↓\nRefresh\n ↓\nECC / RAS\n ↓\nPower State\n ↓\nPHY\n ↓\nDRAM\n```","quote_start":52,"quote_end":115,"text_sha256":"2fd265077d732f79e459c7d45da94a6312985d9614be688f2e4eb2352aa2ff67","block_sha256":"2fd265077d732f79e459c7d45da94a6312985d9614be688f2e4eb2352aa2ff67","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_04af93fe-a9ea-44b0-a92f-a5fd49dd2aee"},{"id":"occ_e04af29cb4564ddee2016abb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_07f83180-5cd1-473f-9161-03cc5c0679aa","section_id":"sec_48d6520d-9868-4231-b844-8098025df31e","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":36,"end":40,"exact":"DRAM","quote":"```\nAI Memory Silicon\n   │\n   ├─ 大量のDRAM wafer\n   │\n   ├─ Advanced Logic Base Die\n   │\n   └─ Embedded SRAM on XPU\n```","quote_start":0,"quote_end":117,"text_sha256":"8d10c1f93229704c1a69ceb10d7c92c71ade97682920e3d53d875671949ef2f0","block_sha256":"8d10c1f93229704c1a69ceb10d7c92c71ade97682920e3d53d875671949ef2f0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_07f83180-5cd1-473f-9161-03cc5c0679aa"},{"id":"occ_8efb29a3b4220e0c2df1549d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_1d395e76-53e9-4df6-ae40-a34176d3bd2d","section_id":"sec_133952ee-a43a-450c-9c5c-c7cd3c85fcb2","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"```\nAI需要↑\n ↓\nGPU需要↑\n ↓\nHBM需要↑\n ↓\nDRAM / HBM供給逼迫\n ↓\nHBM価格↑\n ↓\nNVIDIA BOM↑\n ↓\nNVIDIA Gross Margin↓\n```","quote_start":0,"quote_end":100,"text_sha256":"5df60379e90d4ec44246bb7c4888d69482ead1e6c5b39a4933f893ca4560e707","block_sha256":"5df60379e90d4ec44246bb7c4888d69482ead1e6c5b39a4933f893ca4560e707","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_1d395e76-53e9-4df6-ae40-a34176d3bd2d"},{"id":"occ_729c289a7c62e85f6c641e4c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_277a0b80-1bf3-4581-ae5d-ac3fb77eb30f","section_id":"sec_5226ab03-af4a-4066-94c1-664b83151037","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"```\nAI需要↑\n ↓\nHBM / DRAM不足\n ↓\n┌─────────────┬─────────────┐\n↓                           ↓\nSRAM増大                  NVHBM\n↓   ","quote_start":0,"quote_end":123,"text_sha256":"1eff8297f782aa18a12a65203733a76469ce0fb8c6f1e69685361d82001584df","block_sha256":"1eff8297f782aa18a12a65203733a76469ce0fb8c6f1e69685361d82001584df","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_277a0b80-1bf3-4581-ae5d-ac3fb77eb30f"},{"id":"occ_6c1a65efb05d5f6ce6cd91de","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_484c6ed6-e963-4f92-adb7-909956529138","section_id":"sec_37f507ca-21da-4a9d-9fe8-4be5e5185d98","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":564,"end":568,"exact":"DRAM","quote":"═══\n              │\n        ┌─────▼────────┐\n        │ DRAM Die     │\n        │ DRAM Die     │\n        │ DRAM Die     │\n        │ ...          │\n        ├─────","quote_start":509,"quote_end":668,"text_sha256":"dff329829431b6bfab2e99b4543e26a7ea4e3e6c60425a10f11d95c7310ee8c5","block_sha256":"dff329829431b6bfab2e99b4543e26a7ea4e3e6c60425a10f11d95c7310ee8c5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_484c6ed6-e963-4f92-adb7-909956529138"},{"id":"occ_16a00cba1ab82bcac7df93e6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_67d3ec3e-6342-4c2e-be8f-37b5738c9739","section_id":"sec_48d6520d-9868-4231-b844-8098025df31e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"量ではDRAMが圧倒的。","quote_start":0,"quote_end":12,"text_sha256":"b02954b91c70c7c99119b742b183f448e4150d9e552dd7677875b267d0992268","block_sha256":"b02954b91c70c7c99119b742b183f448e4150d9e552dd7677875b267d0992268","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_67d3ec3e-6342-4c2e-be8f-37b5738c9739"},{"id":"occ_bd4c75e60f992b3a90f5cb7a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_690301da-e87b-4df3-a7fe-87ae29c1d7ec","section_id":"sec_48d6520d-9868-4231-b844-8098025df31e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"年間960M DRAM die。","quote_start":0,"quote_end":16,"text_sha256":"d165c02648b23c98c533b7396542bc083036f5b4332cba81a0131688befa73e1","block_sha256":"d165c02648b23c98c533b7396542bc083036f5b4332cba81a0131688befa73e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_690301da-e87b-4df3-a7fe-87ae29c1d7ec"},{"id":"occ_6158e01525bb73bdd2f31e5e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_7278887a-9e26-40e4-809c-d3022b7353ce","section_id":"sec_48d6520d-9868-4231-b844-8098025df31e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM DRAM die数は1 XPU当たり、","quote_start":0,"quote_end":23,"text_sha256":"0ea6514f2adff0d3f507a840d97fd4d6260459910d29103432b35939bdbae333","block_sha256":"0ea6514f2adff0d3f507a840d97fd4d6260459910d29103432b35939bdbae333","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_7278887a-9e26-40e4-809c-d3022b7353ce"},{"id":"occ_87e5364b643c4477fe044660","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_76f1d731-becf-4725-8e62-9b8006d4cf40","section_id":"sec_5226ab03-af4a-4066-94c1-664b83151037","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## 以前の「DRAM不足→SRAM増大」の議論はどう変わるのか","quote_start":0,"quote_end":32,"text_sha256":"1c47ead955c99725d7fe3605d669b827993c64dd9c6e597351d986e1ec215787","block_sha256":"1c47ead955c99725d7fe3605d669b827993c64dd9c6e597351d986e1ec215787","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_76f1d731-becf-4725-8e62-9b8006d4cf40"},{"id":"occ_8809028e4336c1bafe9c04a4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_a81e66bb-28e7-444c-8623-b7a36c9df317","section_id":"sec_f01c9907-9603-4aa4-a698-cf2f25d5e8f2","layer":"code","character_id":null,"count":3,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":536,"end":540,"exact":"DRAM","quote":"            │\n        ┌─────▼──────────────┐\n        │ DRAM Die           │\n        │ DRAM Die           │\n        │ DRAM Die           │\n        │ ...        ","quote_start":481,"quote_end":640,"text_sha256":"5c45bc4a268e5fddb7e6d0ac8717d26d25389c05b2e0cf1487a5de975025db44","block_sha256":"5c45bc4a268e5fddb7e6d0ac8717d26d25389c05b2e0cf1487a5de975025db44","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_a81e66bb-28e7-444c-8623-b7a36c9df317"},{"id":"occ_c13d255487ba4fdd243ee8ad","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c74e591e-d929-42b5-8c6c-04563fae77c3","work_id":"wrk_fee40c18-6b9b-4c23-9b8c-9b73d44984f3","block_id":"blk_bd56eef6-4a00-4b1e-adb1-97f7695ccebd","section_id":"sec_48d6520d-9868-4231-b844-8098025df31e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"## 調査12．DRAM＋Base Die＋SRAMを統合したAI Memory Wafer 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70mm²  \nDRAM yield 90%  \nBase Die 120mm²  \nBase Die yield 80%","quote_start":0,"quote_end":116,"text_sha256":"ef6908c1c8c505f5d46316b228be2a5a04bad1a03b2f179afba171233b3422a0","block_sha256":"ef6908c1c8c505f5d46316b228be2a5a04bad1a03b2f179afba171233b3422a0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c74e591e-d929-42b5-8c6c-04563fae77c3/#blk_f51114c3-db0c-466d-875f-c8f72fbcc2a5"},{"id":"occ_80647696700dd6cb0313ee99","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c89081f7-eb04-4049-a4a4-68cbe681a3f5","work_id":"wrk_08ecb116-f4c7-4c99-9574-e485a5adb41f","block_id":"blk_0595c6c6-5cf9-4f72-aef4-b06c56ff2849","section_id":"sec_acea0eb4-dbbf-4f8b-acd5-a90d001cb748","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMにはwarm KV、最近使ったExpert、shared 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↓\nHBM / DRAM / SSD / Remote 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laser、switch ASIC、NIC、CPU、GPU/XPU、compiler、memory runtimeは別々の市場で","quote_start":0,"quote_end":115,"text_sha256":"af922177448e8b0f586c408a6aa05749d2cbd70f28053d481044b505751794d6","block_sha256":"af922177448e8b0f586c408a6aa05749d2cbd70f28053d481044b505751794d6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c89081f7-eb04-4049-a4a4-68cbe681a3f5/#blk_238c41b4-612e-4fac-9ea9-51bc52356a42"},{"id":"occ_ed25fe80348a3e7bdcb3733c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_c89081f7-eb04-4049-a4a4-68cbe681a3f5","work_id":"wrk_08ecb116-f4c7-4c99-9574-e485a5adb41f","block_id":"blk_472705d0-905d-4db5-bf63-db4f7e6cbbb2","section_id":"sec_acea0eb4-dbbf-4f8b-acd5-a90d001cb748","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":49,"end":53,"exact":"DRAM","quote":"Register / SRAM\n      ↓\nLocal HBM\n      ↓\nPooled DRAM\n      ↓\nHBF / Large Memory\n      ↓\nNVMe SSD\n      ↓\nObject 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--- |\n| Total Parameters | モデル全体のweight量 | モデル容量、HBM/DRAM/Storage |\n| Active Parameters | 1 tokenで実際に動くweight | 演算量、推論コスト |\n| Total / Active | 疎性の度合い | 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↓\n予測Prefetch\n ↓\nDRAM\n ↓\nさらに必要になりそう\n ↓\nHBM","quote_start":0,"quote_end":51,"text_sha256":"ee255e4cac5fdd9909f91268c038ada3ae7e9a2eb95fd5f6b823063ee66f079c","block_sha256":"ee255e4cac5fdd9909f91268c038ada3ae7e9a2eb95fd5f6b823063ee66f079c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_c89081f7-eb04-4049-a4a4-68cbe681a3f5/#blk_fea32c00-b46b-4393-9a75-8260cf3b0c3d"},{"id":"occ_3305ba2834c28d1b61101381","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_cd09d63d-aa63-4e93-bc42-e8db09f09c30","work_id":"wrk_c758193e-1b38-456f-813c-ec485338d79a","block_id":"blk_95029eb9-7921-4e42-afe2-8937b436cea3","section_id":"sec_34ce463e-2408-4d36-8916-e1ba80d0a7cb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":36,"end":40,"exact":"DRAM","quote":"- トランジスタ\n- 微細な銅配線\n- 低誘電率材料\n- SRAM\n- DRAM\n- センサー\n- 光デバイス","quote_start":0,"quote_end":55,"text_sha256":"7929c6925785fc7fd455a000ef57a8f57ce421e270dccc04b30b7a3f308a52f8","block_sha256":"7929c6925785fc7fd455a000ef57a8f57ce421e270dccc04b30b7a3f308a52f8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_cd09d63d-aa63-4e93-bc42-e8db09f09c30/#blk_95029eb9-7921-4e42-afe2-8937b436cea3"},{"id":"occ_04301dc8087c3725972b9fde","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04","work_id":"wrk_32710c09-9463-4267-9e64-b41e736195fc","block_id":"blk_35da47b6-964a-468a-90de-d9efeb76c654","section_id":"sec_0544bb92-34b8-40e5-95c4-321e66f30f16","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMが近隣倉庫。","quote_start":0,"quote_end":10,"text_sha256":"c7d8661281042dc84b326c17a188e06c59dbb8332cd06cbb2c0aa31ffd176dd1","block_sha256":"c7d8661281042dc84b326c17a188e06c59dbb8332cd06cbb2c0aa31ffd176dd1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04/#blk_35da47b6-964a-468a-90de-d9efeb76c654"},{"id":"occ_f830851f16214a4bf8c4d36a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04","work_id":"wrk_32710c09-9463-4267-9e64-b41e736195fc","block_id":"blk_48ceae68-4f43-4529-b1d8-756e054e535f","section_id":"sec_04848aa6-e2bc-4eaa-b204-de4769dc54c5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"arbitrary 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DRAMを数十TB用意できても、GPUのすぐ横から供給されるHBMと同じlatencyとbandwidthでrandom 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Pooled DRAM\n    ↓\nLarge Context / KV Tier\n    ↓\nNVMe SSD\n    ↓\nObject 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↓\nSSD","quote_start":0,"quote_end":41,"text_sha256":"b95a33f3bc26a6236e987f1a72f587682448dde16d52388de104891ab9ff9e2d","block_sha256":"b95a33f3bc26a6236e987f1a72f587682448dde16d52388de104891ab9ff9e2d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04/#blk_cd768dd2-daea-4388-9049-4ca0c324b698"},{"id":"occ_56e536b7123700bda8b9ba81","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04","work_id":"wrk_32710c09-9463-4267-9e64-b41e736195fc","block_id":"blk_e357ece7-f41d-40fa-b0d9-5e35fd3c1201","section_id":"sec_92a226ef-f9cc-443f-aca1-9db4db927859","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":1148,"end":1152,"exact":"DRAM","quote":"│                     │\n Other XPU HBM          Shared DRAM            CPU Pool\nResident Experts        Warm KV               Tools\n     │                 Pref","quote_start":1093,"quote_end":1252,"text_sha256":"f3bf015a26184885cd44431b1c2049c53b1c1f84d1fe7ceeaa843cd3189d4684","block_sha256":"f3bf015a26184885cd44431b1c2049c53b1c1f84d1fe7ceeaa843cd3189d4684","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04/#blk_e357ece7-f41d-40fa-b0d9-5e35fd3c1201"},{"id":"occ_11a6860fae9ceda427ddc16a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_cfe5b9e3-26a7-41f5-bf9e-934074846f04","work_id":"wrk_32710c09-9463-4267-9e64-b41e736195fc","block_id":"blk_e65ec8b6-1429-4f7f-b2fa-ba901f8dac0c","section_id":"sec_a11f23a6-701d-4f23-8ae0-e350dce36f79","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"さらにその外側へDRAM、KV cache、SSD、object 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hynix、Samsung、Micron系供給網が、HBM、DRAM、NANDを支える。","quote_start":0,"quote_end":47,"text_sha256":"f2dd6836e70a5f83ee46ed066b92da4942855c61529cbc11bb9ec0f6da0dde0d","block_sha256":"f2dd6836e70a5f83ee46ed066b92da4942855c61529cbc11bb9ec0f6da0dde0d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_d4189e74-ba90-4c4f-8495-9a2fccea5a2a/#blk_15ac9413-bf94-4809-8f22-d9d30c62fe1e"},{"id":"occ_9c69d69a08ade19f8b57131a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_d4189e74-ba90-4c4f-8495-9a2fccea5a2a","work_id":"wrk_ba0d2481-72cf-412b-92be-570c7d9c07e4","block_id":"blk_45e3fb0d-59c5-4171-92c0-eed02570ca2b","section_id":"sec_a887b62a-1875-4112-b1f1-9ab81d817136","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":16,"end":21,"exact":"LPDDR","quote":"- HBM\n- CPU用DDR・LPDDR\n- KVキャッシュ用DRAM\n- eSSD\n- NAND\n- ネットワークバッファ","quote_start":0,"quote_end":63,"text_sha256":"a758c539df0e81c70289cf1b4dd02e3bfa8db91f478f4eaaac2b71696008b375","block_sha256":"a758c539df0e81c70289cf1b4dd02e3bfa8db91f478f4eaaac2b71696008b375","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_d4189e74-ba90-4c4f-8495-9a2fccea5a2a/#blk_45e3fb0d-59c5-4171-92c0-eed02570ca2b"},{"id":"occ_4b110153067eb154984b32b5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_d4189e74-ba90-4c4f-8495-9a2fccea5a2a","work_id":"wrk_ba0d2481-72cf-412b-92be-570c7d9c07e4","block_id":"blk_7bf0962b-d25a-4895-8fe3-286891b32fb0","section_id":"sec_a12a0674-9dc8-4406-90cc-39dc8a0dfe51","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":22,"end":26,"exact":"DRAM","quote":"- 十分なAscend供給\n- 国産HBM・DRAM\n- 安定した先端パッケージ\n- CANNとvLLM-Ascendの成熟\n- 低価格な電力・冷却設備\n- 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日本の材料・装置\n- 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Technologyの第三者割当を約774億円で引き受け、長期DRAM供給契約を結んでいる。これは、AI需要で急拡大するSSD事業において、主要部品であるDRAMを中長期で安定確保するためである。([Eir 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DRAM。","quote_start":0,"quote_end":24,"text_sha256":"12c98ae7534021727961da6311ea76d4d378608379a6d008796ba2a511ad92e6","block_sha256":"12c98ae7534021727961da6311ea76d4d378608379a6d008796ba2a511ad92e6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646/#blk_fa304f56-b1d7-4438-a228-df7133d9decb"},{"id":"occ_1d5c8951fe926f635260799d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646","work_id":"wrk_4c390ee8-19a9-47a2-baff-32ac4e8e79ad","block_id":"blk_fc6f2a4e-f0b8-46a3-b067-71611eeaadf8","section_id":"sec_72ce09b4-f789-4dd1-83b5-8cc04c27b42a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"1TB DRAM――1TBの作業Memory。","quote_start":0,"quote_end":23,"text_sha256":"f43701995d85205b46f9fe611d3e93419af0ce45ea61e7f7009b2bb95932f29b","block_sha256":"f43701995d85205b46f9fe611d3e93419af0ce45ea61e7f7009b2bb95932f29b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_df2ff134-3d7b-48d0-82b5-c341fa1dc646/#blk_fc6f2a4e-f0b8-46a3-b067-71611eeaadf8"},{"id":"occ_d4f5803bcc6229771ffabceb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_05747273-0e3c-4f6e-9050-5b8343811e8c","section_id":"sec_2152a33a-43a3-472e-a86d-55aac6bef18f","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"```\nSRAM / Cache\n     ↓\nHBM\n     ↓\nHost DRAM\n     ↓\nShared memory pool\n     ↓\nNVMe\n     ↓\nDistributed KV store\n```","quote_start":0,"quote_end":114,"text_sha256":"665f04d717bfe94b043ce7f2db8f5b28672d5e4c4478ba9f7a6de013bf7a6a6c","block_sha256":"665f04d717bfe94b043ce7f2db8f5b28672d5e4c4478ba9f7a6de013bf7a6a6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_05747273-0e3c-4f6e-9050-5b8343811e8c"},{"id":"occ_77abaaed8dab5b5bc7168a77","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_12a2c767-9103-4294-83db-e2d868708f4a","section_id":"sec_b6da0baa-ead0-447f-bd78-0eae55181538","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":56,"end":60,"exact":"DRAM","quote":"rendForceによれば、Rubin Ultraで12-Hiから8-Hiへ減らした場合、目的の一つは限られたDRAM waferからより多くのGPUを出荷することである。 ([TrendForce](https://www.trendforce.com/presscenter/news/20260804-13166","quote_start":1,"quote_end":160,"text_sha256":"75fd1be1c59b4871cf9daf3198caaf9881cde4fa10b86f0b8587436e1304f8d4","block_sha256":"75fd1be1c59b4871cf9daf3198caaf9881cde4fa10b86f0b8587436e1304f8d4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_12a2c767-9103-4294-83db-e2d868708f4a"},{"id":"occ_25eb10bc9160cee160aab986","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_30448a5a-baf6-4db4-bdd7-0011d9d1d4b8","section_id":"sec_17ac6c1d-bb54-4ed7-9db8-0385e87565c1","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":73,"end":77,"exact":"DDR5","quote":"ced Matrix Extensions）があり、CPU自身でもAIの行列処理を高速化できる。Xeon 6はDDR5-6400やMRDIMMをサポートし、メモリ帯域強化も重視している。 ([Intel](https://www.intel.com/content/www/us/en/products/docs/xe","quote_start":18,"quote_end":177,"text_sha256":"fcbd486a3e1ba934f0a17d131d51b16c448c83ff825816dab50f9444ccda3820","block_sha256":"fcbd486a3e1ba934f0a17d131d51b16c448c83ff825816dab50f9444ccda3820","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_30448a5a-baf6-4db4-bdd7-0011d9d1d4b8"},{"id":"occ_cedd685044531a188c66df49","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_3825f0d6-cc8d-4eeb-9f8f-d6c63bc8b529","section_id":"sec_3507b738-5337-4662-b205-109370db662f","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"```\nL1  GPU HBM\n      ↓\nL2  Host DRAM\n      ↓\nL3  Shared memory pool\n      ↓\nL4  SSD\n```","quote_start":0,"quote_end":88,"text_sha256":"3906576fc7b2e81d3bce01871c65e3ff83b5b7211e90eabea3f7f18f29adcf1b","block_sha256":"3906576fc7b2e81d3bce01871c65e3ff83b5b7211e90eabea3f7f18f29adcf1b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_3825f0d6-cc8d-4eeb-9f8f-d6c63bc8b529"},{"id":"occ_77bb9c2b7024f5eb2df99f80","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_40304877-3162-4b48-bd74-b19b6f9a9e35","section_id":"sec_c3d150b4-8e2d-411d-9b80-2c8c9ca33e68","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"これはraw DRAM fab bitではなく、完成製品に搭載される有効容量換算である。yield lossなどを含む実際の製造bit量はさらに多い。","quote_start":0,"quote_end":75,"text_sha256":"7a27b9331affe3e089b60c115c7be178831a15b5efbd76649becafc545e933dc","block_sha256":"7a27b9331affe3e089b60c115c7be178831a15b5efbd76649becafc545e933dc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_40304877-3162-4b48-bd74-b19b6f9a9e35"},{"id":"occ_0b87295a9fbfafbc85ccb4ad","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_775a9557-7813-4646-a4dc-cf21f2889403","section_id":"sec_7d386a01-b5fa-4ff6-bf06-d0d4f8c5572b","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":19,"end":23,"exact":"DRAM","quote":"```\nGPU HBM\n ↓\nCPU DRAM\n ↓\nNVMe\n```","quote_start":0,"quote_end":35,"text_sha256":"12e5d4ca3ab924d9607ac05daf20d732cc200a1c4502ba5e4626a557b04995f8","block_sha256":"12e5d4ca3ab924d9607ac05daf20d732cc200a1c4502ba5e4626a557b04995f8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_775a9557-7813-4646-a4dc-cf21f2889403"},{"id":"occ_fa47bd7e4b87fda600082410","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_7d63b2c0-2c7c-4ec5-829e-8f61a42ae254","section_id":"sec_0a9f188a-75ff-4ea7-9452-faa3ec17295f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"さらにHBMを作るためにはSamsung、SK hynix、Micron側の**DRAM front-end wafer**も必要である。","quote_start":0,"quote_end":69,"text_sha256":"e9fab69835d642869b389e325badee77449bd41a87a94066eccd2aff53edf4a9","block_sha256":"e9fab69835d642869b389e325badee77449bd41a87a94066eccd2aff53edf4a9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_7d63b2c0-2c7c-4ec5-829e-8f61a42ae254"},{"id":"occ_3c11535c4ca3d20a5b505e1d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_7e5cedbb-6b9f-4997-80ca-6f2ed962656a","section_id":"sec_67a05859-484e-4efc-b459-755bc6dbaac2","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"TrendForceによればHBM向けwafer投入は、主要DRAMメーカーの総DRAM wafer inputに対して、","quote_start":0,"quote_end":61,"text_sha256":"97d7e0eb6e60dd15e773ff987d2534b6fbf70f8e3ab6058791702fcb63556d2e","block_sha256":"97d7e0eb6e60dd15e773ff987d2534b6fbf70f8e3ab6058791702fcb63556d2e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_7e5cedbb-6b9f-4997-80ca-6f2ed962656a"},{"id":"occ_fbdb5d91a9e22a1535b8923d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_7eb8b2bc-052e-4004-b529-6c695e95d41b","section_id":"sec_a6dd0732-8c0d-486d-8ac3-fe8fc0cfb143","layer":"code","character_id":null,"count":2,"matched_aliases":["3D DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":221,"end":225,"exact":"DRAM","quote":"ing\nlogic / cache / I/O die\n  ↕\nHBM logic base die\n  ↕\nDRAM stack\n\n        ↓\n\n第5段階\nmemory-on-logic\nnear-memory compute\n3D DRAM\n```","quote_start":166,"quote_end":296,"text_sha256":"8cd72d44a03ec42ce91aa18cb80f1518b2c5201bd0c3bb15bc2b8a651333f114","block_sha256":"8cd72d44a03ec42ce91aa18cb80f1518b2c5201bd0c3bb15bc2b8a651333f114","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_7eb8b2bc-052e-4004-b529-6c695e95d41b"},{"id":"occ_8f37d696d07041e107a8df02","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_85319fce-f1ca-4c9b-a152-afd00cb7ffde","section_id":"sec_4b99b9b1-0592-453e-b2e0-e98fb16f12d5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM 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LPDDR5Xをラックに載せ、GPUとNVLink-C2Cで結合する。 ([NVIDIA](https://www.nvidia.com/en-us/data-center/vera-rubin-nvl72/?ut","quote_start":0,"quote_end":150,"text_sha256":"86904368b09ea66d5dc9e3f702af6a0256bdb4df315e6356358a9ac0dffef81c","block_sha256":"86904368b09ea66d5dc9e3f702af6a0256bdb4df315e6356358a9ac0dffef81c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_88f68014-1e91-43ec-8a65-670c6be2a0c0"},{"id":"occ_6ea1bff97e5fc7d410328c2a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_8b567edc-52de-4f53-b216-e63beb0c22ed","section_id":"sec_93c438a4-0787-4d8b-a1e3-11e24864b716","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":0,"end":5,"exact":"LPDDR","quote":"LPDDR系system memoryをCPU/GPUで共有している。","quote_start":0,"quote_end":35,"text_sha256":"6266d33da7bcbf7036129161c0dbcc87d0ec822d117f27ecbc1be2bd7b62f410","block_sha256":"6266d33da7bcbf7036129161c0dbcc87d0ec822d117f27ecbc1be2bd7b62f410","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_8b567edc-52de-4f53-b216-e63beb0c22ed"},{"id":"occ_65ff641e50c02b5475cdcdff","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_8cd22df9-03dc-47aa-b08a-0a9afdbdc99d","section_id":"sec_67a05859-484e-4efc-b459-755bc6dbaac2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"一方HBMが占めるDRAM bit supplyは、","quote_start":0,"quote_end":26,"text_sha256":"2e8e48a0b82fffed3853bd5902a62613fee9c816c78fe90d117b98c21b211ddc","block_sha256":"2e8e48a0b82fffed3853bd5902a62613fee9c816c78fe90d117b98c21b211ddc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_8cd22df9-03dc-47aa-b08a-0a9afdbdc99d"},{"id":"occ_3671c5751ae460d44a135964","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_91e4ff6d-ed60-4d5f-b2a1-c6c7041646f0","section_id":"sec_4b99b9b1-0592-453e-b2e0-e98fb16f12d5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"GPU一個当たりDRAM dieを**33％削減**できる。","quote_start":0,"quote_end":30,"text_sha256":"26c3edd8fdfba476e5a1ad8f954e3f173b2d1e8917b29b67ce7a3d2b328920e0","block_sha256":"26c3edd8fdfba476e5a1ad8f954e3f173b2d1e8917b29b67ce7a3d2b328920e0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_91e4ff6d-ed60-4d5f-b2a1-c6c7041646f0"},{"id":"occ_a5675c1c75f470c29701e86f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_9a72818d-b844-4df7-acc4-5a4d372df983","section_id":"sec_f07d2e34-88a3-46bb-a63b-6bccdaa69bb7","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":18,"end":25,"exact":"LPDDR5X","quote":"さらにVera側のSOCAMM容量もLPDDR5X供給制約から削減する方向だという。最終HBM仕様はまだ決まっていない。 ([TrendForce](https://www.trendforce.com/presscenter/news/202608","quote_start":0,"quote_end":125,"text_sha256":"68aaf6665df515fa658c46e36edd0bda96fcb91a51184aaa6428329f92ad69cd","block_sha256":"68aaf6665df515fa658c46e36edd0bda96fcb91a51184aaa6428329f92ad69cd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_9a72818d-b844-4df7-acc4-5a4d372df983"},{"id":"occ_5511904a4613b4214d9e7582","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_c0f5dcdb-69c0-4ffb-aaa4-a43a381ab6b0","section_id":"sec_46c52456-d7c9-4f0d-ae28-b76358f12643","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBM、CPU DRAM、CXL memory、NVMe、external KV cacheを階層化しながら、本当にhotなデータだけを最速memoryへ置く。","quote_start":0,"quote_end":80,"text_sha256":"ce87cee0c7332d87ed2312a257830bfeef01982ff7ea9e1652e988e87cf19651","block_sha256":"ce87cee0c7332d87ed2312a257830bfeef01982ff7ea9e1652e988e87cf19651","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_c0f5dcdb-69c0-4ffb-aaa4-a43a381ab6b0"},{"id":"occ_2469424a2f760e09c7ca72d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_d6225a54-5c3a-493c-983d-248a415fdc1a","section_id":"sec_f07d2e34-88a3-46bb-a63b-6bccdaa69bb7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"世界的にDRAM/HBMが不足しているなら、なぜAMDだけ432GBも積めるのか。","quote_start":0,"quote_end":41,"text_sha256":"75d0dae1afd9cdbfef68cefb4f9bca44158f83053a34726172ed89a05a5ae4c6","block_sha256":"75d0dae1afd9cdbfef68cefb4f9bca44158f83053a34726172ed89a05a5ae4c6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_d6225a54-5c3a-493c-983d-248a415fdc1a"},{"id":"occ_b72c61239f841a69e8cd6d36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_ddc631b2-ee25-47f2-b141-bc70021c41da","section_id":"sec_a6dd0732-8c0d-486d-8ac3-fe8fc0cfb143","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"ここでいう融合とは、いきなりDRAM cellの隣にGPU Tensor Coreを作るという意味だけではない。","quote_start":0,"quote_end":56,"text_sha256":"782fc418ad554a39f560e3630fdfe417ad00f91d22b40780edb3503fe8af6091","block_sha256":"782fc418ad554a39f560e3630fdfe417ad00f91d22b40780edb3503fe8af6091","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_ddc631b2-ee25-47f2-b141-bc70021c41da"},{"id":"occ_e7b992ed589d43794d1aab29","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_e0fc63de-437b-49d0-be6d-03379e6f33b2","section_id":"sec_694a934c-3b67-44af-8455-ca953dd7bf11","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"16-Hiではstack height、yield、thermal、DRAM die消費量がさらに重くなるからだ。","quote_start":0,"quote_end":57,"text_sha256":"5c1394a3edc535720a854973bacdcdf72f83676deeb1f8553000e4d5155a55d1","block_sha256":"5c1394a3edc535720a854973bacdcdf72f83676deeb1f8553000e4d5155a55d1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_e0fc63de-437b-49d0-be6d-03379e6f33b2"},{"id":"occ_e5cb9009b39d68ebc1f828fb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_e4a70275-96a7-4353-8c9f-9b622813c085","section_id":"sec_67a05859-484e-4efc-b459-755bc6dbaac2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"これは通常DRAMがHBMにcrowding-outされる理由でもある。","quote_start":0,"quote_end":36,"text_sha256":"6804a6bea7571f08065726c9517d3948256355e3738a534588f36b1ba6acd723","block_sha256":"6804a6bea7571f08065726c9517d3948256355e3738a534588f36b1ba6acd723","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_e4a70275-96a7-4353-8c9f-9b622813c085"},{"id":"occ_afaefe19f240534624e09028","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753","work_id":"wrk_88c25067-a100-4eee-96f7-180120d2ac61","block_id":"blk_e90c9124-80ab-4e03-8624-ef06afc3faa8","section_id":"sec_4b99b9b1-0592-453e-b2e0-e98fb16f12d5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"他の制約を無視すれば、同じDRAM die量から、","quote_start":0,"quote_end":25,"text_sha256":"dcebd2b64ed8b59a33b725f285b912b4faaaa06d27ce3c4ce4d726999b117bf3","block_sha256":"dcebd2b64ed8b59a33b725f285b912b4faaaa06d27ce3c4ce4d726999b117bf3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e1c0a212-5ad0-4fbc-81f6-60d2df49d753/#blk_e90c9124-80ab-4e03-8624-ef06afc3faa8"},{"id":"occ_fa2e6ef39aa8fcd3f4dea673","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_03530958-ac0e-49af-802a-65b9e96abda1","section_id":"sec_d00c7eaf-6cee-44b4-bdbd-f37c7064dbc0","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":33,"exact":"3D DRAM","quote":"## 24．Rebellionsが3D SRAMから3D DRAMへ方向転換した意味","quote_start":0,"quote_end":42,"text_sha256":"6fbc13629443fd44fb7a465514199a5be3bd863363d595433e73c8145b1228cb","block_sha256":"6fbc13629443fd44fb7a465514199a5be3bd863363d595433e73c8145b1228cb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_03530958-ac0e-49af-802a-65b9e96abda1"},{"id":"occ_8c063cb1b742dbd2770fad4b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_0bd14e0a-9a7f-4866-8667-34f7182be985","section_id":"sec_bb97365c-f760-4a63-90b9-a54145c00f9e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMをSoCなどのLogic semiconductorへ直接積み、","quote_start":0,"quote_end":36,"text_sha256":"46e28f13bef7af06276ce818ecbbbc154b9de1cdc502f4ed3ad236571732e8e1","block_sha256":"46e28f13bef7af06276ce818ecbbbc154b9de1cdc502f4ed3ad236571732e8e1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_0bd14e0a-9a7f-4866-8667-34f7182be985"},{"id":"occ_4331e961859cefaeaec825d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_0d906e41-6e34-4ef2-8248-2c2321d6c0fc","section_id":"sec_a8b268df-1fb2-4ba4-bd61-dcfaea40b0ed","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"さらにConventional DRAMに対して正規化した、","quote_start":0,"quote_end":30,"text_sha256":"ff755e1fe96d82dd1d029b746bd9319e5061d595ff8bb4de04d91704ebcf055e","block_sha256":"ff755e1fe96d82dd1d029b746bd9319e5061d595ff8bb4de04d91704ebcf055e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_0d906e41-6e34-4ef2-8248-2c2321d6c0fc"},{"id":"occ_6c78c80ee80616c4f90f688f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_0fdbb25c-284b-40e2-882d-9c5d2e1c1641","section_id":"sec_649b7382-e7e2-4a17-91ce-78b6f0f43962","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Die Yield","quote_start":0,"quote_end":14,"text_sha256":"9397061d41658a448b5d3d36f4256649a2c3475d6376067d6bba4d8eda76a506","block_sha256":"9397061d41658a448b5d3d36f4256649a2c3475d6376067d6bba4d8eda76a506","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_0fdbb25c-284b-40e2-882d-9c5d2e1c1641"},{"id":"occ_1611e179dc705254bbc96d02","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_102753e9-a753-45be-864c-e2894eff1d09","section_id":"sec_809922a0-bc9f-4d55-87b0-ef8ea5c52029","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"同時にHBMは「DRAM stack」から、","quote_start":0,"quote_end":22,"text_sha256":"27d9cb53d74b43fbf7ff0793ea824fa4acfbc031f9e533e322fd0191406251a4","block_sha256":"27d9cb53d74b43fbf7ff0793ea824fa4acfbc031f9e533e322fd0191406251a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_102753e9-a753-45be-864c-e2894eff1d09"},{"id":"occ_ebf5416f1e52af1932eb281f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_133ed575-e22f-405a-98c5-c35bb7dae971","section_id":"sec_f5aef412-1770-47a2-8043-e63e309c0de9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 25．DRAM-on-Logic――MemoryとComputeの境界そのものを消す","quote_start":0,"quote_end":45,"text_sha256":"01ec54763d253e441d4e35b64c180caa2b6acc9528f65e92ea064cf7932ee854","block_sha256":"01ec54763d253e441d4e35b64c180caa2b6acc9528f65e92ea064cf7932ee854","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_133ed575-e22f-405a-98c5-c35bb7dae971"},{"id":"occ_5ce6e499f4327df1a4eea188","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_1532f1d2-7782-4a39-b163-0278181eaaff","section_id":"sec_5a8a3f07-7978-452d-81b2-f266deb7f1cc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM Wafer Input 約30%","quote_start":0,"quote_end":24,"text_sha256":"ac609e33e7d1ab699c71b723966aeaadbb46a4db525b5a21d1b5ef16b5c09944","block_sha256":"ac609e33e7d1ab699c71b723966aeaadbb46a4db525b5a21d1b5ef16b5c09944","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_1532f1d2-7782-4a39-b163-0278181eaaff"},{"id":"occ_4fbc2c7af819ffbb297fd147","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_16ccbf81-d06e-4ef3-847e-b7086805bdb7","section_id":"sec_e7914d66-08c9-411a-89d5-7acc2cc604cf","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR5X"],"evidence":{"text_basis":"markdown","start":20,"end":27,"exact":"LPDDR5X","quote":"Samsungは現在のroadmapにもLPDDR5X-PIMを載せており、","quote_start":0,"quote_end":38,"text_sha256":"83f4db5408a51040da76b538c04647e5a3c1047c44686195c609d0961793aef7","block_sha256":"83f4db5408a51040da76b538c04647e5a3c1047c44686195c609d0961793aef7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_16ccbf81-d06e-4ef3-847e-b7086805bdb7"},{"id":"occ_2b0dec928870ad1da8670fd1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_1aa67b21-d93c-482c-88c0-1d306e2abab9","section_id":"sec_0b7fd807-74b3-46f5-ba4d-8053a6f8b111","layer":"code","character_id":null,"count":4,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"```\nDRAM Core Die\nDRAM Core Die\nDRAM Core Die\n...\nDRAM Core Die\n──────────────\nLogic Base Die\n──────────────","quote_start":0,"quote_end":108,"text_sha256":"cf481449aa0cc2e6c422bfec741c03aaf5d16bec49bbc9045e8a42bc22a2d6b9","block_sha256":"cf481449aa0cc2e6c422bfec741c03aaf5d16bec49bbc9045e8a42bc22a2d6b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_1aa67b21-d93c-482c-88c0-1d306e2abab9"},{"id":"occ_52cde6a08125edc61358bb4e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_1cffb67c-d490-4fdd-b4bf-3fa1a82100b7","section_id":"sec_222d668a-3153-4553-98dd-65a58c817a47","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"HBMは通常DRAMよりWaferを激しく食う。","quote_start":0,"quote_end":24,"text_sha256":"de15ca838be3807f4322dcfb1f4ddb69fe14b3ea81134d319692e4826c1c4b23","block_sha256":"de15ca838be3807f4322dcfb1f4ddb69fe14b3ea81134d319692e4826c1c4b23","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_1cffb67c-d490-4fdd-b4bf-3fa1a82100b7"},{"id":"occ_d932538f56f514685aa9b447","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_1f3ac2bb-7bd7-4ff2-adb4-4dd90e7a1015","section_id":"sec_edef15a3-26b7-42f1-a653-6dd44a72acf0","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"## 37．SRAM不足はDRAM不足と全く違う","quote_start":0,"quote_end":24,"text_sha256":"bd29904d07cbc03ea3009558ec55a3150c838b972a6ec132186cc0a91fffa030","block_sha256":"bd29904d07cbc03ea3009558ec55a3150c838b972a6ec132186cc0a91fffa030","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_1f3ac2bb-7bd7-4ff2-adb4-4dd90e7a1015"},{"id":"occ_90df923ffb3b4b1c0570455a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_21344dda-0fab-4bc6-989d-83212191999a","section_id":"sec_1266f59b-1b57-49b8-84f5-0486de492db7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM waferを作る。","quote_start":0,"quote_end":14,"text_sha256":"bd3496471310ca6d622cd6568f5299b663f0485728608b43c015eeb211cb1ae2","block_sha256":"bd3496471310ca6d622cd6568f5299b663f0485728608b43c015eeb211cb1ae2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_21344dda-0fab-4bc6-989d-83212191999a"},{"id":"occ_812bea838d2ee3f2638621f2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_292c8aa2-b189-4213-bb1c-3cd8450ef8e9","section_id":"sec_f001fae5-67b2-41da-84d5-56c5eb0131e3","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Core Die。","quote_start":0,"quote_end":14,"text_sha256":"be26000b202413f28a6753c70f569666276ee6fe9114bc4ea177ab3f07ec84a7","block_sha256":"be26000b202413f28a6753c70f569666276ee6fe9114bc4ea177ab3f07ec84a7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_292c8aa2-b189-4213-bb1c-3cd8450ef8e9"},{"id":"occ_dbfee3e6837ed4aa7c5ffbcb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_2c2ab7f6-c582-4a4c-b785-3e6d7ae6c666","section_id":"sec_f57245d3-ec44-4e2e-a91b-a76707f461aa","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":38,"end":45,"exact":"3D DRAM","quote":"```\nSRAM\n超低Latency\n数百MB～数GB\n        ↓\n3D DRAM\n数十～数百GB\n        ↓\nHBM / DDR\n        ↓\nHBF / Flash\n```","quote_start":0,"quote_end":99,"text_sha256":"65dbc2890d5d766a804078e098bc1133fc18d62b3be0538c6720688f1007070c","block_sha256":"65dbc2890d5d766a804078e098bc1133fc18d62b3be0538c6720688f1007070c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_2c2ab7f6-c582-4a4c-b785-3e6d7ae6c666"},{"id":"occ_522e8bff08890c5be4e09577","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_2fb1da71-7ed9-42da-a62e-0472e14ea6c9","section_id":"sec_649b7382-e7e2-4a17-91ce-78b6f0f43962","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"## 23．3D DRAMの最大問題もYield","quote_start":0,"quote_end":24,"text_sha256":"0b7791b70f85f2bbced4bbe9b6d64b068716531edc533bd4e43be9e60bf9d3d5","block_sha256":"0b7791b70f85f2bbced4bbe9b6d64b068716531edc533bd4e43be9e60bf9d3d5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_2fb1da71-7ed9-42da-a62e-0472e14ea6c9"},{"id":"occ_71014f59ee9ecae2939737fd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_39723578-7f1c-43b6-b061-6c54540cae0a","section_id":"sec_5ff700da-51df-48c3-8042-52c08a04c16c","layer":"body","character_id":null,"count":3,"matched_aliases":["DRAM","LPDDR"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"GPUが足りないからGPUを増やす。するとHBMが足りなくなる。HBMを増やすとDRAM waferを大量に消費し、Server DRAMやLPDDRまで締まる。HBMを節約するためSRAMを増やせば、今度はLogic Dieが大きくなり、N3/N2のGross Dies Per Waf","quote_start":0,"quote_end":144,"text_sha256":"97859327a71777a0196cd47dd3a16291f643fc751ee505856674a6682d5ec814","block_sha256":"97859327a71777a0196cd47dd3a16291f643fc751ee505856674a6682d5ec814","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_39723578-7f1c-43b6-b061-6c54540cae0a"},{"id":"occ_50d5b23d79f34678c60c8793","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_3e0b7734-6cfc-4793-bab7-d8956d60c068","section_id":"sec_94020762-874c-4215-b1a9-c20552ca8736","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":52,"end":56,"exact":"DRAM","quote":"仮にMemory hierarchy最適化で12Hi stackの25%を8Hiへ落とせ、約0.61M DRAM wafer相当を節約できるなら、","quote_start":0,"quote_end":73,"text_sha256":"d654bc6c4fb8efadb93093f6bfbdf081aa0c8cb8260b045cb29223a302bb7be4","block_sha256":"d654bc6c4fb8efadb93093f6bfbdf081aa0c8cb8260b045cb29223a302bb7be4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_3e0b7734-6cfc-4793-bab7-d8956d60c068"},{"id":"occ_6ef9f3e33f7006c3f40ad46e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_3eb95eb7-84d2-4a5c-8dfc-82854789da4a","section_id":"sec_b7cf2541-78a4-45fa-bd95-a068cdae1355","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM/DRAMに置く必要のあるworking setを小さくできる。","quote_start":0,"quote_end":35,"text_sha256":"cbdcc6a3dc54e56c1c05122c62ade6fafdd9e8788ac46ea4efdcfcf444faa0ab","block_sha256":"cbdcc6a3dc54e56c1c05122c62ade6fafdd9e8788ac46ea4efdcfcf444faa0ab","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_3eb95eb7-84d2-4a5c-8dfc-82854789da4a"},{"id":"occ_2ffbda941071ccb6dc49f9ae","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_3efcbd5e-87e1-4572-8b81-cff5dbe10357","section_id":"sec_649b7382-e7e2-4a17-91ce-78b6f0f43962","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAMでは、","quote_start":0,"quote_end":10,"text_sha256":"528016ea335820e42e05566a858f7226a94647e98194d796dfed2fe614cac1dd","block_sha256":"528016ea335820e42e05566a858f7226a94647e98194d796dfed2fe614cac1dd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_3efcbd5e-87e1-4572-8b81-cff5dbe10357"},{"id":"occ_4c73d85ecb96af31f96a49cc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_410bbbe7-4cfb-439f-9bdf-74429cde6d81","section_id":"sec_1ef9f4a1-eabe-4e5a-98d2-9e5ba45f4f9e","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAM。","quote_start":0,"quote_end":8,"text_sha256":"dca4ad23fd02495cae7a264a21f29a43c44d6066fbc2798c75bb0f948f24a621","block_sha256":"dca4ad23fd02495cae7a264a21f29a43c44d6066fbc2798c75bb0f948f24a621","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_410bbbe7-4cfb-439f-9bdf-74429cde6d81"},{"id":"occ_2cbcf1d8699e482c4a58426f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_438634c0-3886-4bf6-8a3b-936367defe1c","section_id":"sec_4d210f6f-1a1e-4f8b-8552-c4c425f472d2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"### Core DRAM WSPM","quote_start":0,"quote_end":18,"text_sha256":"d89339c461068473895a79b2afeaaa2740f900bed952c2113cea3f3945c21ca0","block_sha256":"d89339c461068473895a79b2afeaaa2740f900bed952c2113cea3f3945c21ca0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_438634c0-3886-4bf6-8a3b-936367defe1c"},{"id":"occ_355fc45a2e2c1a2b9e027827","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_47896561-77cb-4380-97d5-11940b2685c3","section_id":"sec_a6e70619-eea7-430e-ac43-514414b90964","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"そこでDRAMをfar-off-chipへ置くのではなく、","quote_start":0,"quote_end":29,"text_sha256":"34f67956faefd9f003acb07893863396bc13489437f65d1aa932229918058f16","block_sha256":"34f67956faefd9f003acb07893863396bc13489437f65d1aa932229918058f16","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_47896561-77cb-4380-97d5-11940b2685c3"},{"id":"occ_b03b22a98ae889bd47bdb288","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_4c209531-19b4-414e-8254-5f9a6aa590e4","section_id":"sec_6bdea2c2-4698-429f-8a6f-5e62fc795b03","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":10,"exact":"3D DRAM","quote":"## 3D DRAM/HBMはCapacity Tier。","quote_start":0,"quote_end":29,"text_sha256":"6bfaff4c78a4296568bcb772344785a75ecf200401b1fa3155488ad9e17c96ff","block_sha256":"6bfaff4c78a4296568bcb772344785a75ecf200401b1fa3155488ad9e17c96ff","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_4c209531-19b4-414e-8254-5f9a6aa590e4"},{"id":"occ_63a7aa167195034dc9ee0b6d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_502ab7b8-2f39-4c8c-ad92-768ebbf64db3","section_id":"sec_9bf0a956-75b1-4adb-a6b0-e8396dffa4f9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Fabが追うのは、","quote_start":0,"quote_end":14,"text_sha256":"f337a3f73a6dd5b5a5ee2905ce154c42c130dcb773d8c84f7e4f176af1d3eb42","block_sha256":"f337a3f73a6dd5b5a5ee2905ce154c42c130dcb773d8c84f7e4f176af1d3eb42","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_502ab7b8-2f39-4c8c-ad92-768ebbf64db3"},{"id":"occ_a145c450f0fe3f12a9e5db99","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_50ea6499-4afa-4ac7-8f33-d1cf11b05779","section_id":"sec_060613c9-4d12-4af0-84be-9b640694701f","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DDR5","quote":"最大18TB DDR5 pool。","quote_start":0,"quote_end":17,"text_sha256":"3334fce4e53cf51fb7f71561267bdade4b0d8bb7604c67645b8011d913305877","block_sha256":"3334fce4e53cf51fb7f71561267bdade4b0d8bb7604c67645b8011d913305877","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_50ea6499-4afa-4ac7-8f33-d1cf11b05779"},{"id":"occ_d319f8f16cbc8b80507aea09","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_5134a0cc-708f-4e61-b598-a7444fa22382","section_id":"sec_030a37b2-5fc2-4790-8361-23216341cd3f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":63,"end":67,"exact":"DRAM","quote":"ns CEOは、当初検討していた3D SRAMから、SK hynixとSamsungとの3D-stacked DRAM方向へ切り替えたと説明している。Custom HBMのLogic Base Dieへfast token decoding logicを入れる可能性も検討している。","quote_start":8,"quote_end":149,"text_sha256":"361c2c8431f26c677e0b5a7c994776c99c280c588a333ff2aabb2367a44d0d0a","block_sha256":"361c2c8431f26c677e0b5a7c994776c99c280c588a333ff2aabb2367a44d0d0a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_5134a0cc-708f-4e61-b598-a7444fa22382"},{"id":"occ_18a67ac290598a9e92f11916","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_561f056f-25ca-4c3e-a7ed-e826cbde81a8","section_id":"sec_45aaa63c-833c-44da-a09e-39e3c072f3be","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM waferだけを追う時代は終わりつつある。","quote_start":0,"quote_end":26,"text_sha256":"bae471775e5a62602d0741c026de9f610702391937d194d8a07e5c38415b1457","block_sha256":"bae471775e5a62602d0741c026de9f610702391937d194d8a07e5c38415b1457","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_561f056f-25ca-4c3e-a7ed-e826cbde81a8"},{"id":"occ_a842b0e68c30ac39f388c4bb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_5b0624d9-075d-46a6-93ff-2d09293b6746","section_id":"sec_c3e611e4-7f2c-484d-bb6b-0dc039eba05e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"同じ3GB DRAM dieを使うと仮定する。","quote_start":0,"quote_end":23,"text_sha256":"b65ae443749c9afbe9b92cd991858b0b524851cf0b733c0a35c2b75990d31d0b","block_sha256":"b65ae443749c9afbe9b92cd991858b0b524851cf0b733c0a35c2b75990d31d0b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_5b0624d9-075d-46a6-93ff-2d09293b6746"},{"id":"occ_071964b83a6a2171d020232b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_5c2234d7-9ec2-4fd0-83c6-d9ebf1364400","section_id":"sec_a6e70619-eea7-430e-ac43-514414b90964","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"## 22．3D DRAM――SRAMとHBMの間に新しいTierを作る","quote_start":0,"quote_end":36,"text_sha256":"3f40b63858ccddcf1423a96b0f899d0a4eb279d17331e1ae95e97caf2b6aee2d","block_sha256":"3f40b63858ccddcf1423a96b0f899d0a4eb279d17331e1ae95e97caf2b6aee2d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_5c2234d7-9ec2-4fd0-83c6-d9ebf1364400"},{"id":"occ_619f9fed680d4ccdd67e9368","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_5fc519a1-50fa-485a-b407-45bffcf71884","section_id":"sec_716a473b-26f0-4611-b419-076f0ccb9412","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"TrendForceの供給網推定では、SK hynixの現在DRAM Capacityは約55万WPMで、2030～31年に約100万WPMを目指している。","quote_start":0,"quote_end":78,"text_sha256":"808964b401f913ba34432403b619341ba5120021c24cb9b332175a841da8e917","block_sha256":"808964b401f913ba34432403b619341ba5120021c24cb9b332175a841da8e917","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_5fc519a1-50fa-485a-b407-45bffcf71884"},{"id":"occ_2718ab3f242ae8c9f24199cd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_704d763a-649e-4192-bbd1-9328f11c64db","section_id":"sec_e45236ef-86c2-4c36-b3a0-c83e1532ac4b","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"すると1GPUが食うDRAM Siliconが増える。","quote_start":0,"quote_end":27,"text_sha256":"9d570e7409f832e7c9529e0f5f42cf38ed3756b22bdd43c22ad6b4b4cfae3cb3","block_sha256":"9d570e7409f832e7c9529e0f5f42cf38ed3756b22bdd43c22ad6b4b4cfae3cb3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_704d763a-649e-4192-bbd1-9328f11c64db"},{"id":"occ_550f0ed6bd04a08415ae78e9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_772aac03-3a61-4514-b466-74e82f4ad389","section_id":"sec_94d3b29f-b797-49a3-aa05-d28c629313d8","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"### ⑧ 3D DRAMは有望だがYield Valleyが最大の壁","quote_start":0,"quote_end":35,"text_sha256":"20ba07f6af1fec67a90a09222784e658f45ca222a863d7ba981ee2ab0d43244f","block_sha256":"20ba07f6af1fec67a90a09222784e658f45ca222a863d7ba981ee2ab0d43244f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_772aac03-3a61-4514-b466-74e82f4ad389"},{"id":"occ_c9f7bb94b5a9cf523ad1f322","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_8039708f-ab3c-4da9-9103-6c9f9dd9e199","section_id":"sec_11df901a-c889-46c8-86c9-9a6ee6dd7e00","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM Wafer + Stacking + Packaging","quote_start":0,"quote_end":36,"text_sha256":"65ae0eb7fbda880c4b0ec43874aa9e4e4f61074381ca8f2a8e2de96370d9ea69","block_sha256":"65ae0eb7fbda880c4b0ec43874aa9e4e4f61074381ca8f2a8e2de96370d9ea69","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_8039708f-ab3c-4da9-9103-6c9f9dd9e199"},{"id":"occ_78cbea4fd133fc23fb8731a4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_896472e7-ca7f-4bcc-b2c4-4fe22da5375d","section_id":"sec_59f04182-86b9-41b4-a998-93c1b5ae4bfb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"Conventional DRAM：","quote_start":0,"quote_end":18,"text_sha256":"95a3203cb7bb1982c9a970e6c2eb05c3d20fb15e1ce31e2e99104df30d6eaade","block_sha256":"95a3203cb7bb1982c9a970e6c2eb05c3d20fb15e1ce31e2e99104df30d6eaade","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_896472e7-ca7f-4bcc-b2c4-4fe22da5375d"},{"id":"occ_a84618584e33695b640d6a6d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_96f59358-5dc0-4675-9c5f-6ebe9c5ae9b0","section_id":"sec_9bf0a956-75b1-4adb-a6b0-e8396dffa4f9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":15,"exact":"DRAM","quote":"を処理するには、単純なDRAM peripheral processだけではなくPPAを最適化したLogic processが必要になる。","quote_start":0,"quote_end":69,"text_sha256":"d00cef67d5ecdf05eb7b492928c2fcc0122cbda0b72f3a155030650b6774b7d7","block_sha256":"d00cef67d5ecdf05eb7b492928c2fcc0122cbda0b72f3a155030650b6774b7d7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_96f59358-5dc0-4675-9c5f-6ebe9c5ae9b0"},{"id":"occ_10186a3357d3071df8339de5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_9c074ccf-4937-4d3e-bb9b-6d926a2384f0","section_id":"sec_61a54f6a-0cd9-4084-86e5-804247c96e3a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"Backend 1T1C DRAM。","quote_start":0,"quote_end":18,"text_sha256":"ecfecf7018d3771e5806e70c7b1a5b1e2e2c708c4703121dd5fddebacb8b3f6c","block_sha256":"ecfecf7018d3771e5806e70c7b1a5b1e2e2c708c4703121dd5fddebacb8b3f6c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_9c074ccf-4937-4d3e-bb9b-6d926a2384f0"},{"id":"occ_1f5deb7bc3a81b14b435d71a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_a0d57d42-3ec8-4ccc-980f-3cae3d6412aa","section_id":"sec_89cb0012-5797-4ce9-ba56-477e0e1ca30d","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM Supplier × Foundry × Packaging","quote_start":0,"quote_end":38,"text_sha256":"4514e4cba3e2f91ddefab210512ed3eecace4bddf14447ee69bed823e40d02cc","block_sha256":"4514e4cba3e2f91ddefab210512ed3eecace4bddf14447ee69bed823e40d02cc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_a0d57d42-3ec8-4ccc-980f-3cae3d6412aa"},{"id":"occ_a98ec9ecfc4bfb694c051076","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_a3072a89-e92b-4efa-96b9-69b658f3e297","section_id":"sec_5ff700da-51df-48c3-8042-52c08a04c16c","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":24,"exact":"3D DRAM","quote":"## AIDC・HBM・SRAM・3D DRAM・Logic Base Die・Optical Fabricを一つの需給モデルで読む","quote_start":0,"quote_end":66,"text_sha256":"2e4b909546e7b236f52bd6c08b8970bc0650d99e8717016bafaaa5708ede8e3e","block_sha256":"2e4b909546e7b236f52bd6c08b8970bc0650d99e8717016bafaaa5708ede8e3e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_a3072a89-e92b-4efa-96b9-69b658f3e297"},{"id":"occ_a18772bd89d3a8dd7c357584","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_a59327b4-c5ee-4dcc-879e-e4aff812a11c","section_id":"sec_bb97365c-f760-4a63-90b9-a54145c00f9e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"## 3D Stacked DRAM on Logic","quote_start":0,"quote_end":27,"text_sha256":"adf8538142da2cecd4b8ca53a3824e4d07c29d2510469abbca876530eebdb656","block_sha256":"adf8538142da2cecd4b8ca53a3824e4d07c29d2510469abbca876530eebdb656","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_a59327b4-c5ee-4dcc-879e-e4aff812a11c"},{"id":"occ_4376ba0eaf7454e6ebec2a56","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_aaeb7af4-230d-471b-91f8-3f513feaa216","section_id":"sec_f57245d3-ec44-4e2e-a91b-a76707f461aa","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":12,"exact":"3D DRAM","quote":"というのが3D DRAMの考え方になる。","quote_start":0,"quote_end":20,"text_sha256":"2a7fd2ea7cc7e54832f059e9aff81ff6c470cbfc62f64def5c97b289c8986f70","block_sha256":"2a7fd2ea7cc7e54832f059e9aff81ff6c470cbfc62f64def5c97b289c8986f70","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_aaeb7af4-230d-471b-91f8-3f513feaa216"},{"id":"occ_48883b1775f95d21ce3f8158","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_ad293416-e39c-451f-8494-273749ca5ca5","section_id":"sec_1a535315-56e0-4ae9-934f-204f7f9dc4cb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"が同時に量産規模へ上がる一方、新DRAM mega-Fabの本格寄与がまだ途中だからだ。","quote_start":0,"quote_end":44,"text_sha256":"f8dc94564d9d29981d68bf73ee02d451a85fbe7352ab8238d933d8f91990afc6","block_sha256":"f8dc94564d9d29981d68bf73ee02d451a85fbe7352ab8238d933d8f91990afc6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_ad293416-e39c-451f-8494-273749ca5ca5"},{"id":"occ_aa0c547b08419a758c51875e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_b0f1f697-570b-42e5-8c39-41ed1104946c","section_id":"sec_27e02e68-160a-4609-bdf3-ae3028c0a913","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":29,"end":33,"exact":"DRAM","quote":"HBM4 Base Die、Custom HBM、PIM、DRAM-on-Logicが同じ方向を指している。","quote_start":0,"quote_end":54,"text_sha256":"7598548c982b527634a253060a8a1103fbe51364bf1ce2aded5feca1d6cb485b","block_sha256":"7598548c982b527634a253060a8a1103fbe51364bf1ce2aded5feca1d6cb485b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_b0f1f697-570b-42e5-8c39-41ed1104946c"},{"id":"occ_b869dd373f270fc4404133a5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_b3097b4c-fdfc-42fb-8fa1-82541de28c7c","section_id":"sec_8262d70f-44f4-4b14-b6c8-932b946d9f17","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DDR5","quote":"12TB DDR5。","quote_start":0,"quote_end":10,"text_sha256":"23c16431cf16e4bdde168b07e927912ea0e60b5bd3059f379f1ab1b141f82bca","block_sha256":"23c16431cf16e4bdde168b07e927912ea0e60b5bd3059f379f1ab1b141f82bca","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_b3097b4c-fdfc-42fb-8fa1-82541de28c7c"},{"id":"occ_62d0c905c0f5a55ae365778a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_b3e0dffa-31fd-4224-a312-deea87b734f6","section_id":"sec_87893116-fe10-4b4a-a03b-d991413956ef","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"## DRAM","quote_start":0,"quote_end":7,"text_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","block_sha256":"917e19d93d9e594a7ac5627148865416821e1fd2416b3936d63e796554ae08b3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_b3e0dffa-31fd-4224-a312-deea87b734f6"},{"id":"occ_460aab3aec44cf6450d48095","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_beffba9d-c5dc-4e8d-a861-4d51a1d6ff2b","section_id":"sec_5ff700da-51df-48c3-8042-52c08a04c16c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"**DRAM-on-Logic。**","quote_start":0,"quote_end":18,"text_sha256":"16672800ab257334f129b936c9a8801229ae7075196d36885c76de208d78f9cb","block_sha256":"16672800ab257334f129b936c9a8801229ae7075196d36885c76de208d78f9cb","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_beffba9d-c5dc-4e8d-a861-4d51a1d6ff2b"},{"id":"occ_6deaab8fc1b7a883cd35fdf8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_c8c70753-6ae3-46b0-bee0-241fcd99854d","section_id":"sec_a6e70619-eea7-430e-ac43-514414b90964","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMはSRAMほど速くない。","quote_start":0,"quote_end":16,"text_sha256":"769399be8efb1b13706e00d2fd2566c104637914d3f8b92ae35bec660b654911","block_sha256":"769399be8efb1b13706e00d2fd2566c104637914d3f8b92ae35bec660b654911","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_c8c70753-6ae3-46b0-bee0-241fcd99854d"},{"id":"occ_0c6d29cc504f5d8a95daa8f7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_cf1f5cf2-c36f-4592-8fff-92280bb91e8b","section_id":"sec_70a1e76d-d049-4000-9b98-88f5f4785f26","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"現在一般的なDRAM Cellは6F²系。","quote_start":0,"quote_end":21,"text_sha256":"1df3316cfe727667445afc94b6a2aab54c78210752c3c82541c29fe143ade197","block_sha256":"1df3316cfe727667445afc94b6a2aab54c78210752c3c82541c29fe143ade197","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_cf1f5cf2-c36f-4592-8fff-92280bb91e8b"},{"id":"occ_4c865ac9c9d57efe89f745e9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_d30194de-10db-4206-a595-c37a785b11db","section_id":"sec_9bf0a956-75b1-4adb-a6b0-e8396dffa4f9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":7,"exact":"DRAM","quote":"1c DRAM。","quote_start":0,"quote_end":8,"text_sha256":"790eb9c53bbb56682d0a4947c997c8de32a92211f17cdc54517fe8820a38aef3","block_sha256":"790eb9c53bbb56682d0a4947c997c8de32a92211f17cdc54517fe8820a38aef3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_d30194de-10db-4206-a595-c37a785b11db"},{"id":"occ_f44e3ce70ea0002caa0a980b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_d30f606c-ee8e-4f36-b9e0-82e429f7457a","section_id":"sec_22daac3d-60fb-4d46-95c1-e270e044e428","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM DRAM waferは、","quote_start":0,"quote_end":16,"text_sha256":"4ac3d5f2c51eb0b75751c79aa1b58f4ab3a2e4047064bec6d40e6b4be11d92f1","block_sha256":"4ac3d5f2c51eb0b75751c79aa1b58f4ab3a2e4047064bec6d40e6b4be11d92f1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e2c369be-a992-44a9-bbc1-81ed4928e89f/#blk_d30f606c-ee8e-4f36-b9e0-82e429f7457a"},{"id":"occ_0980be65797ab2cded459ed3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e2c369be-a992-44a9-bbc1-81ed4928e89f","work_id":"wrk_d2f61eaa-5ee5-4d1f-b70d-7356a79ea61d","block_id":"blk_d47d826a-c478-4981-97b7-a0e3b3a7ac35","section_id":"sec_633b585b-a03d-447d-8eaa-3ae02fcc301a","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"しかし使うDRAM 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5060は170Wと推定、[VideoCardz.com](https://videocardz.com/","quote_start":0,"quote_end":109,"text_sha256":"52d2d5171c2c5cf04acea451b69e298bad2057747ba2d9bf239d13bbe5b73a61","block_sha256":"52d2d5171c2c5cf04acea451b69e298bad2057747ba2d9bf239d13bbe5b73a61","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e37c2cac-91d3-4c94-8599-05fdaabf8b7e/#blk_05e37a2c-b9ae-4790-841d-563726b29e6f"},{"id":"occ_a70ad84679f6b163cf5f40d1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_e37c2cac-91d3-4c94-8599-05fdaabf8b7e","work_id":"wrk_8bb42947-4bd9-47ed-a9c1-2d5e2e2b5327","block_id":"blk_53260f30-ed65-41a4-9aef-553c7e507288","section_id":"sec_441753b9-55eb-4d4f-ada4-5789b0924d47","layer":"body","character_id":null,"count":1,"matched_aliases":["GDDR7"],"evidence":{"text_basis":"markdown","start":56,"end":61,"exact":"GDDR7","quote":"TX 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半導体部材  | MLCC、インダクタ、PCB、ABF、銅箔       |\n| メモリ    | HBM、DRAM、SSD                |\n| 建設・不動産 | データセンター開発、電力用地              |\n| 電力     | 原発、ガス、再エネ、蓄電池、PPA         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hynixは、DRAMセルやウエハー製造などの中心技術を韓国に残しながら、米国側へ、","quote_start":0,"quote_end":48,"text_sha256":"127b3d1fb46f9f99dd683957534b81a94cd3e32c9001df25342bc2c82c5235aa","block_sha256":"127b3d1fb46f9f99dd683957534b81a94cd3e32c9001df25342bc2c82c5235aa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_e9bd03d1-2d06-4ded-bc4f-bfc67a547fbc/#blk_12c5aadb-374e-479e-a7bf-3ef544ce6395"},{"id":"occ_849b3b11845c9886bd7710f6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eaa7004e-c9e4-4bc4-9718-2e518decec70","work_id":"wrk_dfcbc670-103a-4931-8d23-d5f51671c61b","block_id":"blk_eb254be7-d4ce-4ce6-9225-a4105201889c","section_id":"sec_1afdbaf1-5786-4caa-9bb7-1a11027e856f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"ungとSK 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Expansionまで掲げている。(OpenAI)","quote_start":4,"quote_end":119,"text_sha256":"6316127fae3f6239e1c290dfca07fe965cb66d93b54f3130d8b56739f78847ae","block_sha256":"6316127fae3f6239e1c290dfca07fe965cb66d93b54f3130d8b56739f78847ae","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eaa7004e-c9e4-4bc4-9718-2e518decec70/#blk_eb254be7-d4ce-4ce6-9225-a4105201889c"},{"id":"occ_6df377f4e6bbca79df5ed2c2","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e","work_id":"wrk_65ea8146-0c98-40e2-b084-2dacaa4f1bf1","block_id":"blk_b374fa8e-d2ef-421a-a895-d06246664ff2","section_id":"sec_df50e932-cf79-47ef-b9d2-c72831bc8342","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":89,"end":94,"exact":"LPDDR","quote":"場に本格参入しようとしています。AI200はラックレベルの推論ソリューションで、1カードあたり**768GB LPDDR**、直接液冷、PCIeでのスケールアップ、Ethernetでのスケールアウト、ラック消費電力160kW、2026年商用化予定です。AI250は2027年初期予定で、near-memory compu","quote_start":34,"quote_end":194,"text_sha256":"4f09ab7bc95ad1ba39143b039bacd84a8c8ef89a2820d1251c75dc162aa6950e","block_sha256":"4f09ab7bc95ad1ba39143b039bacd84a8c8ef89a2820d1251c75dc162aa6950e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_ead2aeb8-4b54-444a-83a1-bbc8187c760e/#blk_b374fa8e-d2ef-421a-a895-d06246664ff2"},{"id":"occ_4252d142e55da305411e00d4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_16b821b9-51ba-40bf-8f88-ecaa7e981b54","section_id":"sec_3596295b-84fa-444c-8f06-8ec1dd4a3b7a","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":60,"end":64,"exact":"DDR5","quote":"xt\nGPU / CPU\n ↓ PCIe / CXL・銅\nStructera CXL Switch\n ↓\n共有DDR5 Memory Pool\n```","quote_start":5,"quote_end":80,"text_sha256":"39634da731912e3f73b389800de416930139a800fe7b85a544b29cc5a933d3de","block_sha256":"39634da731912e3f73b389800de416930139a800fe7b85a544b29cc5a933d3de","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_16b821b9-51ba-40bf-8f88-ecaa7e981b54"},{"id":"occ_8cbd7b9bccc5fb727e7222e0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_1732f008-4050-4c1d-8b9c-2d2c840e377e","section_id":"sec_1c532a72-3a38-49b1-897f-315622f00b2e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DRAM","quote":" NUMA制御\n* ページ移動\n* レイテンシ管理\n* OS・ドライバー\n* AIランタイム\n* HBMと外部DRAMの階層制御","quote_start":12,"quote_end":76,"text_sha256":"4ffa585e7b6da0a90b6380264d77ad5619801081863975325bfabc785457de65","block_sha256":"4ffa585e7b6da0a90b6380264d77ad5619801081863975325bfabc785457de65","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_1732f008-4050-4c1d-8b9c-2d2c840e377e"},{"id":"occ_ae370a261eb82978a40e7b68","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_254edb45-0278-4b11-acf5-88a2fa9a87b8","section_id":"sec_c87c2f9d-4a9e-461e-9e67-46d70959c029","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":674,"end":678,"exact":"DRAM","quote":"ラスタで一般化       |\n| Memory Pool  | CXL銅接続の製品化     | CXL共有DRAM導入          | ラック内プール拡大                | 光Memory Pool実証 | マルチラック光プール初期普及          |","quote_start":619,"quote_end":761,"text_sha256":"a7e260fb9e286a77acc784f4b6b25669fe7607fdfd772a86bd2a052fdb1fd6a1","block_sha256":"a7e260fb9e286a77acc784f4b6b25669fe7607fdfd772a86bd2a052fdb1fd6a1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_254edb45-0278-4b11-acf5-88a2fa9a87b8"},{"id":"occ_6d1609cba36bf465bcb294b3","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_43218f13-0a58-41ad-a822-5b63ce10c4eb","section_id":"sec_384e51cf-0471-4ea0-a73d-f038225ae387","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":163,"end":167,"exact":"DRAM","quote":"e-upは数百～1,000超XPUへ\n* Memory Poolは汎用HBM代替ではなく、KVキャッシュ・共有DRAM・容量階層として普及\n* NVLink、UALink、Ethernet系Scale-upが併存","quote_start":108,"quote_end":214,"text_sha256":"b8670b0306ed36ddaa62168c811d4d6034a45d8b2d4857b1afe8c33aa6dba6ce","block_sha256":"b8670b0306ed36ddaa62168c811d4d6034a45d8b2d4857b1afe8c33aa6dba6ce","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_43218f13-0a58-41ad-a822-5b63ce10c4eb"},{"id":"occ_694497174fb9f13dae6095a7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_94eb7b74-a2ca-40ba-8310-55da5e875d4a","section_id":"sec_1c532a72-3a38-49b1-897f-315622f00b2e","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":79,"end":83,"exact":"DRAM","quote":"X／CMXは、KVキャッシュをPod全体に提供するAIネイティブ・ストレージ階層です。これは汎用のコヒーレントDRAM Memory Poolとは異なりますが、外部の共有コンテキストメモリを使う方向性では近いものです。([NVIDIA Developer][3])","quote_start":24,"quote_end":156,"text_sha256":"d56c18e6c3513337fa3df37b62a1208ddab5142eb31cb9e0fe4a0c73f0fc5c8a","block_sha256":"d56c18e6c3513337fa3df37b62a1208ddab5142eb31cb9e0fe4a0c73f0fc5c8a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_94eb7b74-a2ca-40ba-8310-55da5e875d4a"},{"id":"occ_7135b81a7be130d3f8dcfe8c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_a72d560a-2dac-4e54-b9fc-d8fc877ac381","section_id":"sec_3596295b-84fa-444c-8f06-8ec1dd4a3b7a","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":75,"end":79,"exact":"DRAM","quote":"ic Fabric\n ↓ 光\nOptical CXL / 独自Memory Fabric\n ↓\nPooled DRAM / Memory Appliance\n```","quote_start":20,"quote_end":102,"text_sha256":"37291bbdbed29631ded7238df6f799acdbc6ab7839c3aa2dd32f7bb547fc45d9","block_sha256":"37291bbdbed29631ded7238df6f799acdbc6ab7839c3aa2dd32f7bb547fc45d9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_a72d560a-2dac-4e54-b9fc-d8fc877ac381"},{"id":"occ_98a04aedeba66e3c8a1694eb","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_e95cbb9b-fd72-4765-88f6-145ac0a4c863","section_id":"sec_eeaecdcb-9a24-490a-84f4-7059f2e2360a","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":270,"end":274,"exact":"DRAM","quote":"キャンパス・データセンター間を接続\n\nMemory Pool\n  └─ 複数のCPU／XPUから共有できる外部DRAM・KVキャッシュ階層\n```","quote_start":215,"quote_end":288,"text_sha256":"933eb5b5b173c7570cde658642af94c3cb1dce99179d409455c3206fb7ca7873","block_sha256":"933eb5b5b173c7570cde658642af94c3cb1dce99179d409455c3206fb7ca7873","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_e95cbb9b-fd72-4765-88f6-145ac0a4c863"},{"id":"occ_09655bbba76b148f452ba9d5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_eed892a0-f77a-496a-bd60-343ac50f5809","work_id":"wrk_6bbf0c3f-2903-4e16-86da-9b8b9eae06c6","block_id":"blk_f0160094-7c0f-496f-abba-2e071c72b84a","section_id":"sec_5977165a-b665-442c-85cb-016bdc5a79e5","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":55,"end":59,"exact":"DRAM","quote":"```text\nローカルHBM\n＝最高帯域・最低遅延の主記憶\n\nCXL／光接続Memory Pool\n＝大容量DRAM、KVキャッシュ、共有メモリ、補助階層\n```","quote_start":0,"quote_end":82,"text_sha256":"c812583549fd257df3c5c6fcf83edba877475b6be4a9bd93061cc8da403da713","block_sha256":"c812583549fd257df3c5c6fcf83edba877475b6be4a9bd93061cc8da403da713","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_eed892a0-f77a-496a-bd60-343ac50f5809/#blk_f0160094-7c0f-496f-abba-2e071c72b84a"},{"id":"occ_07f55b8cc53c4ea31a1320ad","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_280ffc4e-21a3-41bc-b993-352cd5074ea1","section_id":"sec_88bee63f-0869-4752-bab0-a5f4a24320ed","layer":"code","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":115,"end":119,"exact":"DDR5","quote":"trum-X・Quantum-X・ACF-S系技術による\n低遅延で平坦なscale-out\n\n第3層\nCXL DDR5・NVMe・外部メモリによる\nメモリ容量の拡張\n```","quote_start":60,"quote_end":146,"text_sha256":"a099f9be0067492847ded0aea9b9868905e0cae26fb5989f073d1a3e3468dad5","block_sha256":"a099f9be0067492847ded0aea9b9868905e0cae26fb5989f073d1a3e3468dad5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_280ffc4e-21a3-41bc-b993-352cd5074ea1"},{"id":"occ_471270af08fb3c6e4d519e67","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8","work_id":"wrk_e9e75464-bed3-4605-8239-b70c2bfeeaf0","block_id":"blk_6e12dd93-92ec-40a4-a783-70ca2e07f14c","section_id":"sec_f1bfdfaf-0924-43dd-ad4d-804f738a2b85","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"ホストCPUとホストDRAMを迂回するため、余計なメモリコピーとCPU負荷を減らせる。Google公式資料はこの境界を「TPU HBMとNICの直接転送」と説明しているが、使用されるNIC ASICの詳細までは同資料で公開してい","quote_start":0,"quote_end":114,"text_sha256":"fd100dc4284229ea609d7be1918fc438609a1143a5eb411b02aa0e3540601d7e","block_sha256":"fd100dc4284229ea609d7be1918fc438609a1143a5eb411b02aa0e3540601d7e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f13a5f0d-0c68-4d12-9656-86661b1e65d8/#blk_6e12dd93-92ec-40a4-a783-70ca2e07f14c"},{"id":"occ_5016c02781d6855154a3a104","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_132df9ff-10cd-42a8-9700-931cec9b42ec","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":2,"matched_aliases":["LPDDR","LPDDR5X"],"evidence":{"text_basis":"markdown","start":151,"end":158,"exact":"LPDDR5X","quote":"SK hynixが提案する**SOCAMM**（Small Outline CAMM）と呼ばれる新モジュールはLPDDR5X素子を用い128GBの小型メモリモジュールを実現、AIサーバーの省スペース高効率メモリとして注目されています。LPDDR系は消費電力当たり帯域性能が高いため、サーバー用途にも適用が広がりつつあります。","quote_start":96,"quote_end":258,"text_sha256":"f5477fd9b80866140e6075f97a165eb4589a8d85d1e66e2ce3cc5329dd2261f1","block_sha256":"f5477fd9b80866140e6075f97a165eb4589a8d85d1e66e2ce3cc5329dd2261f1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_132df9ff-10cd-42a8-9700-931cec9b42ec"},{"id":"occ_c132fab70c8cc2fb3740985a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_147bbddd-d40c-4a25-a9bf-aad27a0c077e","section_id":"sec_b7cd6113-b8fb-48e8-8dc3-a81bd43a8e7e","layer":"body","character_id":null,"count":3,"matched_aliases":["DDR5","LPDDR5X"],"evidence":{"text_basis":"markdown","start":370,"end":374,"exact":"DDR5","quote":"UはメモリコントローラやI/Oを多数搭載しやすく、例えば最新のGraviton4では**96コア・12チャネルDDR5**を実装し前世代比でメモリ帯域を75%向上させています。これは生成AIの学習/推論で大量のデータをGPUに送り込む役割のCPUとして理想的です。またNVIDIAのGrace CPUスーパーチップは1","quote_start":315,"quote_end":474,"text_sha256":"14ea7ce2ebc355c60ae9337fe8a5de2f090fd2e008a51fddda6e7523f97219f2","block_sha256":"14ea7ce2ebc355c60ae9337fe8a5de2f090fd2e008a51fddda6e7523f97219f2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_147bbddd-d40c-4a25-a9bf-aad27a0c077e"},{"id":"occ_93f012d51b6c7655e2daf156","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_97dbda5f-37e5-4341-9058-34901538e3e4","section_id":"sec_b7cd6113-b8fb-48e8-8dc3-a81bd43a8e7e","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":126,"end":130,"exact":"DDR5","quote":"世代EPYC（Genoa/Rome世代）で最大96〜128コアを実現し高メモリ帯域・大容量メモリ（12チャネルDDR5、最大6TB以上のRAM搭載）に対応しました。2026年には次世代**EPYC “Venice”で256コア**を実現する計画が報じられており、メモリ帯域もさらに強化される見込みです。生成AIの前処理","quote_start":71,"quote_end":230,"text_sha256":"ef010cff5e4fd328e242b63cb49243088d3e297266e32b9de653c162f3fb5e72","block_sha256":"ef010cff5e4fd328e242b63cb49243088d3e297266e32b9de653c162f3fb5e72","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_97dbda5f-37e5-4341-9058-34901538e3e4"},{"id":"occ_25ccbd06dd3f80efad4e0f6f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_dcbb5028-bac0-4f1a-9365-aff0ef2fed57","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":137,"end":142,"exact":"LPDDR","quote":"す。最新のGrace HopperなどはGPUがCPUメモリ空間に直接アクセス可能な構造で、HBMの数倍規模のLPDDRメモリをシームレスに活用します。今後も、HBM4によるGPUメモリの大型化とDDR5/DDR6によるシステムメモリの高速大容量化が並行して進み、**ペタバイト級のデータをリアルタイムで扱うAIクラスタ","quote_start":82,"quote_end":242,"text_sha256":"0e2ff2464790f140618d1daf559681b46e8794574792ded91ec5eae9e186bea9","block_sha256":"0e2ff2464790f140618d1daf559681b46e8794574792ded91ec5eae9e186bea9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_dcbb5028-bac0-4f1a-9365-aff0ef2fed57"},{"id":"occ_ddd5f3fda27e541ecf40a6ff","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_eb4c384f-64fc-48fd-8204-7b5583e067df","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":56,"end":60,"exact":"DDR5","quote":"*DDRメモリとサーバー展開:** 一方、従来型のメインメモリ（DDRメモリ）も進化を続けています。現在は**DDR5**世代がサーバーに本格普及しつつあり、標準速度4800MT/sから、サーバー向け高性能版では**5600MT/s (5.6 Gbps)や将来的に6400MT/sも視野に入ります。SK hynixは2","quote_start":1,"quote_end":160,"text_sha256":"29a5c3a223cd6a75f0fb8597c10a87171c6fcac622ce040e51e8988f355830af","block_sha256":"29a5c3a223cd6a75f0fb8597c10a87171c6fcac622ce040e51e8988f355830af","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_eb4c384f-64fc-48fd-8204-7b5583e067df"},{"id":"occ_45fedaee868c4974d01dc0b8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f17ef624-e9fd-49a4-b061-966093172de4","work_id":"wrk_168418fa-2b60-4053-acfe-b86f6898d033","block_id":"blk_f1530434-6385-421f-b4dd-4fa92022b8ee","section_id":"sec_6c097663-b854-43b6-8790-2ae1c15322bd","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":67,"end":71,"exact":"DDR5","quote":"E/HBM4の投入**でGPUのメモリ帯域・容量が飛躍し、超巨大モデルの学習・推論が可能となります。一方で**DDR5/6の高性能化**によりCPU側もボトルネックを減らし、GPUクラスタ全体の効率を底上げします。将来的には光技術や新素材メモリも視野に、メモリ技術はAI時代のニーズに合わせた進化を遂げていくでしょう。","quote_start":12,"quote_end":171,"text_sha256":"fb43348fc4050b13d5def6c572093a2ab528bcf4f0bf6fe1eb02bd789b1855a6","block_sha256":"fb43348fc4050b13d5def6c572093a2ab528bcf4f0bf6fe1eb02bd789b1855a6","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f17ef624-e9fd-49a4-b061-966093172de4/#blk_f1530434-6385-421f-b4dd-4fa92022b8ee"},{"id":"occ_43d428089cc41b29aaf17c84","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_47ff58cb-0823-47f5-af93-4591eb57ad6f","section_id":"sec_210a9fa7-3018-4cba-a47f-11389c648f8a","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":65,"end":69,"exact":"DRAM","quote":"SE分散SRAM\n数十GB・数十PB/s\n演算中の最重要データ\n        ↓\n第2階層\n近接HBM／積層DRAM\n数百GB～1TB超・数十TB/s\nモデル重み・KVキャッシュ\n        ↓\n第3階層\n外部MemoryX\n数十TB～PB級\nモデル保管・チェックポイント\n```","quote_start":10,"quote_end":153,"text_sha256":"e10350862a60fafbbc572b6f5cd4ab4bcb276967b9e29c8ee1671aa4d940c995","block_sha256":"e10350862a60fafbbc572b6f5cd4ab4bcb276967b9e29c8ee1671aa4d940c995","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_47ff58cb-0823-47f5-af93-4591eb57ad6f"},{"id":"occ_dca1f09d7f3afa046f2da290","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_fa8ba2c9-1d94-4f57-a882-7669f4c9796d","section_id":"sec_152cfd42-2e93-4575-8e2f-a12bcf4b25d5","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":12,"end":16,"exact":"DRAM","quote":"SRAMはHBMや通常のDRAMより容量密度が低いが、演算器のすぐそばへ配置できる。WSEでは90万個のコアの周辺へSRAMを分散し、ウェハー内のNoCで直接接続している。","quote_start":0,"quote_end":86,"text_sha256":"e6a936892c596443dfe9d791c483c09b4d6e9843cd9b29245ebfd5560878f83a","block_sha256":"e6a936892c596443dfe9d791c483c09b4d6e9843cd9b29245ebfd5560878f83a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_fa8ba2c9-1d94-4f57-a882-7669f4c9796d"},{"id":"occ_b143852d0166fe22463d2628","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332","work_id":"wrk_d32481f4-3a5a-40d8-a817-86b115c8c4f4","block_id":"blk_fe87d78a-93bf-46ef-8021-d3df87b9f6c6","section_id":"sec_0fd41a36-e7bc-44f6-aee0-9b2be9d051aa","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":103,"end":107,"exact":"DRAM","quote":"         │ 光メモリーファブリック\n          ↓ 10～25TB/s以上\n近接HBM／積層DRAM\n500GB～1TB超・22～88TB/s\n          │\n          ↓\nWSE分散SRAM\n44GB以上・21PB/s以上\n          │\n          ↓\n90万個","quote_start":48,"quote_end":207,"text_sha256":"daba8c5b57d1881fc83c9d1c584aeae106646823a2391177ec79be7f05275398","block_sha256":"daba8c5b57d1881fc83c9d1c584aeae106646823a2391177ec79be7f05275398","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f3a5d7c9-6dfa-4c38-8bf2-a37063801332/#blk_fe87d78a-93bf-46ef-8021-d3df87b9f6c6"},{"id":"occ_67f313ad58eee0322e2825ea","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f487aa08-2568-42ad-85cb-11c258b5b71d","work_id":"wrk_a5567405-5ef5-4c25-abcd-63351a43cdfd","block_id":"blk_de7d7537-bc99-470a-90ed-6d60bba6075c","section_id":"sec_28bb40ed-a959-4b81-b487-c4b97a76302f","layer":"code","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":371,"end":376,"exact":"LPDDR","quote":"─ これから太る売上プール\n\n[デバイス]\n  車載SoC / ロボットSoC / NPU / ASIC ─ LPDDR / NAND\n     │\n     ├─ 主な取り分：Mobileye / Qualcomm / Horizon / Hailo / NVIDIA / Tesla(内製)\n     └─ 台数は大","quote_start":316,"quote_end":476,"text_sha256":"68de07acc49b3a7831af703fbe06fc368c58283247d504a0c542be5a66edb831","block_sha256":"68de07acc49b3a7831af703fbe06fc368c58283247d504a0c542be5a66edb831","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f487aa08-2568-42ad-85cb-11c258b5b71d/#blk_de7d7537-bc99-470a-90ed-6d60bba6075c"},{"id":"occ_2d59cd5813cc1f44c68f3a53","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_00d8f249-1e6a-4926-8cea-a0a36f17f563","section_id":"sec_5da1e85b-3afb-40fe-8868-e83f9c1d8332","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":37,"exact":"3D DRAM","quote":"さらに巨大なContextやinactive expertは3D DRAM/HBF。","quote_start":0,"quote_end":42,"text_sha256":"079e28c7bb48b5d6b5a75b633319038c4893a11f28f77268e44e654f8ae5c425","block_sha256":"079e28c7bb48b5d6b5a75b633319038c4893a11f28f77268e44e654f8ae5c425","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_00d8f249-1e6a-4926-8cea-a0a36f17f563"},{"id":"occ_2b1dc31c67c42faff3a8b3c4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_013f33b2-1dfc-429b-a569-3311318f87f0","section_id":"sec_997a80a1-58f7-46f0-8c72-ae88723eb1cb","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAMへ行く。","quote_start":0,"quote_end":11,"text_sha256":"001a9a15a0236f69e35e918885eaa5d9dfcc1b6e1bf0b8ec9e9cd81d6def543a","block_sha256":"001a9a15a0236f69e35e918885eaa5d9dfcc1b6e1bf0b8ec9e9cd81d6def543a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_013f33b2-1dfc-429b-a569-3311318f87f0"},{"id":"occ_28dfa17328e846e2cf820e63","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_019f749d-8130-4463-a5d2-7ae6c461649b","section_id":"sec_9bc204a6-5a8a-486f-a558-c34e49e42eca","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"2026Q1にはDRAM＋NANDだけで四半期半導体市場3190億ドルの40%以上、すなわち少なくとも1280億ドル規模に達した。NANDだけで約480億ドルだった。([ETElectronics.com](https://","quote_start":0,"quote_end":112,"text_sha256":"1ee7836ca3ae9ff4bdcf6272c7954a9c9fea50a775e3a0d865ac5a5042bd874e","block_sha256":"1ee7836ca3ae9ff4bdcf6272c7954a9c9fea50a775e3a0d865ac5a5042bd874e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_019f749d-8130-4463-a5d2-7ae6c461649b"},{"id":"occ_46d55f00cda816fc12aa3054","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_03054719-d523-451e-9460-21f16166a2ea","section_id":"sec_f3ab7b05-f167-4a14-905d-c481d1c7ceab","layer":"body","character_id":null,"count":2,"matched_aliases":["3D DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":58,"end":62,"exact":"DRAM","quote":"Groq、Cerebras、Rebellionsを技術から事業まで分解しながら、SRAMとはそもそも何なのか、DRAM/HBM不足の中でなぜ重要になってきたのか、3D DRAMはその先をどう変えるのか、そして2030年代のAIDCがどこへ向かうのかまで考えてみる。","quote_start":3,"quote_end":135,"text_sha256":"fdcb9158aa5f642c170f2db3f186d1f9b4a6de058a2fa42cb4b201447f142b2a","block_sha256":"fdcb9158aa5f642c170f2db3f186d1f9b4a6de058a2fa42cb4b201447f142b2a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_03054719-d523-451e-9460-21f16166a2ea"},{"id":"occ_5bbce69be5b19a6051f1968f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_0349140e-f93b-4af3-909d-548593d6c87c","section_id":"sec_55c8da16-99bb-4035-9c69-132f48783c0f","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":42,"end":46,"exact":"DRAM","quote":"```\nSK hynix / Samsung / Micron\n        ↓\nDRAM wafer\n        ↓\nHBM die\n        ↓\n8Hi / 12Hi / 16Hi\n        ↓\nstacking\n```","quote_start":0,"quote_end":121,"text_sha256":"867116075598c7c64bdf26d4dbfe334099d4fd4fd4a2895b2431666435b15380","block_sha256":"867116075598c7c64bdf26d4dbfe334099d4fd4fd4a2895b2431666435b15380","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_0349140e-f93b-4af3-909d-548593d6c87c"},{"id":"occ_e9e4923c8f853a42dfe563a8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_05f63c8d-92c6-4901-9e2b-ccc7ebbf9512","section_id":"sec_b7f613b0-72fd-4091-b10a-42ce00f9a433","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMのように、","quote_start":0,"quote_end":9,"text_sha256":"8579fc77e2d09a4b35eed84bab62754d75c7d5c9d06b240851b9d078394b6770","block_sha256":"8579fc77e2d09a4b35eed84bab62754d75c7d5c9d06b240851b9d078394b6770","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_05f63c8d-92c6-4901-9e2b-ccc7ebbf9512"},{"id":"occ_e433fe86aafb80d5fb92686b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_0840f565-209a-41cd-9258-17dbf2229020","section_id":"sec_882648c2-af6c-463c-abcb-98cb445516cd","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":70,"end":77,"exact":"3D DRAM","quote":"ster\n\nTier 1\nSRAM\n超低Latency\n数百MB～数GB\n        ↓\n\nTier 2\n3D DRAM / Custom HBM\n数十～数百GB以上\n        ↓\n\nTier 3\nHBM / DDR / CXL\nTB級\n        ↓\n\nTier 4\nHBF / NAND / 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DRAMは容量密度がはるかに高い。","quote_start":0,"quote_end":30,"text_sha256":"f6239d264be110b5d3067619e17354f8585de65e2bc0e90935c720a7809eb9b8","block_sha256":"f6239d264be110b5d3067619e17354f8585de65e2bc0e90935c720a7809eb9b8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_53a2916c-03db-48b0-b2ca-90d8248913bc"},{"id":"occ_9e10e21276c2052207d05e15","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_54e58699-64a2-4185-89c3-576e6f2673a2","section_id":"sec_5da1e85b-3afb-40fe-8868-e83f9c1d8332","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM","quote_start":0,"quote_end":4,"text_sha256":"3cb6b46238477e4a72a413a6280e6274acbca1053f1dd999457d9edba7dadcd5","block_sha256":"3cb6b46238477e4a72a413a6280e6274acbca1053f1dd999457d9edba7dadcd5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_54e58699-64a2-4185-89c3-576e6f2673a2"},{"id":"occ_3930c4445a04b9caf3367d42","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_5a3bf2b7-16bf-4382-a724-88d6f2e3b1a7","section_id":"sec_e9023357-2077-45d2-b37c-41e6d3b06ca8","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":3,"end":10,"exact":"3D DRAM","quote":"## 3D DRAM","quote_start":0,"quote_end":10,"text_sha256":"b80d2f8c85817e45d7bbfc3fe9fb04357ff78220a98cc235faafd951a45e3e96","block_sha256":"b80d2f8c85817e45d7bbfc3fe9fb04357ff78220a98cc235faafd951a45e3e96","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_5a3bf2b7-16bf-4382-a724-88d6f2e3b1a7"},{"id":"occ_4539f00358af121f60e4c67e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_62f905b1-259e-4508-9042-0e0c9c93b61f","section_id":"sec_67adfe27-dc13-4969-8a55-d6a0d6bbe376","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":16,"exact":"3D DRAM","quote":"## 54．しかし3D DRAMはSRAMより簡単に供給できるわけではない","quote_start":0,"quote_end":37,"text_sha256":"73259871447c77464496295955b2545d74efa354aa56d2e481fffa81a4f1b88b","block_sha256":"73259871447c77464496295955b2545d74efa354aa56d2e481fffa81a4f1b88b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_62f905b1-259e-4508-9042-0e0c9c93b61f"},{"id":"occ_7d5100b426e6b2371815507c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_632991a8-5e85-4eb0-85f0-6814b1f87113","section_id":"sec_67adfe27-dc13-4969-8a55-d6a0d6bbe376","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":9,"exact":"3D DRAM","quote":"一方3D DRAMは、","quote_start":0,"quote_end":11,"text_sha256":"f325633933b625edf5a036eeb74b964129c9df10894019ee0de0f462ba21937f","block_sha256":"f325633933b625edf5a036eeb74b964129c9df10894019ee0de0f462ba21937f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_632991a8-5e85-4eb0-85f0-6814b1f87113"},{"id":"occ_2518cdcea9e30d6bf935f738","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_64727ae9-372c-4609-9142-1bf365688c31","section_id":"sec_65a17071-2df9-46c3-8a65-e3251c7b0702","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":41,"end":45,"exact":"DRAM","quote":"TSMCも、SRAMをlogic chip上へ統合して高速cacheとして利用し、DRAMをより高密度だが相対的に低速なoff-chip memoryとして位置付けている。([TSMC Research](https://research.tsmc.com/page/memory/4.ht","quote_start":0,"quote_end":145,"text_sha256":"94fcf5370e6ff7e005b0832cfb2c4c71157108c394e8a7d4bde46694d9b81be1","block_sha256":"94fcf5370e6ff7e005b0832cfb2c4c71157108c394e8a7d4bde46694d9b81be1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_64727ae9-372c-4609-9142-1bf365688c31"},{"id":"occ_babd7bd22b0883ee8c0e9432","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_649ca248-202a-4079-8bc5-f706fecac331","section_id":"sec_1bb9f0fc-620f-459e-b8e0-05911c4dc427","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM全体のbitでHBMは少ない。","quote_start":0,"quote_end":19,"text_sha256":"55420800f4b0851403c126f5d53a53398e46465abedfa5785ed9755ffb24e38f","block_sha256":"55420800f4b0851403c126f5d53a53398e46465abedfa5785ed9755ffb24e38f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_649ca248-202a-4079-8bc5-f706fecac331"},{"id":"occ_be85d6275537560829388ef0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_6799b4a5-8b09-479c-a3fd-9cc38e143def","section_id":"sec_e4b892ec-02a4-42ad-99af-b53f73ca35d2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMはDynamic Random Access Memoryである。","quote_start":0,"quote_end":37,"text_sha256":"db830f46bf4a51a87538f78ed8d9725174ca5c7f9142d66a9760db2dbcd2456c","block_sha256":"db830f46bf4a51a87538f78ed8d9725174ca5c7f9142d66a9760db2dbcd2456c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_6799b4a5-8b09-479c-a3fd-9cc38e143def"},{"id":"occ_e38ac858cff887c6b73b36ef","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_6ed5d75a-7c62-485b-b943-eb3247b5b907","section_id":"sec_1a8a9aaf-bde5-46d3-964e-603fd38a4888","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":27,"end":31,"exact":"DRAM","quote":"そして同社は3D SRAM案から3D-stacked DRAMへ変更した。([EE Times](https://www.eetimes.com/rebellions-bets-on-memory-centric-architecture-as-it-weigh","quote_start":0,"quote_end":131,"text_sha256":"a5730155949574b0204e5ba4206e75b7ef3fdab6ba545d13a65d4436ce55aaf5","block_sha256":"a5730155949574b0204e5ba4206e75b7ef3fdab6ba545d13a65d4436ce55aaf5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_6ed5d75a-7c62-485b-b943-eb3247b5b907"},{"id":"occ_7fd9f8289e3b51cbede14a0c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_6f8923b8-5c71-4ad7-9e17-acfcd7541531","section_id":"sec_600300e2-6c25-4273-b46b-aa3a1682c259","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBM DRAM wafer、","quote_start":0,"quote_end":15,"text_sha256":"083dab9b6e431b44227321b87757712c16d60618d16d080515b8069def2a0cf9","block_sha256":"083dab9b6e431b44227321b87757712c16d60618d16d080515b8069def2a0cf9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_6f8923b8-5c71-4ad7-9e17-acfcd7541531"},{"id":"occ_5c3890b28b517dcd94b56b79","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_70b96402-a909-4bba-85b7-62f12d4e77f0","section_id":"sec_80e436f0-029f-4b88-94fa-0f41fb4ef163","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"## 51．3D DRAMはすでに「研究だけ」ではなくなっている","quote_start":0,"quote_end":32,"text_sha256":"dc51d56c2a28966a721a764a014849dda46baf442aece4ab36ae04181ddce2e7","block_sha256":"dc51d56c2a28966a721a764a014849dda46baf442aece4ab36ae04181ddce2e7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_70b96402-a909-4bba-85b7-62f12d4e77f0"},{"id":"occ_4a864bd70e1ce68dab95a8ff","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_74bbabe4-667e-436a-bfd3-83ba738e58af","section_id":"sec_134aef79-3e64-4a53-a833-301cc699cc7f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"HBMもDRAM売上として見える。","quote_start":0,"quote_end":17,"text_sha256":"921c355b10fc5f3cc055a6f0fd2c99e2f25084446c6532b8f7e81312942740ec","block_sha256":"921c355b10fc5f3cc055a6f0fd2c99e2f25084446c6532b8f7e81312942740ec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_74bbabe4-667e-436a-bfd3-83ba738e58af"},{"id":"occ_1541885dde15de4ee54d120f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_74f9bfb3-528f-411d-bfde-51534a72fc53","section_id":"sec_44acde4f-6354-4f85-9ceb-9b16aa1556a9","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":40,"exact":"3D DRAM","quote":"> **SRAMだけでは高すぎる。HBM、DMA、Chiplet、3D DRAMを組み合わせ、Memory hierarchy全体を最適化すべきだ**","quote_start":0,"quote_end":75,"text_sha256":"269a0d0a5eb656809e299b12e4f68341ad3c42c55d4871198278a0311ad6c6b5","block_sha256":"269a0d0a5eb656809e299b12e4f68341ad3c42c55d4871198278a0311ad6c6b5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_74f9bfb3-528f-411d-bfde-51534a72fc53"},{"id":"occ_c7733f93088311ec0f5a3abc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_7697498b-06b9-4d65-94c1-51258b36116b","section_id":"sec_fd8570f4-91e2-4e92-9e2d-085db0232f52","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":112,"end":116,"exact":"DRAM","quote":"当初検討していた3D SRAMをやめ、SK hynixとSamsungとの協力による**3D-stacked DRAM**へ方向転換したと説明している。","quote_start":57,"quote_end":133,"text_sha256":"199a057f91388385f3f540537a651b1b60b376273af01ae1ea31b08d9ece699f","block_sha256":"199a057f91388385f3f540537a651b1b60b376273af01ae1ea31b08d9ece699f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_7697498b-06b9-4d65-94c1-51258b36116b"},{"id":"occ_6d69577b9fe53ffcfd7e702c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_7a512cad-2ee1-4928-8c6a-9b98bdc3fa87","section_id":"sec_b2544145-8b6e-4398-a498-1ca8d636014c","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":17,"exact":"3D DRAM","quote":"```\nHBM / 3D DRAM\nExpert 1\nExpert 2\n...\nExpert 100\n       ↓\nRouter\n次に使うExpertを選択\n       ↓\nPredictive Data Movement\n  ","quote_start":0,"quote_end":117,"text_sha256":"fff98906a081c29417e0617169f3ee1e3bdac45b840d26a71f04e4689f25ede4","block_sha256":"fff98906a081c29417e0617169f3ee1e3bdac45b840d26a71f04e4689f25ede4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_7a512cad-2ee1-4928-8c6a-9b98bdc3fa87"},{"id":"occ_8c1934263c992cf1e157cfa7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_7b44f25e-bb0a-4f53-becf-5343fafa2cdd","section_id":"sec_600300e2-6c25-4273-b46b-aa3a1682c259","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 25．DRAM不足ではSRAMは本当に有利なのか","quote_start":0,"quote_end":27,"text_sha256":"b2cde8d39221824ca7845e0e56076c5fde15565f53b15a8cca158999040d724e","block_sha256":"b2cde8d39221824ca7845e0e56076c5fde15565f53b15a8cca158999040d724e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_7b44f25e-bb0a-4f53-becf-5343fafa2cdd"},{"id":"occ_2dad968e24ddf7d6e485a259","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_7c992f4d-66d1-49da-9982-be8f9c686671","section_id":"sec_57e2a34a-c9f9-407b-bdcb-765081ed950e","layer":"body","character_id":null,"count":1,"matched_aliases":["DDR5"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DDR5","quote":"Groq 3 LPXには12TB DDR5があり、さらにNVIDIA Vera Rubinと組み合わせる前提になっている。([Groq](https://groq.com/platform?utm_source=chatgpt.com))","quote_start":0,"quote_end":119,"text_sha256":"8c209a61713f8689afc9463d4f38a7e4f41d806d7f3904fcc9cd0c134f29affa","block_sha256":"8c209a61713f8689afc9463d4f38a7e4f41d806d7f3904fcc9cd0c134f29affa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_7c992f4d-66d1-49da-9982-be8f9c686671"},{"id":"occ_c99f3c53267232ebd81631e6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_80195e27-ee1f-44fe-9f6c-7d4815e795ea","section_id":"sec_658236f1-36ec-41f6-9ea3-010cc3d5cfbc","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAMを大量に載せたInference AIDC。","quote_start":0,"quote_end":29,"text_sha256":"060d795607ee3f57b50f9b7d92491ae3cd1bc9eebe70d487c9523b99ffc5e012","block_sha256":"060d795607ee3f57b50f9b7d92491ae3cd1bc9eebe70d487c9523b99ffc5e012","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_80195e27-ee1f-44fe-9f6c-7d4815e795ea"},{"id":"occ_478ac6918e69ab0168669f74","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_85b281e6-8571-4f54-b289-353b96944944","section_id":"sec_134aef79-3e64-4a53-a833-301cc699cc7f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":10,"exact":"DRAM","quote":"## 30．DRAMなら売上をそのまま測れる","quote_start":0,"quote_end":22,"text_sha256":"80ef31fa0feaabaa72a9fe83b34e99aa24575bed82e2e4a9d906ef1211d06db9","block_sha256":"80ef31fa0feaabaa72a9fe83b34e99aa24575bed82e2e4a9d906ef1211d06db9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_85b281e6-8571-4f54-b289-353b96944944"},{"id":"occ_5945c53feb694bbe0485b7ae","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_86f4a3ef-acf4-4199-aefd-efb66e8dd0d4","section_id":"sec_f809ffc2-711c-4c30-84a9-edfc295a12ad","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":11,"end":18,"exact":"3D DRAM","quote":"## 56．SRAMと3D DRAMは競合ではなく階層","quote_start":0,"quote_end":27,"text_sha256":"352f68c7d84a931d2e3d626c35a78d2af5db702d951a516e40deb462c59cdf5c","block_sha256":"352f68c7d84a931d2e3d626c35a78d2af5db702d951a516e40deb462c59cdf5c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_86f4a3ef-acf4-4199-aefd-efb66e8dd0d4"},{"id":"occ_e6f516a4e2f90d8fa7552832","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_86ff5c9d-4247-4a58-a782-8d0fbfd97beb","section_id":"sec_06b1b9b7-c9d6-4530-9b1e-5b5281540de4","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"## 50．3D DRAMは何を解決するのか","quote_start":0,"quote_end":22,"text_sha256":"54df18bd71e00dbca1aa74580f9ae49cd3f450e9aa762bea7ae9e67a764885c7","block_sha256":"54df18bd71e00dbca1aa74580f9ae49cd3f450e9aa762bea7ae9e67a764885c7","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_86ff5c9d-4247-4a58-a782-8d0fbfd97beb"},{"id":"occ_f1f59dbb4d3650c2e37f9562","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_87e3cd5c-f063-467d-b93e-c83d53607571","section_id":"sec_55c8da16-99bb-4035-9c69-132f48783c0f","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":13,"exact":"DRAM","quote":"## 3．HBMはDRAM Wafer、SRAMはLogic Waferを食う","quote_start":0,"quote_end":39,"text_sha256":"7bc2c68ee888a5a0d7f7c3ce485d57fd35194917709b5e744318a38340898bc2","block_sha256":"7bc2c68ee888a5a0d7f7c3ce485d57fd35194917709b5e744318a38340898bc2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_87e3cd5c-f063-467d-b93e-c83d53607571"},{"id":"occ_cfbd208a6fd0b25bb24baddd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_88bafdb3-d183-4e14-bc79-207142f33961","section_id":"sec_600300e2-6c25-4273-b46b-aa3a1682c259","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"現在DRAM/NAND市場は非常にtightで、2026Q1にはDRAMとNANDだけで世界半導体売上の40%以上を占め、NANDだけでも約480億ドルまで膨らんだ。AI需要と供給不足による価格上昇が主要因である","quote_start":0,"quote_end":106,"text_sha256":"dd2e5f27a9bd361b912e686ff60abdc3ad4bc9076927479c3fdac27b65b48014","block_sha256":"dd2e5f27a9bd361b912e686ff60abdc3ad4bc9076927479c3fdac27b65b48014","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_88bafdb3-d183-4e14-bc79-207142f33961"},{"id":"occ_e3ae8de89b0a18ab8f75dd49","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_8c0bb05f-87ec-45c1-940a-2d4034e8addf","section_id":"sec_c5a663aa-4639-489e-ab2e-9188bcc795df","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":53,"exact":"3D DRAM","quote":"RebellionsはSRAM、HBM、Predictive DMA、UCIe、そして将来の3D DRAMまで含め、Memory hierarchy全体を最適化しようとしている。","quote_start":0,"quote_end":89,"text_sha256":"7e9d2930233036923aa2ae298859386aae86646200ed5a92b56477d9d22d2e3b","block_sha256":"7e9d2930233036923aa2ae298859386aae86646200ed5a92b56477d9d22d2e3b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_8c0bb05f-87ec-45c1-940a-2d4034e8addf"},{"id":"occ_70383dd9d09482feb8d2daa7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_8cdbfa81-fce5-4fc9-9337-f518fe3d2927","section_id":"sec_fd8570f4-91e2-4e92-9e2d-085db0232f52","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":33,"exact":"3D DRAM","quote":"## 23．Rebellionsが3D SRAMから3D DRAMへ切り替えた意味","quote_start":0,"quote_end":41,"text_sha256":"29ca2852c051f4ea5bc694ed0220c908e85f6bc6450297d44cf39485a1860712","block_sha256":"29ca2852c051f4ea5bc694ed0220c908e85f6bc6450297d44cf39485a1860712","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_8cdbfa81-fce5-4fc9-9337-f518fe3d2927"},{"id":"occ_476a54abff356b54800ce8b1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_92b7566f-0206-4f40-8230-dbcf6cf70714","section_id":"sec_b598e2b1-dba3-4ed9-852e-fcad31d44568","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":9,"exact":"3D DRAM","quote":"＋ 3D DRAM","quote_start":0,"quote_end":9,"text_sha256":"e871668cddddfef5a21ef0355f076c70e3ab9844b066edc6cba44694dfd01b53","block_sha256":"e871668cddddfef5a21ef0355f076c70e3ab9844b066edc6cba44694dfd01b53","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_92b7566f-0206-4f40-8230-dbcf6cf70714"},{"id":"occ_0e2a3be476195346894ce5de","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_9a4c0943-4d74-4da4-bfa2-0216d7cb3c1a","section_id":"sec_910fc619-86cd-4079-9f42-e5d509760651","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":33,"end":37,"exact":"DRAM","quote":"## 41．Samsung Electronics――LogicとDRAMを両側から取る","quote_start":0,"quote_end":44,"text_sha256":"a24af5843b07a5065137e5a5590c7a21bc663a9358851ba277de25900a25dfc9","block_sha256":"a24af5843b07a5065137e5a5590c7a21bc663a9358851ba277de25900a25dfc9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_9a4c0943-4d74-4da4-bfa2-0216d7cb3c1a"},{"id":"occ_759d63cfd5435127dbdfdef7","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_9d78fb9e-8064-426b-8f66-6dd5e247624b","section_id":"sec_599e6f72-0a5c-4a87-bbb6-0db370588326","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":70,"end":77,"exact":"3D DRAM","quote":"tor inference acceleratorへ3DIMCを商用投入する計画を示している。Alchipとも3D DRAM accelerator開発で協力している。([d-Matrix](https://www.d-matrix.ai/announcements/d-matrix-and-alchip-announce","quote_start":15,"quote_end":177,"text_sha256":"dda003b192163b9beffc41ae99105369330f1d80d5d3e5bd680b58892e9c2836","block_sha256":"dda003b192163b9beffc41ae99105369330f1d80d5d3e5bd680b58892e9c2836","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_9d78fb9e-8064-426b-8f66-6dd5e247624b"},{"id":"occ_b58cd497ee37a031719fb246","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_a0dd4499-997b-4f37-93a3-3f67caecd4bd","section_id":"sec_f3ab7b05-f167-4a14-905d-c481d1c7ceab","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"SRAMはDRAMのような「SRAMメーカーの売上」として見えない。","quote_start":0,"quote_end":34,"text_sha256":"d76cdd9c0fbd2473604459ffacbd91f9a392be422024c5f93b67ae091cd8d162","block_sha256":"d76cdd9c0fbd2473604459ffacbd91f9a392be422024c5f93b67ae091cd8d162","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_a0dd4499-997b-4f37-93a3-3f67caecd4bd"},{"id":"occ_b6d90882f4a2ab4abc742c9c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_aaa33779-e1d0-4f55-a38b-11379dab8ce7","section_id":"sec_67adfe27-dc13-4969-8a55-d6a0d6bbe376","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM wafer、","quote_start":0,"quote_end":11,"text_sha256":"26d7b8aff2dcb974a37cd0201b2de4a1df468f4b5fe01876b625f84e3f988ae9","block_sha256":"26d7b8aff2dcb974a37cd0201b2de4a1df468f4b5fe01876b625f84e3f988ae9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_aaa33779-e1d0-4f55-a38b-11379dab8ce7"},{"id":"occ_09b8da9687f7ce1886f7323f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_ad3dd0bd-e807-4db1-852a-01cccb9460f1","section_id":"sec_47b48032-c3ac-4a95-b5a9-0ea1918910eb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":18,"end":22,"exact":"DRAM","quote":"## 80．結論――SRAMは「次のDRAM市場」ではない。しかし、もっと大きなSupply Chain Themeになり得る","quote_start":0,"quote_end":63,"text_sha256":"428a4fa54fe9c101e9c709abafa2fe27e3fe0cb30e3e36b38ec28e8981a80a3a","block_sha256":"428a4fa54fe9c101e9c709abafa2fe27e3fe0cb30e3e36b38ec28e8981a80a3a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_ad3dd0bd-e807-4db1-852a-01cccb9460f1"},{"id":"occ_10dab110bc70e9905d2b1297","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_b01089b2-f7a3-4e94-b0fe-249f63918884","section_id":"sec_997a80a1-58f7-46f0-8c72-ae88723eb1cb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM wafer","quote_start":0,"quote_end":10,"text_sha256":"57c2e97bb045b60f29bb0512926fc7c77ab5884f8d029f5c1e46c167b0ef196b","block_sha256":"57c2e97bb045b60f29bb0512926fc7c77ab5884f8d029f5c1e46c167b0ef196b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_b01089b2-f7a3-4e94-b0fe-249f63918884"},{"id":"occ_b0b1377b5916346710326730","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_b9d5807d-e94e-4af3-9343-150421c938b6","section_id":"sec_979dc96a-796e-4c24-a489-57fbe1667106","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAMが20TB/s級をMass Productionで実現できるか。","quote_start":0,"quote_end":39,"text_sha256":"d28dcdca0b1836379bdfdc1c8ec351ba9ef2fa481bfcb0b98b7a7906079ec6e3","block_sha256":"d28dcdca0b1836379bdfdc1c8ec351ba9ef2fa481bfcb0b98b7a7906079ec6e3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_b9d5807d-e94e-4af3-9343-150421c938b6"},{"id":"occ_5d5540c3d2876d32e698be99","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_ba727bf3-8fdc-4595-b97e-f027a00eb1f1","section_id":"sec_b598e2b1-dba3-4ed9-852e-fcad31d44568","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAM初期commercialization。","quote_start":0,"quote_end":27,"text_sha256":"0eed218b2943a7124e5cebb9d8a75fc8046c7c9119cea2c14bbeb28807306dfc","block_sha256":"0eed218b2943a7124e5cebb9d8a75fc8046c7c9119cea2c14bbeb28807306dfc","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_ba727bf3-8fdc-4595-b97e-f027a00eb1f1"},{"id":"occ_0f009067f1a4fad153c5129c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_c133d351-0a8b-472e-8780-861a4e6debc1","section_id":"sec_2de441c4-4d36-4cef-8cba-53c9a390dec6","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":208,"end":215,"exact":"3D DRAM","quote":"      ↓\n\nHot Memory\nSRAM\n\n        ↓\n\nWarm Memory\nHBM / 3D DRAM\n\n        ↓\n\nContext Memory\nDDR / CXL\n\n        ↓\n\nCold Memory\nHBF / NAND\n```","quote_start":153,"quote_end":291,"text_sha256":"d7fd904cce8188f71312727310582900f3fb2cc1a3486b9f6ea6fe38909439a8","block_sha256":"d7fd904cce8188f71312727310582900f3fb2cc1a3486b9f6ea6fe38909439a8","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_c133d351-0a8b-472e-8780-861a4e6debc1"},{"id":"occ_b7ae7affd47ca08a6d60d6c4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_c4908b59-7361-4c3d-87b3-20e953d9145a","section_id":"sec_aabac445-02f4-43bf-a71b-a642029b4a88","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":44,"end":51,"exact":"3D DRAM","quote":"```\nSRAM\n超低Latency\n数百MB\n100TB/s超\n        ↓\n\n3D DRAM\n数十～数百GB\n10～数十TB/s級\n        ↓\n\nHBM / DDR\nさらに大容量\n        ↓\n\nFlash\n```","quote_start":0,"quote_end":119,"text_sha256":"9914140e8fb580dd29b11baa926573cfbf57dd1c31492191d51fba1c16b89e92","block_sha256":"9914140e8fb580dd29b11baa926573cfbf57dd1c31492191d51fba1c16b89e92","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_c4908b59-7361-4c3d-87b3-20e953d9145a"},{"id":"occ_6682641fcf05a0d4e03ac927","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_c933fce7-cea1-4d52-bc0e-8c13951b0d99","section_id":"sec_f3ab7b05-f167-4a14-905d-c481d1c7ceab","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":28,"end":32,"exact":"DRAM","quote":"そして、この流れが本当に大規模化した場合、現在のHBM・DRAM不足を解決するどころか、別の場所へ半導体供給制約を移してしまう可能性がある。","quote_start":0,"quote_end":70,"text_sha256":"30dd4ec9cd916183bf9715c1bae38feb4ec3a5036eb0ffa6939629a9812eb3c2","block_sha256":"30dd4ec9cd916183bf9715c1bae38feb4ec3a5036eb0ffa6939629a9812eb3c2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_c933fce7-cea1-4d52-bc0e-8c13951b0d99"},{"id":"occ_84f4927cc2762cb470b2a854","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_d870901a-2e34-46ef-b004-93ed37796a17","section_id":"sec_600300e2-6c25-4273-b46b-aa3a1682c259","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"SRAMはこのDRAM manufacturing chainを必要としない。","quote_start":0,"quote_end":39,"text_sha256":"889e513e712beac9b35a560c71ac37da2bd3e96c9bf9aa680f09a68654c5d571","block_sha256":"889e513e712beac9b35a560c71ac37da2bd3e96c9bf9aa680f09a68654c5d571","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_d870901a-2e34-46ef-b004-93ed37796a17"},{"id":"occ_48a44a2443d39f6bced40f0b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_dc121acf-87f8-42ac-8591-c7bade981bb5","section_id":"sec_bfec3f9c-d0f7-49e7-ad24-18796db1c842","layer":"code","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":73,"end":80,"exact":"3D DRAM","quote":"12MB SRAM\n   ↑\nPredictive DMA\n   ↑\n144GB HBM3E\n   ↑\n将来 3D DRAM / HBF / Memory Pool\n```","quote_start":18,"quote_end":104,"text_sha256":"092ac37ee8c3b47721eb12826f331083dee6a6a2f46befb5dccd36368a09995d","block_sha256":"092ac37ee8c3b47721eb12826f331083dee6a6a2f46befb5dccd36368a09995d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_dc121acf-87f8-42ac-8591-c7bade981bb5"},{"id":"occ_5f8523d076de8c0a0a6eae94","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_de3106bd-7b43-46a0-966c-7738ba2391c8","section_id":"sec_32a8c2c2-25a0-4d76-bdb2-c8a817d5ac1e","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":9,"end":16,"exact":"3D DRAM","quote":"d-Matrix 3D DRAM目標：","quote_start":0,"quote_end":19,"text_sha256":"1915bdcc1ae075131c58c1ba12f5786ca1909a216b3c127ef38db07dcb36ca77","block_sha256":"1915bdcc1ae075131c58c1ba12f5786ca1909a216b3c127ef38db07dcb36ca77","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_de3106bd-7b43-46a0-966c-7738ba2391c8"},{"id":"occ_7307644246058d5077a518e6","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_de831fc0-7d8d-48a4-91a3-42ff95152aae","section_id":"sec_94dfe8df-5a91-4ab8-832b-971cae5148bc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":16,"end":20,"exact":"DRAM","quote":"CPUでもCacheが増えたからDRAMが消えたわけではない。","quote_start":0,"quote_end":31,"text_sha256":"f2dcbdcb56ae311c685520cedab8a9af0f6c1e802f056c5057bbe8f71b317d1b","block_sha256":"f2dcbdcb56ae311c685520cedab8a9af0f6c1e802f056c5057bbe8f71b317d1b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_de831fc0-7d8d-48a4-91a3-42ff95152aae"},{"id":"occ_722106cf817ea095c34b5d33","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e10c3be9-d7e3-4588-ba34-eedf5f9238f7","section_id":"sec_53a312b6-1f1e-4cd5-ac49-436b6583ab96","layer":"code","character_id":null,"count":42,"matched_aliases":["3D DRAM","DRAM"],"evidence":{"text_basis":"markdown","start":112,"end":116,"exact":"DRAM","quote":"向調査プロンプト\n# Groq / Cerebras / Rebellions / SRAM / HBM / DRAM / 3D DRAM / Advanced Logic Wafer\n\n現在公開されている最新情報をWeb上から調査し、\n\n・Groq\n・Cerebras\n・Rebellions\n\nを中心とするAI推論","quote_start":57,"quote_end":216,"text_sha256":"d0317e48e4b1d07ef5f65318f00612f0383f8a1fc5a3cb0eff562f64288a732a","block_sha256":"d0317e48e4b1d07ef5f65318f00612f0383f8a1fc5a3cb0eff562f64288a732a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e10c3be9-d7e3-4588-ba34-eedf5f9238f7"},{"id":"occ_6b9a40e13d7613a1dcb243b5","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e3e32aec-cfc5-4e7e-a160-371ee5818699","section_id":"sec_06b1b9b7-c9d6-4530-9b1e-5b5281540de4","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAMはSRAMより遅い。","quote_start":0,"quote_end":14,"text_sha256":"fcbf621f2e7be99a2a8738e97d8ebf595b79d92a2b4ab42121ffa26b5c68ff83","block_sha256":"fcbf621f2e7be99a2a8738e97d8ebf595b79d92a2b4ab42121ffa26b5c68ff83","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e3e32aec-cfc5-4e7e-a160-371ee5818699"},{"id":"occ_bb1e53011e1ec461fdf46f36","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_e722b713-6515-4c1e-8973-b52b32ae2917","section_id":"sec_16eb3f10-87f8-43bd-ba22-0d8b84ab6d54","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM：","quote_start":0,"quote_end":5,"text_sha256":"8df1aaafe30d129d3fac104551d8f8f7ffc697201285b30b7e8a540700b30e2b","block_sha256":"8df1aaafe30d129d3fac104551d8f8f7ffc697201285b30b7e8a540700b30e2b","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_e722b713-6515-4c1e-8973-b52b32ae2917"},{"id":"occ_ad2dfb6456d8902979adc85b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_ee45969b-17f4-4f2b-94a2-0b4e470ab7ac","section_id":"sec_47b48032-c3ac-4a95-b5a9-0ea1918910eb","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"SRAM市場をDRAMやNANDと同じ方法で測ろうとすると、","quote_start":0,"quote_end":30,"text_sha256":"f5c0bac4cb3b3d3beede0f59a70521113ff4bebd0a2ae749d40bc01a62b1a0e5","block_sha256":"f5c0bac4cb3b3d3beede0f59a70521113ff4bebd0a2ae749d40bc01a62b1a0e5","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_ee45969b-17f4-4f2b-94a2-0b4e470ab7ac"},{"id":"occ_3f9333ac5ad24d6ccc65c6bc","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_f95a0211-d807-4102-8334-c2c51c56177e","section_id":"sec_c145f12d-ef91-444a-aa9f-021cefda5024","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":6,"end":13,"exact":"3D DRAM","quote":"## 55．3D DRAMの最大問題も結局Yield","quote_start":0,"quote_end":26,"text_sha256":"164f46fe29d45fcdc741ea7b04d203b5e4f41647641032844005739c31ad966f","block_sha256":"164f46fe29d45fcdc741ea7b04d203b5e4f41647641032844005739c31ad966f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_f95a0211-d807-4102-8334-c2c51c56177e"},{"id":"occ_19b0097264004e3c5d80147d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_fa5401ab-2454-4a55-aabd-8c4ce6311860","section_id":"sec_1e77fb43-919d-4cbc-b059-9684f0207c15","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":30,"end":34,"exact":"DRAM","quote":"## SRAMによってInferenceが安くなり、HBM/DRAM需要まで再び増やす","quote_start":0,"quote_end":43,"text_sha256":"f6464fec244b6e648e83fdc52bc57d0e1c66d701ff32520b11f3ef8521ba4c23","block_sha256":"f6464fec244b6e648e83fdc52bc57d0e1c66d701ff32520b11f3ef8521ba4c23","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_fa5401ab-2454-4a55-aabd-8c4ce6311860"},{"id":"occ_3e02ff0ffc8ec33090b0396e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a","work_id":"wrk_72f5f141-da8e-4f5b-a337-f46180c37f2e","block_id":"blk_fb198fa7-f5fd-49f4-9561-250529aa6c82","section_id":"sec_2492b4d6-86ed-41cd-8d6f-bed9999d634e","layer":"body","character_id":null,"count":1,"matched_aliases":["3D DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":7,"exact":"3D DRAM","quote":"3D DRAMが予想以上に早く量産化する。","quote_start":0,"quote_end":21,"text_sha256":"b72e57bdb0e5f7226563a91491760dc69b35f93a0038e50759c8e8212957995a","block_sha256":"b72e57bdb0e5f7226563a91491760dc69b35f93a0038e50759c8e8212957995a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f76185ef-dd8b-44e4-a82a-7b8cc8225b9a/#blk_fb198fa7-f5fd-49f4-9561-250529aa6c82"},{"id":"occ_5934bf97e8933655d5a1339f","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f7f62641-cc2a-4f5f-806e-af380e2a434d","work_id":"wrk_b2d1f487-7fa7-47b4-82dd-6c46f607a69f","block_id":"blk_b331c43d-9eff-4da1-9c92-99993c98b98f","section_id":"sec_74616939-6ccb-4095-ac38-eb4d4cc3da31","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"電力問題がなくなってDRAMだけになるのではない。","quote_start":0,"quote_end":25,"text_sha256":"743947e63ba7f451271a141075da3f1fef000c9c4abe77fa5273e3e01786c6d3","block_sha256":"743947e63ba7f451271a141075da3f1fef000c9c4abe77fa5273e3e01786c6d3","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f7f62641-cc2a-4f5f-806e-af380e2a434d/#blk_b331c43d-9eff-4da1-9c92-99993c98b98f"},{"id":"occ_0893601b3330da4a99754d70","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_f7f62641-cc2a-4f5f-806e-af380e2a434d","work_id":"wrk_b2d1f487-7fa7-47b4-82dd-6c46f607a69f","block_id":"blk_d2f6382d-3079-42d7-b825-9e4c26fb49d2","section_id":"sec_f830d5d0-4b13-4c4f-b3bd-fd9d3989b2e7","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM Fabを増やす。","quote_start":0,"quote_end":13,"text_sha256":"b8f91dcef305adf76ffc48fae770a811835f679c1ecd3ee0420e4862b8183c2f","block_sha256":"b8f91dcef305adf76ffc48fae770a811835f679c1ecd3ee0420e4862b8183c2f","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_f7f62641-cc2a-4f5f-806e-af380e2a434d/#blk_d2f6382d-3079-42d7-b825-9e4c26fb49d2"},{"id":"occ_5ea744b8d2dc71222eb454e9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_1677bf62-2439-4b93-af47-39a7605041ef","section_id":"sec_b887b3da-932f-40fb-9485-f19270b880c9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":26,"end":30,"exact":"DRAM","quote":"スマホが売れないのにメモリが高い。PC需要が弱いのにDRAMが足りない。一般消費者が高い端末を買えないのに、AIサーバー投資は止まらない。そういう一見矛盾した状態が起きる。","quote_start":0,"quote_end":86,"text_sha256":"b17688e0ca1c9778129e393391cc1ee451ab0ff5174dddcac8f7918593c406e2","block_sha256":"b17688e0ca1c9778129e393391cc1ee451ab0ff5174dddcac8f7918593c406e2","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_1677bf62-2439-4b93-af47-39a7605041ef"},{"id":"occ_24cab7e32ef6512e50494c67","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_1cfd5836-8304-4685-977d-7f0556f857dd","section_id":"sec_b887b3da-932f-40fb-9485-f19270b880c9","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":59,"end":63,"exact":"DRAM","quote":"モリ企業にとって、必ずしも悪い話ではない。低価格スマホ向けの低単価メモリより、AIサーバー向けのHBM、高性能DRAM、エンタープライズSSDの方が高付加価値である。つまり、大衆端末のメモリ需要が減っても、AIインフラ側のメモリ需要が増えれば、メモリサイクルの構造はさらに変わる。","quote_start":4,"quote_end":144,"text_sha256":"dbf484c445f3eab7e986b14a570072ea58678c7e4c3283b46a3bfa1fa2841a2e","block_sha256":"dbf484c445f3eab7e986b14a570072ea58678c7e4c3283b46a3bfa1fa2841a2e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_1cfd5836-8304-4685-977d-7f0556f857dd"},{"id":"occ_b3c194cbc0262e03a7a24fb8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_255a818f-e1c5-4cc8-81b4-f507a4c73ee2","section_id":"sec_b887b3da-932f-40fb-9485-f19270b880c9","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":28,"end":33,"exact":"LPDDR","quote":"低価格端末がクラウド接続端末化すれば、スマホ側に積まれるLPDDRやNANDの量は抑えられるかもしれない。端末の性能を削り、AI処理をクラウドに逃がせば、消費者向けデバイスの部材コストはある程度下げられる。","quote_start":0,"quote_end":103,"text_sha256":"ddf89bdb1d00d4b11dc6cb82d30381eaf30256c6f8b00e8c8de6736d75edd06e","block_sha256":"ddf89bdb1d00d4b11dc6cb82d30381eaf30256c6f8b00e8c8de6736d75edd06e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_255a818f-e1c5-4cc8-81b4-f507a4c73ee2"},{"id":"occ_6b09537c423a0eebe7ea857e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_5a5fec53-711d-4cc7-8abd-4e7a704c939b","section_id":"sec_e012475b-c9f9-4af9-a3a5-58ad32f1d09a","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":78,"end":83,"exact":"LPDDR","quote":"でなく、AI PC、スマホ、車載、ロボット、産業機器、エッジサーバー、AI-RANに広がる。HBMだけでなく、LPDDR、DDR、NAND、ストレージ、CXL、車載メモリ、産業用メモリまで重要になる。","quote_start":23,"quote_end":123,"text_sha256":"b290e04b6ba279c2553a9637414ddaea89fe65360992f7c1938abc4d74f44819","block_sha256":"b290e04b6ba279c2553a9637414ddaea89fe65360992f7c1938abc4d74f44819","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_5a5fec53-711d-4cc7-8abd-4e7a704c939b"},{"id":"occ_c4c7708c834acfde4c29727d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_be6f1826-9368-4a60-a835-8a168b5f8d33","section_id":"sec_e012475b-c9f9-4af9-a3a5-58ad32f1d09a","layer":"body","character_id":null,"count":1,"matched_aliases":["LPDDR"],"evidence":{"text_basis":"markdown","start":185,"end":190,"exact":"LPDDR","quote":"クラウド企業、政府、製造業、エネルギー企業、半導体企業が担う。どちらの場合も、GPU、CPU、HBM、DDR、LPDDR、NAND、ストレージ、光通信、電源、冷却、ネットワーク、セキュリティが必要になる。","quote_start":130,"quote_end":232,"text_sha256":"fdbea07840a5d2dc822e61722bf111f5ee6f193fbe916cf1284396b601fc33a1","block_sha256":"fdbea07840a5d2dc822e61722bf111f5ee6f193fbe916cf1284396b601fc33a1","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_be6f1826-9368-4a60-a835-8a168b5f8d33"},{"id":"occ_39bd05dcb9e5c357bf1ff3b4","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_c6ba6a07-ce3c-4e4f-9d48-b2457829ae67","section_id":"sec_3958735d-a5ae-4fc5-9efc-438e5d74c221","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":110,"end":114,"exact":"DRAM","quote":"変化なのか、それともいつものメモリサイクルなのか」と疑う。HBM需要がどれほど強くても、AIデータセンター向けDRAMがどれほど不足していても、投資家の頭の中には「いずれ供給過剰になるのではないか」という警戒が残る。","quote_start":55,"quote_end":163,"text_sha256":"27d2ebb724c4fdd8d2f1c19bdeeda4f52c3ccbea90343b7953b1a49b041b1f06","block_sha256":"27d2ebb724c4fdd8d2f1c19bdeeda4f52c3ccbea90343b7953b1a49b041b1f06","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_c6ba6a07-ce3c-4e4f-9d48-b2457829ae67"},{"id":"occ_7726b7070899b79aafb2e87e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280","work_id":"wrk_a85448e1-149a-46bd-b7e9-d66795012c12","block_id":"blk_f3122e59-bebd-4e73-b9ef-4f96cb77b93a","section_id":"sec_3958735d-a5ae-4fc5-9efc-438e5d74c221","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":0,"end":4,"exact":"DRAM","quote":"DRAM、NAND、HBMは、これまで典型的なサイクル産業だった。需要が強くなると価格が上がり、利益が急増する。企業は投資を増やし、供給能力を拡張する。しかし、その供給が市場に出てくる頃には需要が鈍り、供給過","quote_start":0,"quote_end":104,"text_sha256":"81602b32c1e90b95d7e7025379d9591e43ae5c8f0f73b5bb92b952b6b8d3d15a","block_sha256":"81602b32c1e90b95d7e7025379d9591e43ae5c8f0f73b5bb92b952b6b8d3d15a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd4d1c88-70bf-4d6a-88e1-27b35ef0d280/#blk_f3122e59-bebd-4e73-b9ef-4f96cb77b93a"},{"id":"occ_5cdadb2d4c5cfd0cf7d1edb9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_045259dd-4e1b-480c-8a17-482a86402cb3","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"- DRAMダイの面積が大きい\n- 複数枚のダイを積層する\n- TSV形成が必要\n- ベースダイを使用する\n- 高度な検査と選別が必要\n- 先端パッケージング工程を必要とする","quote_start":0,"quote_end":87,"text_sha256":"14d1873860e47550e216dab12d031070c0c8ef001d9048a5ff14fba058a98217","block_sha256":"14d1873860e47550e216dab12d031070c0c8ef001d9048a5ff14fba058a98217","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_045259dd-4e1b-480c-8a17-482a86402cb3"},{"id":"occ_c0fb808d6b5b85f4f2b625ff","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_087b2e70-73b0-43c2-b25c-e995a5492a1e","section_id":"sec_d81f2769-dc8b-4836-a3c6-3f4e27f2c1f6","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":43,"end":47,"exact":"DRAM","quote":"```\n| 指標 | 2026年Q1 | 2026年Q2 | 市場の特徴 |\n| 汎用DRAM契約価格 | ＋90～95％ QoQ | ＋58～63％ | 歴史的な値上げ |\n| NAND契約価格 | ＋55～60％ | ＋70～75％ | AI向けへの能力集中 |\n| eSSD契約価格 | 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ASPにもeSSD、クライアントSSD、モバイル向け製品、NANDダイ販売などが含まれる。","quote_start":0,"quote_end":110,"text_sha256":"65e8df1720e5c95831ad55e66037180989b0b3d4b9272860d8de8e773f1b519d","block_sha256":"65e8df1720e5c95831ad55e66037180989b0b3d4b9272860d8de8e773f1b519d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_1e923a66-c247-4ed1-966a-530ebe36ef19"},{"id":"occ_01900e17cfc60ae050351804","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_1fa5fb70-76c4-4be6-88c6-079df18038e8","section_id":"sec_7251500c-aa59-4a7f-bd86-06aa195a7af6","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":40,"end":44,"exact":"DRAM","quote":"eSSD単独の利益率を算出するには、NANDダイの社内原価、コントローラー原価、DRAMキャッシュ、PCB・筐体、ファームウェア開発費、顧客認証費、保証費、販売管理費、減価償却費の配分などが必要になる。これらが非開示であるため、公開情報だけで正確に逆算することはできない。","quote_start":0,"quote_end":136,"text_sha256":"0702fb1679697ceecc795c347625cdfcfea4b1201bcb5a483b54ea3e89c84b58","block_sha256":"0702fb1679697ceecc795c347625cdfcfea4b1201bcb5a483b54ea3e89c84b58","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_1fa5fb70-76c4-4be6-88c6-079df18038e8"},{"id":"occ_8d5bb16c179c61a022809eb0","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_2630a112-6e3f-4132-97d3-ff75a004005c","section_id":"sec_43c8c4ba-93ac-4d0c-834d-00c795d89dcc","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":10,"end":14,"exact":"DRAM","quote":"HBMは2026年にDRAMウェハー能力の22％を消費しながら、ビット供給では9％にとどまる。2027年にはウェハー比率が30％へ上がるため、HBMの成長は汎用DRAM供給をさらに圧迫する。","quote_start":0,"quote_end":95,"text_sha256":"ad56c26fb40bafd3e20422ed514255a9da54d2e04491e5d77b0399ea3a1814b9","block_sha256":"ad56c26fb40bafd3e20422ed514255a9da54d2e04491e5d77b0399ea3a1814b9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_2630a112-6e3f-4132-97d3-ff75a004005c"},{"id":"occ_b2455f381f52a984f2113683","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_28d0c8f0-b625-4e47-936d-8a439e2494fc","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"年HBMのDRAMウェハー投入比率HBMのDRAMビット供給比率2025年末約18％約8％2026年末約22％約9％2027年末約30％約13％","quote_start":0,"quote_end":72,"text_sha256":"df051271917bf557b6f26aa15451b9842dfb5f3bbbfdaa3793f5ad980e7a5f32","block_sha256":"df051271917bf557b6f26aa15451b9842dfb5f3bbbfdaa3793f5ad980e7a5f32","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_28d0c8f0-b625-4e47-936d-8a439e2494fc"},{"id":"occ_b28c725c2c01caf2fc57ef76","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_3d5bb47b-3946-44fb-a258-de8abe7992d5","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"したがって現在のDRAM市場は、","quote_start":0,"quote_end":16,"text_sha256":"4e3bb3abb60ce57a4848b7e98d9ab07c6b187c771c946a85891144d26f902d45","block_sha256":"4e3bb3abb60ce57a4848b7e98d9ab07c6b187c771c946a85891144d26f902d45","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_3d5bb47b-3946-44fb-a258-de8abe7992d5"},{"id":"occ_39653b886f6a6887ed7ea7ee","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_4184f025-7eae-4dc3-9ebd-3d77d6e47907","section_id":"sec_43c8c4ba-93ac-4d0c-834d-00c795d89dcc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdo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hynixは、標準化されたメモリーを市況価格で販売する企業から、顧客のAIチップ、パッケージ、電力、冷却、DRAM、NAND、ストレージ階層を共同で設計する企業へ変わり始めている。","quote_start":1,"quote_end":93,"text_sha256":"34e1b90644439edb8981c8d5d287b5569d6aa3cc2d9dfb785da7ffc1bbc17ff9","block_sha256":"34e1b90644439edb8981c8d5d287b5569d6aa3cc2d9dfb785da7ffc1bbc17ff9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_4184f025-7eae-4dc3-9ebd-3d77d6e47907"},{"id":"occ_55b53e4c73459b784e99f8dd","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_4fd2cee5-3eba-482a-a00b-927726b22e43","section_id":"sec_6c2c4963-01dc-4ca7-890d-14d61b79b28c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":31,"end":35,"exact":"DRAM","quote":"歩留まり改善は、HBM4の利益率にも直接効く。不良品にも高価なDRAMダイ、ベースダイ、TSV、積層、パッケージング、検査費用が投入されるため、最終工程に近い段階で不良が発生するほど損失は大きい。良品率が上がれば、同じウェハー投入量と同じ設備から販売可能なHBM4を多く","quote_start":0,"quote_end":135,"text_sha256":"2d736bf95f0baa503dbde2ab26d64e880793c86ae614b40b8039c0ab09f31035","block_sha256":"2d736bf95f0baa503dbde2ab26d64e880793c86ae614b40b8039c0ab09f31035","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_4fd2cee5-3eba-482a-a00b-927726b22e43"},{"id":"occ_303369fc8966fe7ab894d311","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_516ba076-2966-4b48-b5f7-06ea47ecba77","section_id":"sec_83282301-d430-4874-9427-337efa2726f2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":25,"end":29,"exact":"DRAM","quote":"TrendForceはQ2の市場全体について、汎用DRAM契約価格を前四半期比58～63％、NAND契約価格を70～75％の上昇と予想していた。([TrendForce](https://www.trendforce.com/presscenter/news","quote_start":0,"quote_end":129,"text_sha256":"53306b7ce992c67cc8045cfc9e3a106f9e22aaae2323d65c27ce797150e677e0","block_sha256":"53306b7ce992c67cc8045cfc9e3a106f9e22aaae2323d65c27ce797150e677e0","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_516ba076-2966-4b48-b5f7-06ea47ecba77"},{"id":"occ_21fc7e6a340bbe36bcdc3791","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_531e601e-931f-45fc-bbe1-327fbf3ea37c","section_id":"sec_6c2c4963-01dc-4ca7-890d-14d61b79b28c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":13,"end":17,"exact":"DRAM","quote":"例えば12枚積層製品で、各DRAMダイが要求仕様を満たす確率を単純に98％と置くと、12枚すべてが正常である確率は約78.5％となる。各ダイの確率が99％へ1ポイント改善すると、12枚すべてが正常である確率は約88.6％まで上昇する。","quote_start":0,"quote_end":117,"text_sha256":"6af5cacffd3d7511c2931251fd86b2d4e5a1d214b77c6be32955e0a7f37c145d","block_sha256":"6af5cacffd3d7511c2931251fd86b2d4e5a1d214b77c6be32955e0a7f37c145d","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_531e601e-931f-45fc-bbe1-327fbf3ea37c"},{"id":"occ_e51b295d52ab3857e80d7dc8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_58110d73-4eb8-420c-99ef-801fdf385fe6","section_id":"sec_6c2c4963-01dc-4ca7-890d-14d61b79b28c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":93,"end":97,"exact":"DRAM","quote":"。「HBM3Eに近い」という説明も、HBM4の歩留まりがHBM3Eと完全に同じになったことを意味しない。また、DRAMダイ、TSV形成、積層、ベースダイ、最終パッケージ、顧客認証のどの段階を分母としているかも明らかにされていない。そのため、外部からHBM4の歩留まりを70％、80％などと確定することはできない。","quote_start":38,"quote_end":194,"text_sha256":"bd20e118b40a544720ca98cd06486f61971e83f468f03cb0acf284c82f911ffa","block_sha256":"bd20e118b40a544720ca98cd06486f61971e83f468f03cb0acf284c82f911ffa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_58110d73-4eb8-420c-99ef-801fdf385fe6"},{"id":"occ_621ba8a3159f32efaec541a8","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355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NANDなどの数量増加である。","quote_start":0,"quote_end":57,"text_sha256":"f5d70418d7cb032c854f5908f3381b2463199095e0863b8f30dae5ebd5f5fedd","block_sha256":"f5d70418d7cb032c854f5908f3381b2463199095e0863b8f30dae5ebd5f5fedd","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_6a145528-ee51-4863-a32c-0e1a11a66799"},{"id":"occ_1d6f9cf69813f82912fdf76b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_79d03021-789c-4444-bc83-0a51e5145c2a","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":48,"end":52,"exact":"DRAM","quote":"> GPUの隣に置かれるHBM  \n> だけではなく、  \n> AIサーバー全体を支えるシステムDRAM","quote_start":0,"quote_end":52,"text_sha256":"88799e2f58c8659b24f9291929b36c92dc146e2dc39e5c2d30ce2d20a56c8f07","block_sha256":"88799e2f58c8659b24f9291929b36c92dc146e2dc39e5c2d30ce2d20a56c8f07","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_79d03021-789c-4444-bc83-0a51e5145c2a"},{"id":"occ_286b8d36ce0cbf7b19f1f929","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_79ebd82e-a4c4-44dd-a666-d33589916d00","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"ただし、DRAM市場はすべての用途で均一に強いわけではない。","quote_start":0,"quote_end":30,"text_sha256":"1e86d32fb4ed143a1516ed3407c1de8c25a51ddff1c4ee6bfdad8c2239adf7e9","block_sha256":"1e86d32fb4ed143a1516ed3407c1de8c25a51ddff1c4ee6bfdad8c2239adf7e9","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_79ebd82e-a4c4-44dd-a666-d33589916d00"},{"id":"occ_e3e8110839967dd20395b7a1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_7f816516-fd1c-44c9-b032-35e7f86e4897","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":5,"matched_aliases":["DDR5","DRAM","GDDR","LPDDR"],"evidence":{"text_basis":"markdown","start":21,"end":25,"exact":"DRAM","quote":"> HBMの増産  \n> ↓  \n> 汎用DRAMへ回せるウェハー能力の減少  \n> ↓  \n> DDR5・LPDDR・GDDRの供給逼迫  \n> ↓  \n> 汎用DRAM価格の上昇","quote_start":0,"quote_end":91,"text_sha256":"cac7a76eacd0c73374bccf0d4d361407134bf8d7e4e9132953308c6e517f97db","block_sha256":"cac7a76eacd0c73374bccf0d4d361407134bf8d7e4e9132953308c6e517f97db","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_7f816516-fd1c-44c9-b032-35e7f86e4897"},{"id":"occ_2daf6bb337f0d3c0e6017ebe","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_7fc69630-bdd2-4570-8fc0-5476e0cb095b","section_id":"sec_d23979fc-b415-4c12-96fd-3bab305a4038","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":120,"end":124,"exact":"DRAM","quote":"いう過去最高の内容となった。前年同期比では売上高が257％、営業利益が557％増加し、HBM、AIサーバー向けDRAM、eSSDを中心とする高付加価値製品が成長をけん引した。","quote_start":65,"quote_end":152,"text_sha256":"28741b2cfbe698511d09b8c759576c26a118034e9dcef2c7758418706bf5fd80","block_sha256":"28741b2cfbe698511d09b8c759576c26a118034e9dcef2c7758418706bf5fd80","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_7fc69630-bdd2-4570-8fc0-5476e0cb095b"},{"id":"occ_64794055ac5476b54be70e8d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_95cbf306-7f6b-45ca-9749-13d998f4829d","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":5,"end":9,"exact":"DRAM","quote":"大手3社のDRAMウェハー投入量に占めるHBMの割合は、次のように上昇すると予測されている。","quote_start":0,"quote_end":46,"text_sha256":"c874bb8db6d8c2ac30081a37f6211c49979c5b5db474bdbd620f6395dc635315","block_sha256":"c874bb8db6d8c2ac30081a37f6211c49979c5b5db474bdbd620f6395dc635315","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_95cbf306-7f6b-45ca-9749-13d998f4829d"},{"id":"occ_a896817963c4a881db67676c","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_9775be0e-782a-44b6-8ed9-e3989387a5b6","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"HBM・サーバーDRAMでは需要超過が続く一方、PC・スマートフォンでは部品価格上昇により、端末メーカーが搭載容量や生産計画を見直し始めている。","quote_start":0,"quote_end":72,"text_sha256":"3106fd84c6141b406c772b142ce073e05636594a8abe1126f4dd5d7573f6c02e","block_sha256":"3106fd84c6141b406c772b142ce073e05636594a8abe1126f4dd5d7573f6c02e","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_9775be0e-782a-44b6-8ed9-e3989387a5b6"},{"id":"occ_5a346606ff8b2c3889fc2040","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_aa73d6fb-f95e-41aa-9ed7-a09572aab630","section_id":"sec_43c8c4ba-93ac-4d0c-834d-00c795d89dcc","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DRAM","quote":"コンセンサス未達の中心は利益率ではなく、HBMと長期契約の比率が高いSK hynixへ、汎用DRAM・NANDの急騰を強く当てはめすぎたことにある。","quote_start":0,"quote_end":74,"text_sha256":"451fce5aed52f0a0523d108c4ddfa58f3ae8fd6dcc389917ff33994f2281a3ec","block_sha256":"451fce5aed52f0a0523d108c4ddfa58f3ae8fd6dcc389917ff33994f2281a3ec","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_aa73d6fb-f95e-41aa-9ed7-a09572aab630"},{"id":"occ_b19d0b7a29643c754bd7b4ad","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_b2f3159b-8991-48af-bfd6-8602581766c5","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":45,"end":49,"exact":"DRAM","quote":"SK hynixでも、Q2にSOCAMM2の売上が大幅に増加し、10nm級第6世代の1c DRAM製品の出荷が本格化した。([SK hynix Newsroom](https://news.skhynix.com/en/q2-2026-business-results/))","quote_start":0,"quote_end":137,"text_sha256":"55468d316f13b60bff7deb54027dd172a92290b30d49f46d91f918fea563976c","block_sha256":"55468d316f13b60bff7deb54027dd172a92290b30d49f46d91f918fea563976c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_b2f3159b-8991-48af-bfd6-8602581766c5"},{"id":"occ_eb9fd0003fbf5a56acb4e277","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_b32c5055-e1b7-47b5-a58b-32320c75f82c","section_id":"sec_b89280d8-d416-4976-93fa-9ff2fbd018bf","layer":"body","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":34,"end":38,"exact":"DRAM","quote":"SamsungのHBM4供給が増えればHBM不足は緩和する一方、同じDRAMウェハー能力を使用する汎用DRAMの供給はさらに圧迫される可能性がある。","quote_start":0,"quote_end":74,"text_sha256":"26ab11b8aa3b8b7617f15aa5a94440396ed85009ae167e05f855a3bf783d84a4","block_sha256":"26ab11b8aa3b8b7617f15aa5a94440396ed85009ae167e05f855a3bf783d84a4","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_b32c5055-e1b7-47b5-a58b-32320c75f82c"},{"id":"occ_e3629ac607df66faa61e726d","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_bcf7c819-ede3-4d31-82ae-a5433c64ec67","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","DRAM"],"evidence":{"text_basis":"markdown","start":78,"end":82,"exact":"DDR5","quote":"ベースサーバー、RAGサーバー、ストレージサーバー、ネットワーク制御サーバーも同時に増設される。これらは大容量DDR5 RDIMM、低消費電力DRAM、SOCAMM2、CXLメモリーなどを必要とする。","quote_start":23,"quote_end":123,"text_sha256":"865ff9ea862a105baa567e94d9e9ee9f9ed72170875853a35d77583af0531b33","block_sha256":"865ff9ea862a105baa567e94d9e9ee9f9ed72170875853a35d77583af0531b33","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_bcf7c819-ede3-4d31-82ae-a5433c64ec67"},{"id":"occ_11ff5f997f62e35a22197be1","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_c233377d-a60e-4061-851b-6f0eeb59a952","section_id":"sec_83282301-d430-4874-9427-337efa2726f2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":14,"end":18,"exact":"DRAM","quote":"SK hynixのQ2では、DRAMの平均販売価格、ASPが前四半期比約30％、NAND ASPが50％台半ば上昇したと報じられている。いずれも非常に強い伸びだが、同時期の市場価格上昇はさらに大きかった。([TrendForce](ht","quote_start":0,"quote_end":118,"text_sha256":"19a3ef828347318e13f945c3d8fc23f2beb8028942f44b6b1ae25e5ce001c275","block_sha256":"19a3ef828347318e13f945c3d8fc23f2beb8028942f44b6b1ae25e5ce001c275","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_c233377d-a60e-4061-851b-6f0eeb59a952"},{"id":"occ_a874e3cdf75d535929ff1e64","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_c7900adc-2f77-4e1e-b402-89bd0edc5e95","section_id":"sec_83282301-d430-4874-9427-337efa2726f2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":80,"end":84,"exact":"DRAM","quote":"HBMは高価で高収益な製品だが、価格と数量の多くが年間契約や複数年契約で早期に決められる。そのため、Q2に汎用DRAMが急騰しても、契約済みのHBM価格が同じ速度で上がるわけではない。","quote_start":25,"quote_end":117,"text_sha256":"62692ac200c12a282b0ccd297e4b781430c1a95c9fdd7a149c42d7779ce85747","block_sha256":"62692ac200c12a282b0ccd297e4b781430c1a95c9fdd7a149c42d7779ce85747","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_c7900adc-2f77-4e1e-b402-89bd0edc5e95"},{"id":"occ_10db5af866c9b1276476b18a","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_d39549c3-ad70-4c4a-a4ad-dffe9b78c4aa","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":24,"end":28,"exact":"DRAM","quote":"ため、同じ容量を生産する際のウェハー消費量が汎用DRAMより大きい。","quote_start":0,"quote_end":34,"text_sha256":"e0cfc70967bb789c97c56cfef56ed2fcf615e238fd08548fe9c9b06b59666efe","block_sha256":"e0cfc70967bb789c97c56cfef56ed2fcf615e238fd08548fe9c9b06b59666efe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_d39549c3-ad70-4c4a-a4ad-dffe9b78c4aa"},{"id":"occ_3ffda9a03fa342c8a4d52f21","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_d6f41685-69c1-4639-9876-4fe8a9f36c78","section_id":"sec_bd10b047-cc47-4890-94b5-b64205f7786c","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":2,"end":6,"exact":"DRAM","quote":"- DRAM・NAND ASPが期待以下\n- ビット出荷量が弱い\n- PC・スマートフォン顧客の調整が長い\n- 在庫積み増しが止まっている","quote_start":0,"quote_end":69,"text_sha256":"19fdc857f07e202d8daed3211d1c71378421f2b998727c9d2bdf12e8b63a2bbe","block_sha256":"19fdc857f07e202d8daed3211d1c71378421f2b998727c9d2bdf12e8b63a2bbe","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_d6f41685-69c1-4639-9876-4fe8a9f36c78"},{"id":"occ_6bd2160d34c68d465aa82f2e","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_d8de9690-1382-47b8-9fef-a6f9cc37a522","section_id":"sec_d23979fc-b415-4c12-96fd-3bab305a4038","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":17,"end":21,"exact":"DRAM","quote":"## 76％の営業利益率、HBM・DRAM・NANDの供給逼迫、そして「顧客別メモリー」への構造転換","quote_start":0,"quote_end":50,"text_sha256":"7eb477d6caab315a2c508a76dc77ac089ab2d3bcf0ab257c2d8c908b8f753167","block_sha256":"7eb477d6caab315a2c508a76dc77ac089ab2d3bcf0ab257c2d8c908b8f753167","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_d8de9690-1382-47b8-9fef-a6f9cc37a522"},{"id":"occ_dc48bab8a4767ab47d75cc72","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_e5108dd7-d474-4c1f-aee9-66f556172138","section_id":"sec_1327ac50-691b-4ea9-a415-653e0d2500f6","layer":"code","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":125,"end":129,"exact":"DRAM","quote":"| 顧客集中度が上がる |\n| 共同設計で乗り換えにくくなる | 顧客の製品遅延に影響される |\n| HBM・DRAM・SSDを一括提案できる | 研究開発・認証費用が増える |\n| 市況下落時の利益を守りやすい | カスタム品を他用途へ転用しにくい |\n| 収益の予見性が高まる | 契約数量と実需が乖離する可能性 ","quote_start":70,"quote_end":229,"text_sha256":"77d329e871caabb83c11a69f2fa087822cbd03622d5e3bf9e3a0690ddb2edd5a","block_sha256":"77d329e871caabb83c11a69f2fa087822cbd03622d5e3bf9e3a0690ddb2edd5a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_e5108dd7-d474-4c1f-aee9-66f556172138"},{"id":"occ_511aaa6eb8eb22352d173d3b","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_e88577cd-5b2b-4c31-bd22-df00f9d3434f","section_id":"sec_2040c473-09f7-4238-897e-2e2032f78557","layer":"code","character_id":null,"count":2,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":151,"end":155,"exact":"DRAM","quote":" AIチップ出荷の延期 |\n| HBM4 | 下半期に量産拡大 | 歩留まり悪化・売上後ずれ |\n| サーバーDRAM | 二桁の価格・容量成長 | 顧客在庫の増加 |\n| PC・モバイルDRAM | 供給規律維持 | 需要破壊が供給減を上回る |\n| NAND需給 | 2027年までタイト | 2027年後半の供給","quote_start":96,"quote_end":255,"text_sha256":"b8b2c71771882adb7c4885d3f8aaf196585f61b80131af5893c83cf849582caa","block_sha256":"b8b2c71771882adb7c4885d3f8aaf196585f61b80131af5893c83cf849582caa","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_e88577cd-5b2b-4c31-bd22-df00f9d3434f"},{"id":"occ_967d016600f94e3aeb81edb9","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_e97875e6-fe0f-4d16-8576-165b37844277","section_id":"sec_83282301-d430-4874-9427-337efa2726f2","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":4,"end":8,"exact":"DRAM","quote":"> 汎用DRAM・NAND価格が急騰  \n> ↓  \n> 市場がその上昇率をSK hynix全体へ広く適用  \n> ↓  \n> 実際にはHBM・LTA対象品の価格改定が緩やか  \n> ↓  \n> 全社ASPと売上高が","quote_start":0,"quote_end":108,"text_sha256":"97a029921b06d9005811f80e116a0dbd3ece231c012896ecc46d7cc016d05a6a","block_sha256":"97a029921b06d9005811f80e116a0dbd3ece231c012896ecc46d7cc016d05a6a","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_e97875e6-fe0f-4d16-8576-165b37844277"},{"id":"occ_c2784d6279fcd3be0763aa37","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_f22919ec-a0fd-4aca-9a29-c7d6d3a424d9","section_id":"sec_16734d98-b60e-4896-8bcf-741012cb4035","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":8,"end":12,"exact":"DRAM","quote":"2026年には、DRAMビット供給の9％を作るために、ウェハー投入能力の22％を使う計算になる。","quote_start":0,"quote_end":48,"text_sha256":"9a9260c648ec3a768398ba8467c22ecb0f99d576de1a46a55dcd893a1190728c","block_sha256":"9a9260c648ec3a768398ba8467c22ecb0f99d576de1a46a55dcd893a1190728c","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_f22919ec-a0fd-4aca-9a29-c7d6d3a424d9"},{"id":"occ_5904858a39bf92df336d4a95","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_f589d8d9-d20f-4cb9-bb4e-f5576f71f99b","section_id":"sec_fb8c7deb-f4b3-46f2-a752-d9660fdd8b02","layer":"body","character_id":null,"count":1,"matched_aliases":["DRAM"],"evidence":{"text_basis":"markdown","start":7,"end":11,"exact":"DRAM","quote":"## 5．汎用DRAM――HBMに能力を奪われながら、AIサーバー需要も増える","quote_start":0,"quote_end":39,"text_sha256":"449d18d6010d358ec4d2942c19c044b226d6c940ee09f7ac615d4e90c5bfd1ca","block_sha256":"449d18d6010d358ec4d2942c19c044b226d6c940ee09f7ac615d4e90c5bfd1ca","offset_unit":"unicode_code_point"},"detection_method":"deterministic_literal","dictionary_revision":"topics-20260909-v1","review_status":"automatic_match","role":"unassessed","href":"articles/rev_fd5eeabd-4433-491f-b463-c900cf908355/#blk_f589d8d9-d20f-4cb9-bb4e-f5576f71f99b"},{"id":"occ_4d92b70ab0c27d6cc78c8248","topic_id":"top_eda38839-376f-4d3d-9e9e-1b7b654c3df7","revision_id":"rev_fd5eeabd-4433-491f-b463-c900cf908355","work_id":"wrk_d47ffc56-09dd-4f57-a300-be2346278872","block_id":"blk_fdd109ed-fcfb-4157-bb0f-9306bdb2ab37","section_id":"sec_1327ac50-691b-4ea9-a415-653e0d2500f6","layer":"body","character_id":null,"count":2,"matched_aliases":["DDR5","LPDDR"],"evidence":{"text_basis":"markdown","start":46,"end":50,"exact":"DDR5","quote":"- 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