Integration Design and Process of 3-D Heterogeneous 6T SRAM with Double Layer Transferred Ge/2Si CFET and IGZO Pass Gates for 42% Reduced Cell Size

X. R. Yu, M. H. Chuang, S. W. Chang, W. H. Chang, T. C. Hong, C. H. Chiang, W. H. Lu, C. Y. Yang, W. J. Chen, J. H. Lin, P. H. Wu, T. C. Sun, S. Kola, Y. S. Yang, Yun Da, P. J. Sung, C. T. Wu, T. C. Cho, G. L. Luo, K. H. KaoM. H. Chiang, W. C.Y. Ma, C. J. Su, T. S. Chao, T. Maeda, S. Samukawa, Y. Li, Y. J. Lee, W. F. Wu, J. H. Tarng, Y. H. Wang

研究成果: Conference contribution

12 引文 斯高帕斯(Scopus)

摘要

In this work, we propose an advanced 3-D heterogeneous 6T SRAM with a newly designed hetero-integration method. CFET inverters and IGZO pass gates are vertically stacked within a 2T footprint area. The Low-Temperature Hetero-Layers Bonding Technique (LT-HBT) process is utilized successfully to fabricate single crystalline heterogeneous Double Layer Transferred (DLT) Ge/2Si CFET-OI on an 8-inch full wafer. Furthermore, an IGZO nFET is deposited and treated as a pass gate (PG) to realize a 6T SRAM operation. The hetero-integration of IGZO PG and self-align DLT Ge/2Si CFET inverters showed improved Read Static Noise Margin (RSNM) and stand-by leakage power. The state-of-the-art 3-D heterogeneous 6T SRAM leads to 42% area reduction.

原文English
主出版物標題2022 International Electron Devices Meeting, IEDM 2022
發行者Institute of Electrical and Electronics Engineers Inc.
頁面2051-2054
頁數4
ISBN(電子)9781665489591
DOIs
出版狀態Published - 2022
事件2022 International Electron Devices Meeting, IEDM 2022 - San Francisco, United States
持續時間: 2022 12月 32022 12月 7

出版系列

名字Technical Digest - International Electron Devices Meeting, IEDM
2022-December
ISSN(列印)0163-1918

Conference

Conference2022 International Electron Devices Meeting, IEDM 2022
國家/地區United States
城市San Francisco
期間22-12-0322-12-07

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 材料化學
  • 電氣與電子工程

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