A Process Variation Compensation Scheme Using Cell-Based Forward Body-Biasing Circuits Usable For 1.2v Design

Fumihiko Tachibana,Hironori Sato,Takahiro Yamashita,Hiroyuki Hara,Takeshi Kitahara,Shuou Nomura,Fumiyuki Yamane,Yoshiro Tsuboi,Keiko Seki,Shuuji Matsumoto,Yoshinori Watanabe,Mototsugu Hamada

PROCEEDINGS OF THE IEEE 2008 CUSTOM INTEGRATED CIRCUITS CONFERENCE（2008）

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摘要

A cell-based forward body-biasing technique to suppress the global process variation and its design flow are proposed. Latch-up free operation is guaranteed by embedded current source cells and limiter cells even when supply voltage is 1.2V with small area overhead. By applying this technique to a media processor, the worst-case delay is reduced by 20% without sacrificing the maximum leakage spec.

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关键词

process variation,design flow,media,integrated circuit design,limiters,media processor,logic gates,bipolar transistors,system on a chip

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