Presentation 2000/11/23
A Statistical Static Timing Analyzer for CMOS Combinatorial Circuits Considering Correlations Between Delays
Shuji Nishimoto, Shuji Tsukiyama, Masakaz Tanaka, Masahiro Fukui,
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Abstract(in English) The VLSI physical design in deep sub-micron era requires a technique for estimating effects caused by manufacturing fluctuations on circuit performance, especially the critical path delay, so as to produce circuits satisfying required performances with high yield. If designers can estimate the distribution of critical path delays caused by manufacturing fluctuations, they can eliminate excessive margins so that they can design low power and high density circuits. In this paper, we present a new algorithm to estimate the distribution of the critical path delay of CMOS combinatorial circuits, with the use of the normal distribution as the model of delay fluctuations. The algorithm can treat not only correlations between distributions of path-delays but also correlations between distributions of transistor delays in a logic gate and between interconnect delays.
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Keyword(in English) static timing analysis / statistical approach / correlations / CMOS combinatorial circuits
Paper # VLD2000-71,ICD2000-128,FTS2000-36
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Committee VLD
Conference Date 2000/11/23(1days)
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Registration To VLSI Design Technologies (VLD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Statistical Static Timing Analyzer for CMOS Combinatorial Circuits Considering Correlations Between Delays
Sub Title (in English)
Keyword(1) static timing analysis
Keyword(2) statistical approach
Keyword(3) correlations
Keyword(4) CMOS combinatorial circuits
1st Author's Name Shuji Nishimoto
1st Author's Affiliation Department of Electrical, Electronic, and Communication Engineering, Chuo University()
2nd Author's Name Shuji Tsukiyama
2nd Author's Affiliation Department of Electrical, Electronic, and Communication Engineering, Chuo University
3rd Author's Name Masakaz Tanaka
3rd Author's Affiliation Advanced LSI Tecnology Development Center Corporate Semiconductor Development Division Matsushita Electric Industrial Co., Ltd.
4th Author's Name Masahiro Fukui
4th Author's Affiliation Advanced LSI Tecnology Development Center Corporate Semiconductor Development Division Matsushita Electric Industrial Co., Ltd.
Date 2000/11/23
Paper # VLD2000-71,ICD2000-128,FTS2000-36
Volume (vol) vol.100
Number (no) 473
Page pp.pp.-
#Pages 6
Date of Issue