An Algorithm to Calculate Correlation Coefficients between Interconnect Delays for Use in Statistical Timing Analysis (VLSI Design Technology and CAD)
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概要
- 論文の詳細を見る
As process technologies decrease below a hundred nanometers, the variability of circuit parameters increases, and statistical timing analysis, which analyzes the distribution of the critical delay of a circuit, is receiving a great deal of attention. In such statistical approaches, correlations between random variables are important to the accuracy of analysis. Since interconnect delays dominate in recent technology, their correlations are of primary concern in statistical timing analysis. In this paper, we propose an efficient algorithm for calculating correlation coefficients between Elmore interconnect delays with the use of Gaussian distributions. Our algorithm is efficient and yields reasonable results for correlations between interconnect delays of different nets. In order to evaluate the performance of the proposed algorithm, we show experimental results compared against Monte-Carlo simulations using SPICE.
- 社団法人電子情報通信学会の論文
- 2006-02-01
著者
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TSUKIYAMA Shuji
Department of Electrical, Electronic and Communication Engineering, Chuo University
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Tsukiyama Shuji
Chuo Univ. Tokyo Jpn
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Tsukiyama Shuji
The Department Of Electronics And Electronics Engineering Chuo University
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TOMITA Masahiko
Olympus Medical Systems Corp.
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