Analytical modeling of crosstalk noise waveforms using Weibull function

IEEE/ACM International Conference on Computer Aided Design, 2004. ICCAD-2004. Pub Date : 2004-11-07 DOI:10.1109/ICCAD.2004.1382561

Alireza Kasnavi, Joddy W. Wang, M. Shahram, Jindrich Zejda

引用次数: 19

Abstract

To analyze the failure of a CMOS circuit due to glitches induced by capacitive crosstalk, noise immunity curves (a.k.a. noise rejection curve) must be characterized. However, noise waveform models currently used for characterization such as ideal triangle and trapezoid can underestimate the propagated noise pulse by over 20% and result in missed violations. We provide an analytical solution to fit any given crosstalk noise waveform to a Weibull function, which can generate identical propagated glitch heights compared to SPICE, resulting in accurate noise immunity curves.

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基于威布尔函数的串扰噪声波形分析建模

为了分析由电容串扰引起的CMOS电路故障，必须对噪声抗扰曲线(又称噪声抑制曲线)进行表征。然而，目前用于表征的噪声波形模型，如理想三角形和梯形，可能会低估20%以上的传播噪声脉冲，导致错过违规。我们提供了一种解析解来拟合任何给定的串扰噪声波形到威布尔函数，与SPICE相比，它可以产生相同的传播故障高度，从而产生准确的噪声抗扰曲线。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE/ACM International Conference on Computer Aided Design, 2004. ICCAD-2004.

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