Fast Methods to Estimate Clock Jitter due to Power Supply Noise(<Special Section>Selected Papers from the 19th Workshop on Circuits and Systems in Karuizawa)

概要

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In this paper, we propose two methods to estimate clock jitter caused by power supply noise in a LSI (Large-Scale Integrated circuit). One of the methods enables estimation of clock jitter at the initial design stage before floor-planning. The other method reduces simulation time of clock distribution network to analyze clock jitter at the design verification stage after place-and-route of the chip. For an example design, the relative difference between clock jitter estimated at the initial design stage and that of the design verification stage is 23%. The example result also shows that the proposed method for the verification stage is about 24 times faster than the conventional one to analyze clock jitter.
社団法人電子情報通信学会の論文
2007-04-01