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clock signal crosstalk

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oAwad

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Hello all,

I used HSIM to simulate a layout design with extracted parasitics operating with 200Mhz clk, the output of the simulation shows crosstalk between the clock signal and v(out[2]) as follows:

q1.PNG

So are there certain procedures to take care of when designing layouts at high frequency ("Design compiler > SoC Encounter" flow)?
 

Well, yeah, several approaches. The simplest one is to keep clock spaced out from signal using a routing rule.
 

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