What are the false paths in a design ?

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brmadhukar

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False paths

what are false paths w.r.t. hardware design
BRM
 

Re: False paths

If you speak about digital design it can be refers to
1-some input changes don’t cause output changes.
2-A false path is a path which cannot be exercised due to Boolean gate conditions.
3-False paths cause pessimistic delay estimates.
 

Re: False paths

False path occurs when there is no propagation of data along that path.
if u have a path which is very much slower than ur clock, even then there may be occurance false path. Paths from master reset signals are often false for a similar reason. Often reset sequences occur over many clock cycles, and it doesn't matter exactly when a particular register is reset.
 

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