Nofault blocks in ATPG for STA

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raviram80

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Hi All,

I have a question regarding nofaults in ATPG tool,

If I mark some block as no fault for ATPG vector generation, can I mark all the paths inside that block and from inside that block as false in STA runs??

ATPG tool will not put faults and generate patterns for such blocks

Am I right,

Thanks
 

At the same time, make sure there are no "scan-shift" paths you end up masking in STA. That can lead to disaster even if no-faulting the modules.
 

Why would you not do timing analysis?

Your design may not operate correctly if you don't do timing analysis on parts of it. So you should do timing
analysis on the whole design.
 

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