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WHAT DOES THIS POST-SIM SDF ERROR MESSAGE MEAN?

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mediatek

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what does sdf mean

SDF Error: Negative DELAY ignored and replaced by 0.

what situation VCS compiler (include SDF) will ignore Negative Delay
How to FIX this error ?
 

negative delay ignored

mediatek said:
SDF Error: Negative DELAY ignored and replaced by 0.

what situation VCS compiler (include SDF) will ignore Negative Delay
How to FIX this error ?
Click to expand...

Do a vcs -help, you will find:

----
+neg_tchk
Enables negative values in timing checks.
---

HTH
Aji
 

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