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Altera_Forum's avatar
Altera_Forum
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8 years ago

Random results in timing closure

Hello all, I am working with a design where TimeQuest reports paths not meeting setup by a very small margin, 1-2% of the clock freq. There are only a handful of paths, and every time I change ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

I understand that TimeQuest is just analysis. But I get better results when I manually add in some margin by telling the fitter about extra uncertainty, and not telling TimeQuest about that.

The paths aren't particularly difficult, no reason to go add flops