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Altera_Forum
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11 years ago

TimeQuest Fmax Calculation

Hi, I have been studying Altera's tutorials on digital logic. There is a question about maximum operation frequency using Timing Analyzer. I've read another tutorial on TimeQuest Timing Ana...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Did you run Report Minimum Pulse Width? I believe that is where your Restricted Fmax is determined. It's not part of setup/hold/rec/rem analysis. There should be something in your default timing reports that is red and shows failing, which I believe will be the Report Minimum Pulse Width. (It's not the best at clearly explaining why something failed, but usually gives enough detail to figure out the block and then you can find it in the data sheet.) But I am certain there is nothing Report Fmax does that isn't done elsewhere, and there's really no need to have it except some users like it.