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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Clock uncertainty warnings under 10.0

I have a project that works fine under 9.0 - no timing violations. I upgraded to 10.0 and rebuilt without any warnings. If I now go into TimeQuest and perform a derive_clock_uncertainty followed by...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Yes, just have derive_clock_uncertainty in your .sdc. (I still recommend NOT having TimeQuest write out the .sdc, but either way, you don't need to manually put them in and can just have derive_clock_uncertainty. The netlist update is always run before timing analysis...)