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Altera_Forum's avatar
Altera_Forum
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17 years ago

Quartus simulator timing warnings

Hi all, I'm a newbie to CPLDs but have compiled a few systems on Quartus ready for programming. I have had warnings displayed about clock skew and latching errors but I can't resolve these by c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi,

clock skew and latching issues are serious. Your Fmax wouldn't help.

Fmax is only a security against Tsu violations(setup time for flipflops), it does not help with hold time violations. You must make sure you have no timing problems reported.