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Altera_Forum's avatar
Altera_Forum
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15 years ago

gate level simulations , wrong fmax

when i make gate level by linking modelsim simulator to quartus. the classic time simulator report that fmax = 170 MHz. but on gate level the output would be true only at f = 100 MHz. tha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Ah.

Sorry, I misread you.

You're having timing errors in gate level simulation.

Well, my first suggestion would be: use TimeQuest instead of the Classical Timming Analyzer.