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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

The Classical Timming Simulator only tells you that the desing Quartus produced will work at 170 MHz.

The frequency at which you are actually simulating the design is whatever you set in ModelSim: 110 MHz.