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Yes, that is what I thought too. I cant see why it should be that slow, going by the datasheet, and obviously the real thing is not that slow. I can make it simulate slightly faster by automatically selecting input/output pins but this yields a simulated 5ns improvement only (still >20ns for such a simple assignment).
I tried repeating the experiment using an EPM3032ATC44-4 (4ns). Both the timing simulation and real device timing agree pretty well and both match the performance that I would expect.
So is there maybe a setting somewhere for the FLEX device that I am missing? This is an early version of quartus II (v4).
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Hi,
what are the results of the timing analysis ?
Kind regards
GPK
Honored Contributor
