Another way to force flipflops in an IOB is to specify a short delay for the output flip-flop to pad path.
Another way to force flipflops in an IOB is to specify a short delay for the output flip-flop to pad path.
-- Failure does not prove something is impossible, failure simply indicates you are not using the right tools... nico@nctdevpuntnl (punt=.) --------------------------------------------------------------
The problem I see with that is that it can't be verified (what can, I suppose) until after PAR is run. By using synthesis attributes the results can be seen in the technology view (or whatever they call it today).
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