Hi all,
I have a signal that is valid 2 ns before the active clock edge and stays valid until 5 ns after the active clock edge. Is there a possibilty to put this constraint into the ucf file?
any hints are welcome
Thomas
Input Timing Specification
Feb 08, 2005
3 Replies
TIMEGRP MyInputs OFFSET = IN 2 ns VALID 7 ns BEFORE MyClk;
thanks although I cannot meet the spec, up to now :(
Thomas
If you cannot meet the setup time, register the input in the IOB will probably help.
HTH, Jim snipped-for-privacy@yahoo.com (remove capital letters)
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