Forum Discussion
AHorn4
New Contributor
New ContributorHow to fix large number of hold violations for Cyclone V GX in Quartus II?
My Cyclone V GX design compiles with no setup or hold violations in the two slow models but contains a large number of very small (< 0.2ns) hold violations in the two fast models. After investigating...
jrrguzman
Occasional Contributor
Occasional ContributorHave you checked clock skew in the failing paths? Hold violations are usually due to clocks skewing too much one from each other, so the launch clock arriving before the capture clock. If that difference is too high your data changes before the capture clock arrives and you'll get a hold violation.
