https://docs.amd.com/r/en-US/ug911-vivado-migration/MAXSKEW?contentId=C8DAvOTz1_qOEoYSR7pxOw
MAXSKEW - MAXSKEW - 2024.1 English - UG911
UCF Example NET local_clock MAXSKEW = 2ns; XDC Example The Vivado Design Suite does not support this constraint in XDC.
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