Description - Description - 2026.1 English - UG906

Vivado Design Suite User Guide: Design Analysis and Closure Techniques (UG906)

Document ID
UG906
Release Date
2026-06-23
Version
2026.1 English

The CLK and CLKDIV pins of an OSERDESE3 have a strict skew requirement that must not be exceeded. Placing the clock sources for CLK and CLKDIV in a different SLR than the OSERDESE3 can increase clock path delay and cause max skew violations.