About XDC Precedence - About XDC Precedence - 2026.1 English - UG903

Vivado Design Suite User Guide: Using Constraints (UG903)

Document ID
UG903
Release Date
2026-07-01
Version
2026.1 English

Xilinx design constraints (XDC) precedence rules come from Synopsys design constraints (SDC). This chapter explains how you resolve constraint conflicts and overlaps.