Timing Constraints Window - Timing Constraints Window - 2026.1 English - UG903

Vivado Design Suite User Guide: Using Constraints (UG903)
Document ID
UG903
Release Date
2026-07-01
Version
2026.1 English

The Timing Constraints window displays the timing constraints in memory. They appear in the same sequence as in the XDC files, Tcl scripts, or the Tcl Console entry order. For more details, refer to Creating Synthesis Constraints.

Open the Timing Constraints window using one of these options:

  • Select Window > Timing Constraints.
  • In the Synthesis section of the Flow Navigator panel, select Synthesized Design > Edit Timing Constraints.
  • In the Implementation section of the Flow Navigator panel, select Implemented Design > Edit Timing Constraints.
Figure 1. Multiple Methods for Opening the Timing Constraints Window

The Timing Constraints window displays the timing constraints in memory. They appear in the same sequence as in the XDC files and Tcl scripts, or in the order they were entered in the Tcl Console.

Figure 2. Timing Constraints Window

Some of the constraints cannot be edited from this window. The tool marks these constraints with the XDC No Edit icon .