Advanced XDC Templates - 2023.2 English

Vivado Design Suite User Guide: Using Constraints (UG903)

Document ID
UG903
Release Date
2023-11-01
Version
2023.2 English

Some advanced templates such as System Synchronous and Source Synchronous I/O delay constraints require you to set some Tcl variables to capture the design requirements. The Tcl variables are used in the actual set_input_delay and set_output_delay constraints.

You must verify that all necessary values have been filled instead of using the default values.

Figure 1. I/O Delay Constraint Templates