Identifying Timing Violations Root Cause - 2021.2 English

UltraFast Design Methodology Guide for Xilinx FPGAs and SoCs

Document ID
UG949
Release Date
2021-11-19
Version
2021.2 English

For setup, you must first analyze the worst violation of each clock group. A clock group refers to all intra, inter, and asynchronous paths captured by a given clock.

For hold, all violations must be reviewed as follows:

  • Before routing, review only violations over 0.5 ns.
  • After routing, start with the worst violation.