Terminology - 2021.2 English

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

Document ID
UG906
Release Date
2021-10-27
Version
2021.2 English
  • The launch edge is the active edge of the source clock that launches the data.
  • The capture edge is the active edge on the destination clock that captures the data.
  • The source clock is also referred to as the launch clock.
  • The destination clock is also referred to as the capture clock.
  • The setup requirement is the relationship between the launch edge and the capture edge that defines the most restrictive setup constraint.
  • The setup relationship is the setup check verified by the timing analysis tool.
  • The hold requirement is the relationship between the launch edge and capture edge that defines the most restrictive hold constraint.
  • The hold relationship is the hold check verified by the timing analysis tool.