941 - Diamond: Timing: Why does the hold analysis use a different speed grade?

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• <div>Radiant: How can user perform Timing Analysis using a different speed grade other than the speed grade of the selected device (or the PAR speed grade)?</div>

  To perform Timing Analysis on different speed grades independent of the PAR speed grade, user can change the Timing Analysis speed grade in 3 ways: 1. Change the strategy setting for PAR Timing Analysis speed grades to a different speed grade than ...

• 1587 - Diamond: What are the different factors that affect device speed, temperature and voltage selection during software timing analysis?

  Software uses different temperatures and voltages for timing analysis based on the following factors: Commercial vs. Industrial Part selection.: Commercial part selection enforces the following DEFAULT temperatures for Setup and Hold analysis (based ...

• Diamond: What is the difference of HOLD and HOLD_WINDOW?

  Diamond Timing Analysis View does Setup and Hold Analysis along with hold-window calculation. The setup calculation is done based on the user speed grade. The hold calculation is done based on the minimum speed grade and the hold_window calculation ...

• 1150 - Diamond: What does the M or Minimum Speed grade mean in a Lattice&nbsp;I/O timing report?&nbsp;<br>

  The M or Minimum Speed grade device appears to be faster than the fastest speed grade in the I/O timing report and the term "Minimum Speed grade" can be a bit confusing. For starters, it does NOT mean the slowest silicon device. The term refers to ...

• All Nexus / Radiant version 2023.1 or earlier: Are there any guidelines when changing the speed grades for Place & Route Design and Place & Route Timing Analysis on the strategy settings?

  It is not recommended to change the default speed grade settings for both the Place & Route (PAR) Design and Place & Route Timing Analysis. DEFAULT VALUES: The default values (especially for HOLD) are for worst case timing calculations. For PAR ...