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?

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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 ...

• Radiant: How does the user interpret the Single Clock Domain table entries on the Clock Summary section of the Place &amp; Route Timing Analysis Report?

  The Single Clock Domain table of the Clock Summary Section of the Place & Route Timing Analysis report: There are three values on this table: 1. The Target is the frequency or period based on the clock constraint. This should always be the lowest of ...

• <div>All Nexus / Radiant version 2023.1 or earlier: Is it correct to think that STA is performed under worst-case conditions for both setup/hold for Nexus Devices?<br></div>

  Radiant timing analysis is performed under worst-case conditions for both setup/hold. As an example, consider the Nexus devices. By default, hold analysis is performed using the ‘m’ speed grade which represents the highest performance grade using the ...

• 1712 - Diamond: How can user get estimated timing of my design before running place and route?

  In both ispLEVER and Lattice Diamond tools, user can generate the timing using the static timing analysis tool after map, and before place and route. The static timing analyzer (TRCE) will generate timing using estimated models, as well as the fanout ...

• 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 ...