DDR Spacing


DDR Spacing in the Capture Desktop

In this illustrated WhitePaper, you'll see how to support DDR Spacing constraints in Constraint Manager from the Capture Desktop.


DDR spacing constraints are often used to control crosstalk within DDR routing.

Capture does not create all the Spacing constraints in Constraint Manager. 

Capture enhanced with MakeCAP fully supports all the needed DDR Spacing constraints in Constraint Manager.
  • Classes
  • Class-to-Class
  • Spacing CSets
  • Assign CSets to Classes
  • Assign CSets to Class-Class
  • Output DDR Spacing TCF Techfiles
  • Update Constraint Manager from the Capture Desktop






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