Setting Clearance Classes in Design Gateway

Tech Tip: Setting Clearance Classes in CR-8000 Design Gateway

When a design requires specific minimum spacing between net classes, these clearance classes can easily be created and assigned in CR-8000 Design Gateway.

You can create clearance classes in CR-8000 Design Gateway, and forward annotate them to CR-8000 Design Force. The clearance classes can be assigned spacing rules from design rule stacks in your library.

In the CR-8000 Design Gateway constraint browser, select the Utility pulldown, then edit Clearance Class. Enter a new Clearance Class Name.  Assign the design rule stack to each clearance class combination. Finally, Forward Annotate to your board.

Written by

Brian Gilman is an applications engineer at Zuken USA. He started at Zuken in 2009 after spending over 20 years at Invensys.

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