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  3. AR# 32482: 11.1 PlanAhead - Does PlanAhead DRC report single-ended clocks on the N side of a differential pair?

AR# 32482

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11.1 PlanAhead - Does PlanAhead DRC report single-ended clocks on the N side of a differential pair?

Description

I accidentally constrained my single-ended clock to the N side of a Global Clock differential pair.  

 

Why did PlanAhead allow me constrain the clock to this location, and why did DRC not report it?

Solution

PlanAhead currently Auto-Places clocks only to the P side, but allows you to assign the clock to the N side without a DRC error.  

 

This problem is scheduled to be fixed in a future software release.

AR# 32482
Date 05/21/2014
Status Archive
Type General Article
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