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nmDRC, voltage checks

Question asked by premm on Aug 7, 2014

Hi,

 

Issue is on a TOP with analog IP ( with voltage lables ) is that TOP is deriving voltage from tied-on nets connected to pins with high voltage markers.

 

When i load voltage rdb in calibre i see below messsage. I checked and found there is certain prescence set for deriving the voltage levels in my SVRF

 

oltage specified with marker is above specified range.  See 'restriction' property for details.

IL: OOR_M4_hv_id

 

My top is at lower voltage than IP voltage. Please suggest a method to override such prescedence and force the TOP design to be running at its designated voltage level.

 

A quick response is much appreciated ! Thanks.

 

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