up633791

Eliminating the extraction of unused devices

Discussion created by up633791 on May 13, 2013
Latest reply on May 14, 2013 by dan_liddell

Hi,

 

I have been experimenting with creating an extraction deck and I have came across the following problem:

 

I know that we can eliminate unused devices in extract and LVS with the command:

 

LVS Filter Unused Option (or device)

 

But, this is specific for LVS.

 

My question is:

 

How can I prevent the extraction of unused devices strictly and only through the extraction ruleset? I basically have a semi-custom design with an array of devices and only wish to extract the used ones only to a netlist.

 

Thanks in advance.

 

Kalid

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