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Subject: Pefforming math in Assura DRC and exporting results
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mcs4cad
Posts: 1
Online: User is Offline
7/22/2008 12:08 PM  
Good day,  I've been asked to calculate ratios of die X and Y dimensions, and ratios of those to the overall field size.  With Assura and a combination of commands I can readily isolate specific features such as the die top edge.   I then used and extractDevice function to allow the use of measureParameters and calculateParameters but then I get stuck.  How can I export these values to either the ELW, CIW, or a log file.  I'd even consider a custom LVS compare if necessary.
To skip much of the detail, in the code below you can see the extraction of the 'Chip' followed by the measurement and a simple calculation of DxCalc.  I need to export DXCalc.  Thanks, Marty

cellViewName=strcat(" Chip " " ivpcell "  LIBRARY )
ExtractedDie = extractDevice( "chip" DieFramePlugs orthChipEdges("Pnt")
                              cellView(cellViewName ) flagMalformed )

topEdgeLen = measureParameter( length (DieFramePlugs butting orthChipEdges))
DXCalc = calculateParameter(topEdgeLen*2.0)
nameParameter( DxCalc "Dx" )

How can I export DXCalc to the CIW, or a log, or the ELW?  Or, is there another approach.
Thanks for the advice.
Regards, Marty
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Forums > Custom IC > Custom IC Physical Design > Pefforming math in Assura DRC and exporting results


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