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# How to identify fractional cells

Last post Tue, Dec 12 2006 3:01 PM by archive. 1 replies.
 Started by archive 12 Dec 2006 03:01 PM. Topic has 1 replies and 1229 views
• #### Tue, Dec 12 2006 3:01 PM

• archive
• Joined on Fri, Jul 4 2008
• Posts 88
• Points 4,930
How to identify fractional cells
 In Encounter I am getting the following messageDesign contains fractional cell.does anybody knows how to report which cell(s) are having this problems from Encounter?Thanks,Eric.Originally posted in cdnusers.org by evenditti
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• #### Wed, Dec 13 2006 4:46 AM

• archive
• Joined on Fri, Jul 4 2008
• Posts 88
• Points 4,930
RE: How to identify fractional cells
 Hi Eric,Fractional cells are cells, who's width or hight is not an integer multiplied by minimum site width or hight defined in the technology LEF (core dimention). For example:SITE COREHD CLASS CORE ; SYMMETRY Y ; SIZE 0.200 BY 1.800 ;END COREHDYou can write script, that checks the LEF of your cells, which one of them is not an integer multiplied by the site dimentions, or you can try to add filler cells. When Encounter meet the fractional cell, it will not succed placing minimal filler beside it and you will receive it's coordinate as warning. (never tried this, but I hope it will work)Regards,Originally posted in cdnusers.org by Stalker
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