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Methods for analyzing cells of a cell library

  • US 8,726,217 B2
  • Filed: 01/20/2011
  • Issued: 05/13/2014
  • Est. Priority Date: 01/20/2011
  • Status: Active Grant
First Claim
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1. A method of analyzing a cell of a cell library used to generate a layout, the method comprising:

  • determining, for each instance of the cell in the layout, a respective routed connection location utilized in the layout for a pin of the cell, resulting in a plurality of routed connection locations; and

    determining a utilization metric for the pin of the cell based on the plurality of routed connection locations and a plurality of possible connection locations for the pin; and

    displaying the utilization metric on a display device, wherein the utilization metric enables a user to identify issues of the types of standard cells regarding accessibility of the pin of the cell in the layout based on the displayed utilization metric.

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