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Method and apparatus for selecting and aligning cells using a placement tool

  • US 20040128638A1
  • Filed: 12/16/2003
  • Published: 07/01/2004
  • Est. Priority Date: 06/20/2000
  • Status: Abandoned Application
First Claim
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1. A computerized method for selecting cells in a circuit design database, the circuit design database having one or more levels of hierarchy including one or more logic functions composed of one or more other logic functions and/or one or more leaf cells, the leaf cells forming the lowest level of hierarchy in the circuit design database, each of the leaf cells having one or more inputs and one or more outputs, the circuit design database having one or more nets, each of the nets for connecting an output port of a source leaf cell to an input port of one or more destination leaf cells, the computerized method comprising the steps of:

  • selecting one of the nets via a user input device;

    identifying selected leaf cells that are connected to the selected net; and

    selecting the identified leaf cells.

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