| 摘要 |
There are disclosed a method and an apparatus for circuit designing, which enable arranging and wiring operations to be efficiently performed by using indices for arranging and wiring without the occurrence of any error paths. In the method and apparatus for circuit designing, path tracing is performed from one or more tracing start pins for a result of logical designing and the number of passing through each pin of cells to be arranged is counted during the path tracing. Thus, the method and apparatus for circuit designing are suitably used for designing of a circuit such as a LSI or the like, which has been enlarged in size and complex following an advance in a micro fabrication art.
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