| 摘要 |
A delay time of a signal delay caused on a path on an electronic circuit is represented as length in a first direction on a plane having as coordinate axes the first direction and a second direction intersecting the first direction. When there is a pin at which a signal is branched on a path, a delay time on the path at and subsequent to that pin is represented as length in the first direction from an origin position that is different from that of the first delay time in the second direction and the same in the first direction.
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