| 摘要 |
When a logical block is built in an LSI logic design stage, a maximum delay value between pins of a block is set based on a designer's estimation, or information of a netlist after the netlist is generated. Pins can be grouped. A delay value in a connection between pins is represented by the largest value. Additionally, a plurality of internal memory elements within a logical block are represented by one or a plurality of internal latches. Also as a delay value between a pin and an internal latch, or between an internal latch and a pin, the largest value is selected from among a plurality of delay values, and set as a representative value.
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