| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for automatically arranging a logical element capable of considering any influence on an operation delay time and a voltage margin due to temperature distribution. SOLUTION: An electronic circuit device is divided into at least one small region, and a power to be consumed in each small region is calculated, and the temperature of each small region is calculated by using a cooling characteristic matrix to be decided by a cooling structure from the calculated power, and an operation delay time and a voltage margin are calculated from the calculated temperature, and whether or not they are within a target range is decided.
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