| 摘要 |
PROBLEM TO BE SOLVED: To easily reduce power source noise due to simultaneous switching of an output buffer in a semiconductor device. SOLUTION: This designing method for the semiconductor device is provided with a designing step, in which a plurality of delay circuits 103 are arranged between a plurality of output buffers 104 and an internal circuit 101 for outputting a signal to the outside of the semiconductor device, and a delay time adjusting step for adjusting delay times of a plurality of delay circuits for avoiding simultaneous switching of a plurality of output buffers. COPYRIGHT: (C)2005,JPO&NCIPI
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