| 摘要 |
PROBLEM TO BE SOLVED: To shorten the period for LSI development by shortening the time required for verifying a timing condition of LSI. SOLUTION: In an initial stage of design, an undetermined quantity of timing caused by indetermination of the influence on timing of each item associated with setting of a time margin is estimated in conformation to each item. In each stage of design, the timing margin is set by use of the estimation result in conformation to whether the influence of each item is determined or not to perform the design of each stage. COPYRIGHT: (C)2006,JPO&NCIPI
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