| 摘要 |
An "incremental" timing analysis or simulation uses much of the results of a previous timing simulation. The previous timing results were obtained for a previous electronic design which was slightly modified by the designer. The portion of the design affected by the modification is identified and its timing is recalculated. The timing for the remainder of the design is left as is from the previous design. The boundaries of the region affected by the design modification may be determined by various methods. If the timing analysis is performed at an early stage in the overall design process, the method chosen may be relatively simple; i.e., it need not account for load, parasitic capacitance, etc.
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