Invention Grant
US09448281B2 In situ on the fly on-chip variation measurement 有权
原位实时片上变化测量

In situ on the fly on-chip variation measurement
Abstract:
A methodology and circuits for integrated circuit design are provided. A first electronic design file for an integrated circuit is provided. The first electronic design file for the integrated circuit has a timing measurement circuit thereon. Based on the first electronic design file, a number of integrated circuits are manufactured. These manufactured integrated circuits have respective timing measurement circuits arranged at predetermined locations thereon. The timing measurement circuits are used to measure a number of respective timing delay values, which are subject to manufacturing variation, on the integrated circuits. The measured timing delay values are used to set how an auto-place and route tool arranges blocks in a second electronic design file, which is routed after the timing delay values are measured, to account for any measured manufacturing variation.
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