Patent · US Expired

Accuracy of timing analysis using region-based voltage drop budgets

US6971079B2 · kind B2 · utility

3Cited by
11References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 2002
Grant dateNov 29, 2005
Priority date
Expiry dateApr 9, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F30/3312
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for improving the timing accuracy of an integrated circuit through region-based voltage drop budgets is provided. Further, a method for performing timing analysis on an integrated circuit partitioned into voltage drop regions is provided. During the timing analysis, a set of logic paths segments in each voltage drop region is tested to ensure that the integrated circuit meets a set of predefined timing requirements. Logic path segments that reside in different voltage drop regions are tested using a supply voltage inputted by the respective voltage drop region.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.