Interconnect delay and slew metrics using the beta distribution

  • Authors:
  • Jun-Kuei Zeng;Chung-Ping Chen

  • Affiliations:
  • National Taiwan University;National Taiwan University

  • Venue:
  • Proceedings of the Conference on Design, Automation and Test in Europe
  • Year:
  • 2010

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Abstract

Integrated circuit process technology is entering the ultra deep submicron era. At this level, interconnect structure becomes very stiff and the metal resistance shielding effects problem is more serious. Although several delay metrics have been proposed, they are inefficient and difficult to implement. Hence, we propose a new delay and slew metric for interconnect based on Beta distribution and which does not require a look-up table to be built. Our metrics are efficient and easy to implement; the overall standard deviation and error mean are smaller than in previous works.