Quantifying Error in Dynamic Power Estimation of CMOS Circuits

  • Authors:
  • Puneet Gupta;Andrew B. Kahng;Swamy Muddu

  • Affiliations:
  • Department of Electrical and Computer Engineering, UC San Diego, La Jolla, USA;Aff1 Aff2;Department of Electrical and Computer Engineering, UC San Diego, La Jolla, USA

  • Venue:
  • Analog Integrated Circuits and Signal Processing
  • Year:
  • 2005

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Abstract

Conventional power estimation techniques are prone to many sources of error. With increasing dominance of coupling capacitances, capacitive coupling potentially contributes significantly to power consumption in the deep sub-micron regimes. We analyze potential sources of inaccuracy in power estimation, focusing on those due to coupling. Our results suggest that traditional power estimates can be off by as much as 50%.