Energy optimality and variability in subthreshold design

  • Authors:
  • Scott Hanson;Bo Zhai;David Blaauw;Dennis Sylvester;Andres Bryant;Xinlin Wang

  • Affiliations:
  • University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center

  • Venue:
  • Proceedings of the 2006 international symposium on Low power electronics and design
  • Year:
  • 2006

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Abstract

Recent progress in the development of subthreshold circuit design techniques has created the opportunity for dramatic energy reductions in many applications. However, energy efficiency comes at the price of timing and energy variability due to process variations. We explore energy optimality in the subthreshold regime, discuss variability in this region, and highlight the energy and variability characteristics of a real subthreshold design.