Fast, efficient, recovering, and irreversible

  • Authors:
  • Visvesh Sathe;Juang-Ying Chueh;Joohee Kim;Conrad H. Ziesler;Suhwan Kim;Marios C. Papaefthymiou

  • Affiliations:
  • University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;MultiGig, Inc., Scotts Valley, CA;Seoul National University, Seoul, Korea;University of Michigan, Ann Arbor, MI

  • Venue:
  • Proceedings of the 2nd conference on Computing frontiers
  • Year:
  • 2005

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Abstract

Recent advances in CMOS VLSI design have taken us to real working chips that rely on controlled charge recovery to operate at sub-stantially lower power dissipation levels than their conventional counterparts. In this paper, we present two such chips that were designed in our research group and highlight some of the promising charge-recovery techniques in practice. Although their origins can be traced back to the early adiabatic circuits, these techniques approach energy recycling from a more practical angle, shedding reversibility to achieve operating frequencies in excess of 1GHz with relatively low overheads