Fast, efficient, recovering, and irreversible

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

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INDEX TERMS

Primary Classification:
  B. Hardware
  B.0 GENERAL

General Terms:
Design, Performance

Keywords:
adiabatic computing, charge-recovery circuits, resonant systems, reversible logic