Distributed Resonant clOCK grid Synthesis (ROCKS)

  • Authors:
  • Xuchu Hu;Matthew Guthaus

  • Affiliations:
  • University of California Santa Cruz, Santa Cruz, California;University of California Santa Cruz, Santa Cruz, California

  • Venue:
  • Proceedings of the 48th Design Automation Conference
  • Year:
  • 2011

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Abstract

Clock distribution networks can consume 35-70% of total chip power in high-performance designs [13]. Resonant clocks can potentially reduce this power by recycling the energy using on-chip inductors. We propose the first automated Resonant clOCK Synthesis (ROCKS) algorithm. Experimental results show that with 10% inductor area, clock power can be reduced by 34%. With more inductor area, up to 90% power savings is shown feasible.