Sensitivity evaluation of global resonant H-tree clock distribution networks

  • Authors:
  • Jonathan Rosenfeld;Eby G. Friedman

  • Affiliations:
  • University of Rochester, Rochester, New York;University of Rochester, Rochester, New York

  • Venue:
  • GLSVLSI '06 Proceedings of the 16th ACM Great Lakes symposium on VLSI
  • Year:
  • 2006

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Abstract

A sensitivity analysis of resonant H-tree clock distribution networks is presented in this paper for a TSMC 0.18 ?m CMOS technology. The analysis focuses on the effect of the driving buffer output resistance, on-chip inductor and capacitor size, and signal and shielding transmission line width and spacing on the output voltage swing and power consumption. A two level resonant H-tree network exhibits low sensitivity to these variations.