Design rule optimization of regular layout for leakage reduction in nanoscale design

  • Authors:
  • Anupama R. Subramaniam;Ritu Singhal;Chi-Chao Wang;Yu Cao

  • Affiliations:
  • Arizona State University, Tempe, AZ;Arizona State University, Tempe, AZ;Arizona State University, Tempe, AZ;Arizona State University, Tempe, AZ

  • Venue:
  • Proceedings of the 2008 Asia and South Pacific Design Automation Conference
  • Year:
  • 2008

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Abstract

The effect of non-rectilinear gate (NRG) due to sub-wavelength lithograph dramatically increases the leakage current by more than 15X. To mitigate this penalty, we have developed a systematic procedure to optimize key layout parameters in regular layout with minimum area and speed overhead. As demonstrated in 65nm technology, the optimization of regular layout achieves more than 70% reduction in leakage under NRG, with area penalty of ~10% and marginal impact on circuit speed and active power.