Variation-aware routing for FPGAs

  • Authors:
  • Satish Sivaswamy;Kia Bazargan

  • Affiliations:
  • University of Minnesota, MN;University of Minnesota, MN

  • Venue:
  • Proceedings of the 2007 ACM/SIGDA 15th international symposium on Field programmable gate arrays
  • Year:
  • 2007

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Abstract

Chip design in the nanometer regime is becoming increasingly difficult due to process variations. ASIC designers have adopted statistical optimization techniques to mitigate the effects of variations. The FPGA community on the other hand, has only recently started focussing on the effects of variations. This paper presents a comparative study of the impact of variations on designs mapped to FPGAs and ASICs to get a measure of the severity of the problem in both the FPGA and ASIC domains. We also propose a variation aware router that reduces the yield loss by 7.61X, or the circuit delay by 3.95% for the same yield for the MCNC benchmarks.