Technology-based transformations

  • Authors:
  • Rajeev Murgai

  • Affiliations:
  • Fujitsu Laboratories of America, Inc.

  • Venue:
  • Logic Synthesis and Verification
  • Year:
  • 2001

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Abstract

Technology mapping is inherently a difficult problem. The current mapping algorithms cannot provide optimum solutions for minimum delay or area for industrial circuits in the presence of large gate libraries, complex design constraints, realistic & accurate delay models, and in the absence of interconnect load and delay information. Thus there is a need and scope for applying postmapping logic transformations, namely gate resizing, fanout optimization by buffering, gate replication, generalized DeMorgan transform, simple gate decomposition/collapsing, resynthesis & remapping, and pin permutation.