Optimization of synchronous circuits

  • Authors:
  • Soha Hassoun;Tiziano Villa

  • Affiliations:
  • Tufts Univ., Medford, MA;PARADES Labs, Rome, Italy

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

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Abstract

We study techniques for optimizing synchronous sequential circuits. These techniques use either state-based or structural gate-level models. We survey recent advances in state-based techniques focusing on the computation of the flexibility in synthesizing or resynthesizing a node in a network of Finite State Machines. We then survey structural sequential optimization techniques that either relocate registers within the circuit (retiming) or that modify both register placement and the circuit's combinational logic.