Pleasure: a computer program for simple/multiple constrained/unconstrained folding of programmable logic arrays

  • Authors:
  • Giovanni De Micheli;Alberto Sangiovanni-Vincentelli

  • Affiliations:
  • -;-

  • Venue:
  • Computer-Aided Design
  • Year:
  • 1984

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Abstract

Programmable logic arrays are important building blocks of VLSI circuits and systems. The problem of optimizing the silicon area and the performances of large logic arrays are addressed. In particular a general method is described for compacting a logic array defined as multiple row and column folding and we address the problem of interconnecting a PLA to the outside circuitry. A constrained optimization problem to achieve minimal silicon area occupation with constrained positions of electrical inputs and outputs is defined. A new computer program, PLEASURE is presented. It implements several algorithms for multiple and/or constrained PLA folding.