An automatic/interactive layout planning system for arbitrarily-sized rectangular building blocks

  • Authors:
  • Chi-Song Horng;Margaret Lie

  • Affiliations:
  • -;-

  • Venue:
  • DAC '81 Proceedings of the 18th Design Automation Conference
  • Year:
  • 1981

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Abstract

Layout Planning Aids (LPA) is designed to allow easy generation of topological layout (chip) plans for IC mask designs. The output of LPA is a hard-copy topological plan. The system encourages a hierarchical design style. It encompasses both algorithmic and computer-assisted, designer-controlled approaches to the problem by providing automatic placement and routing facilities plus a set of versatile interactive commands. The interactive features allow designers to work collaboratively with the system such that the strengths of both can be combined to achieve the best results.