Synthesis and placement flow for gain-based programmable regular fabrics

  • Authors:
  • Bo Hu;Hailin Jiang;Qinghua Liu;Malgorzata Marek-Sadowska

  • Affiliations:
  • Univ. of California, Santa Barbara, CA;Univ. of California, Santa Barbara, CA;Univ. of California, Santa Barbara, CA;Univ. of California, Santa Barbara, CA

  • Venue:
  • Proceedings of the 2003 international symposium on Physical design
  • Year:
  • 2003

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Abstract

In this paper we present the Gain-based Logic Block Array (GLA), a new via-programmable regular fabric. GLA is an array of Gain-based Logic Blocks (GLBs). The GLB is a semi-universal logic block designed based on logical effort theory[12]. Customization of the GLBs is provided by programmable vias. To achieve the best performance, appropriate fabric has to be selected from a family of GLAs with different performance-area trade-offs. We describe a synthesis and placement flow which, for a given design to be implemented, allows us to select the best GLA from the candidate family.