Via-configurable routing architectures and fast design mappability estimation for regular fabrics

  • Authors:
  • Y. Ran;M. Marek-Sadowska

  • Affiliations:
  • Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA;Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA

  • Venue:
  • ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
  • Year:
  • 2005

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Abstract

In this paper, we describe a new via-configurable routing architecture which shows much better throughput and performance than the previous structures. We demonstrate how to construct a single-via-mask fabric to reduce further the mask cost, and we analyze the penalties which it incurs. To solve the routability problem commonly existing in fabric-based designs, an efficient white-space allocation scheme is suggested, which provides a fast design convergence and early prediction of the circuit mappability to a given fabric.