Checking signal transition graph implementability by symbolic BDD traversal

  • Authors:
  • A. Kondratyev;J. Cortadella;M. Kishinevsky;E. Pastor;O. Roig;A. Yakovlev

  • Affiliations:
  • The University of Aizu, Aizu-Wakamatsu, 965 Japan;Universitat Politècnica de Catalunya, 08071 - Barcelona, Spain;The University of Aizu, Aizu-Wakamatsu, 965 Japan;Universitat Politècnica de Catalunya, 08071 - Barcelona, Spain;Universitat Politècnica de Catalunya, 08071 - Barcelona, Spain;University of Newcastle upon Tyne, NE1 7RU England

  • Venue:
  • EDTC '95 Proceedings of the 1995 European conference on Design and Test
  • Year:
  • 1995

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Abstract

This paper defines conditions for a Signal Transition Graph to be implemented by an asynchronous circuit. A hierarchy of the implementability classes is presented. Our main concern is the implementability of the specification under the restricted input-output interface between the design and the environment, i.e., when no additional interface signals are allowed to be added to the design. We develop algorithms and present experimental results of using BDD-traversal for checking STG implementability. These results demonstrate efficiency of the symbolic approach and show a way of improving existing tools for STG-based asynchronous circuit design.