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Verifying a self-timed divider

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3 Author(s)
Ono-Tesfaye, T. ; Dept. of Comput. Sci., British Columbia Univ., Vancouver, BC, Canada ; Kern, C. ; Greenstreet, M.R.

This paper presents an approach to verifying timed designs based on refinement: first, correctness is established for a speed-independent model; then, the timed design is shown to be a refinement of this model. Although this approach is less automatic than methods based on timed state space enumeration, it is tractable for larger designs. Our method is implemented using a proof checker with a built-in model checker for verifying properties of high-level models, a tautology checker for establishing refinement, and a graph-based timing verification procedure for showing timing properties of transistor level models. We demonstrate the method by proving the timing correctness of Williams' self-timed divider

Published in:

Advanced Research in Asynchronous Circuits and Systems, 1998. Proceedings. 1998 Fourth International Symposium on

Date of Conference:

30 Mar-2 Apr 1998