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A symbolic simulation approach in resolving signals' correlation

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3 Author(s)
Dunoyer, J. ; Lab. MASI, Univ. Pierre et Marie Curie, Paris, France ; Abdallah, N. ; Sabet, P.B.

The probabilistic approach is widely used to analyze the power dissipation of digital circuits. The goal of the work is twofold. First, to present a method for providing an evaluation package of signal probabilities and transition densities that can be applied at different specification levels with more or less accuracy. A first order clue at the specification level may help synthesis tools in lowering power dissipation early in the design process. Second, to show how to deal with the well-known correlation problem using a symbolic simulation technique. Only one pass is required to compute a set of independent inputs for each signal in the circuit. At different stages, the algorithms take advantage of the binary decision diagram (BDD) concept

Published in:

Simulation Symposium, 1996., Proceedings of the 29th Annual

Date of Conference:

8-11 Apr 1996