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An Algorithm for Optimal PLA Folding

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3 Author(s)
Hachtel, G.D. ; Department of Mathematical Sciences, IBM T. J. Watson Research Center, Yorktown Heights, NY, USA ; Newton, A.R. ; Sangiovanni-Vincentelli, A.L.

In this paper we present a graph-theoretic formulation of the optimal PLA folding problem. The class of admissible PLA foldings is defined. Necessary and sufficient conditions for obtaining the optimal folding are given. A subproblem of the optimal problem is shown to be NP-complete, and a heuristic algorithm is given which has proven to be effective on a number of test problems.

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:1 ,  Issue: 2 )