The design of reversible circuits differs significantly from the design of conventional circuits. Although many methods to synthesize reversible functions have been developed, most of them are not scalable. In this paper an application of the
divide and conquer
paradigm is proposed that adopts for reversible logic synthesis the concept of functional decomposition developed for conventional logic synthesis. The initial function is decomposed into a network of smaller sub-functions that are easier to analyze and synthesize into reversible blocks. The final circuit is then composed of these blocks. The results of experiments reported here demonstrate the potential of the proposed approach.
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