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An effective logic synthesis procedure based on parallel and serial decomposition of a Boolean function is presented in this paper. The decomposition, carried out as the very first step of the .synthesis process, is based on an original representation of the function by a set of r-partitions over the set of minterms. Two different decomposition strategies, namely serial and parallel, are exploited by striking a balance between the two ideas. The presented procedure can be applied to completely or incompletely specified, single- or multiple-output functions and is suitable for different types of FPGAs including XILINX, ACTEL and ALGOTRONIX devices. The results of the benchmark experiments presented in the paper show that, in several cases, our method produces circuits of significantly reduced complexity compared to the solutions reported in the literature.
Computer algorithms; Decomposition method; Field programmable gate arrays; Gate array circuits; Sequential machine theory
Computer Engineering | Electrical and Computer Engineering | Electrical and Electronics | Signal Processing | Systems and Communications
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A General Approach to Boolean Function Decomposition and its Application in FPGABased Synthesis.
VLSI Design, 3(3-4),