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Multiple-valued logic and optimization of programmable logic arrays

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1 Author(s)
Sasao, T. ; Fac. of Eng., Kyushu Univ., Fukuoka, Japan

Shows a method of designing programmable logic arrays (PLAs) using multiple-valued input, two-valued output functions (MVITVOFs). A MVITVOF is an extension of the two-valued logic function. An expression for a MVITVOF directly represents a multiple-output PLA with decoders. Each product of the expression corresponds to each column of the PLA, so the number of products; in the expression equals the number of columns of the PLA. The array size of the PLA is proportional to the number of products; the PLA can thus be minimized by minimizing the expression.<>

Published in:

Computer  (Volume:21 ,  Issue: 4 )