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Algorithmic synthesis of MVL functions for CCD implementation

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3 Author(s)
Abd-El-Barr, M.H. ; Dept. of Comput. Sci., Saskatchewan Univ., Saskatoon, Sask., Canada ; Vranesic, Z.G. ; Zaky, S.G.

Algorithms for synthesis of four-valued one- and two-variable functions for CCD (charge coupled device) implementation are proposed. One-variable synthesis is based on the observation that the cost of a realization of a function f(x) increases in the presence of breaks, or negative transitions, in the value of f as x increases. The function is decomposed to minimize the number of such transitions. Two-variable functions are synthesized as a sum of products of literals, taking advantage of literals that are easily implemented in CCD technology. It is concluded that the proposed algorithms perform better than those published previously

Published in:

Computers, IEEE Transactions on  (Volume:40 ,  Issue: 8 )