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Irredundant binate realizations of unate functions
D K DAS, S CHAKRABORTY, B B BHATTACHARYA
Published in TAYLOR & FRANCIS LTD
1993
Volume: 75
   
Issue: 1
Pages: 65 - 73
Abstract
Combinational circuits realizing unate Functions are usually simple in structure and their behaviour under the stuck-at fault model is seemingly well understood. This paper exemplifies the fact that a circuit designer may construct many peculiar irredundant circuits realizing unate functions. First, a counter-example is presented contradicting the existing notion of non-realizability of a unate function by a single-output, irredundant, binate combinational circuit. On the contrary, almost all unate functions are shown to be realizable with single-output networks that are binate as well as irredundant. A very rare example of a unate function is then cited; it has an irredundant circuit realization, none of whose primary input lines is unate. © 1993 Taylor & Francis Group, LLC.
About the journal
JournalInternational Journal of Electronics
PublisherTAYLOR & FRANCIS LTD
ISSN0020-7217