Abstract
The complexity of computational circuits versus radix is analyzed. Necessary and sufficient conditions are given that ensure that the complexity of certain computational circuits will be a monotonically decreasing function of radix. Mechanizations of a higher radix ripple carry adder, look-ahead adder, magnitude comparator, and parallel multiplier are given. Each mechanization is implemented using both I2L threshold logic and standard multiple-valued logic primitives and then tested against the necessary and sufficient conditions previously developed. A comparison is made of the relative effectiveness of I2L threshold logic versus logic primitives in realizing computational circuits whose complexity is a decreasing function of radix.
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