Method and apparatus for determining the greatest value of a bin

Details Method and apparatus for determining the greatest value of a bin Method and apparatus for determining the greatest value of a bin

1989-02-16

1991-03-05

Shaw, Dale M.

Boots, shoes, and leggings

G06F 724

Patent

active

049982192

ABSTRACT:
A circuit for determining which of a plurality of binary numbers has the greatest decimal equivalent includes a binary-to-decimal converter which converts each of the binary numbers to a decimal equivalent code, a series of logic OR gates which OR together corresponding bits of like decimal value of each of the decimal equivalent codes, a priority encoder which compares the outputs of the OR gates, determines which output of the OR gates is active and has the greatest decimal value of the decimal codes, and converts the decimal code having the greatest value to a binary number, and a comparator which compares the binary number from the priority encoder with each of the binary numbers provided to the binary-to-decimal converter. A circuit for minimizing any uncertainty which may arise with a greatest value determination includes a series of logic OR gates which OR together bits of like decimal value of the binary numbers, a multiplexer controller which is responsive to the outputs of the logic OR gates and which determines which is the most significant active bit of the binary numbers, and a multiplexer which selects a certain number of bits of the binary numbers to provide to the greatest value determination circuit.

REFERENCES:
patent: 3546442 (1970-12-01), Reader
patent: 3757298 (1973-09-01), Tumbush
patent: 4101903 (1978-07-01), Slay
patent: 4539549 (1985-09-01), Hong et al.

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