Parallelized magnitude comparator for comparing a binary number

Communications: electrical – Digital comparator systems

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307355, G05B 103, G06F 702

Patent

active

053193474

ABSTRACT:
A magnitude comparator suitable for use in a FIFO memory is modified to compare the magnitudes between any binary number and a fixed value. Bit comparators are divided into groups which generate compare output signals in parallel to one another, thereby reducing total magnitude comparator delay and resulting in faster operation. These compare output signals are fed into a control element which determines which compare output signal is allowed to pass through as the final compare output signal.

REFERENCES:
patent: 3938087 (1976-02-01), Louie
patent: 4032885 (1977-06-01), Roth
patent: 4584556 (1986-04-01), Chan
patent: 4891788 (1990-01-01), Kreifels
patent: 4935719 (1990-06-01), McClure
patent: 4974241 (1990-11-01), McClure
patent: 5130692 (1992-07-01), Ando et al.
Electronic Engineering, vol. 62, No. 760, pp. 27-28, Apr. 1990, London, GB.

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