Apparatus and method for comparing digital words using a last bi

Details Apparatus and method for comparing digital words using a last bi Apparatus and method for comparing digital words using a last bi

1999-03-01

2000-09-19

Wambach, Margaret R.

Communications: electrical

Digital comparator systems

G05B 100

Patent

active

061218715

ABSTRACT:
A circuit for comparing two digital words has a set of bit compare circuits that generate a set of compare signals. Each bit compare circuit receives a first bit from a first digital word and a corresponding bit from a second digital word and generates one compare signal that indicates a match between the first bit and the corresponding bit. In response to the set of compare signals, a composite match detector circuit generates a composite match signal. A last bit detector circuit generates a last bit signal that indicates a match between a last bit from the first digital word and a last bit from the second digital word. When the last bit signal is received, a match hit generator circuit generates a match hit signal based on the composite match signal and the last bit signal.

REFERENCES:
patent: 5319347 (1994-06-01), McClure
patent: 5754569 (1998-05-01), De Lange

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