Electrical pulse counters – pulse dividers – or shift registers: c – Shift register – Particular input circuit
Patent
1983-10-27
1985-08-20
Miller, Stanley D.
Electrical pulse counters, pulse dividers, or shift registers: c
Shift register
Particular input circuit
377 72, 377 81, G11C 1900
Patent
active
045368813
ABSTRACT:
An easily testable integrated logic circuit utilizes a plurality of flip-flops to form a feedback shift register. In some embodiments, means are provided for selectively forming the flip-flops into a feedback shift register and for selectively supplying either the flip-flop contents or a random signal as partial inputs to the combinational logic circuit. In other embodiments, the feedback shift register is coupled to the AND logic array outputs of a combinational circuit which also includes and OR logic array.
REFERENCES:
patent: 3258696 (1966-06-01), Heymann
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patent: 3651315 (1972-03-01), Collins
patent: 3911330 (1975-10-01), Fletcher et al.
patent: 3924144 (1975-12-01), Hadamard
patent: 3958110 (1976-05-01), Hong et al.
patent: 4139318 (1979-02-01), Schneider
patent: 4213007 (1980-07-01), Funk
Davis B. P.
Miller Stanley D.
Nippon Electric Co. Ltd.
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