Shift register circuit

Details Shift register circuit Shift register circuit

1990-12-20

1992-07-21

Miller, Stanley D.

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

Particular output circuit

377 79, 377 81, G11C 1900

Patent

active

051329930

ABSTRACT:
A shift register circuit includes a logical operator which is added to an output terminal of a latch portion and takes a logical operation of input and output signals of the latch portion and outputs its result as a bit signal. The signal of a bit component is shifted to a higher order bit every half of the period of a clock signal so that a shifting speed thereof can be made two times faster than that in a conventional shift register circuit. It may be arranged such that a higher order bit section starts to output a signal after the preceding lower order bit section outputs a low level signal thereby enabling to avoid the signals outputted by the bit sections neighboring to each other becoming simultaneously intermediate values between a high level and a low level. Also, the bit sections may be cascade-connected such that each of the sections takes a logical operation of the input and output signals of the latch portion. In view of the configuration involved, the number of elements per bit can be reduced.

REFERENCES:
patent: 3903490 (1975-09-01), Sakamoto
patent: 3989957 (1976-11-01), Tucci
patent: 4366394 (1982-12-01), Clendening et al.

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