Digital shift register

Details Digital shift register Digital shift register

1989-01-13

1992-05-12

Heyman, John S.

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

Shift register

Particular output circuit

377 78, 377120, G11C 1900

Patent

active

051134195

ABSTRACT:
In a digital shift register comprising a series of substantially identical bistable circuits, a reference voltage required for the bistable circuits is generated by coupling a common node to the outputs of the bistable circuits via resistors, in such a way that the reference voltage is the means of the output voltages of the bistable circuits. Further, a method is described for the advanced presentation of information to the bistable circuits of the shift register via the reference circuit, so that the bistable circuits are changed over faster and the maximum clock frequency of the shift register is increased. By incorporating a gate circuit ahead of the shift register, a programmable frequency divider may thus be provided.

REFERENCES:
patent: 2957091 (1960-10-01), Pace
patent: 2972062 (1961-02-01), Clark
patent: 3056044 (1962-09-01), Kroos
patent: 3329834 (1967-07-01), Klinikowski
patent: 3670179 (1972-06-01), Pike
patent: 3676701 (1972-07-01), Kasperkovitz

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