Shift register for producing pulses in sequence

Details Shift register for producing pulses in sequence Shift register for producing pulses in sequence

1990-05-30

1992-03-24

Heyman, John S.

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

Shift register

Particular transfer means

377 75, 377 76, G11C 1900, H03K 2110, H03K 2344

Patent

active

050995022

ABSTRACT:
Disclosed herewith is a shift register for shifting data in series in synchronism with a shift clock signal and is composed of a plurality of data-shift gages connected in cascade, each of which includes a shift-in terminal and a shift-out terminal, and each of which further includes a first transfer gate, a first data hold circuit, a second transfer gate and a second data hold circuit connected in this order between the shift-in and shift-out terminals. Further provided in each of the data-shift stages is a gate circuit, in particular a NOR gate, which responds to logic levels at selected ones of the respective circuit connection points and produces a pulse signal.

REFERENCES:
patent: 3862440 (1975-01-01), Suzuki et al.
patent: 4495628 (1985-01-01), Zasio
patent: 4703200 (1987-10-01), Zangara
patent: 4843254 (1989-06-01), Motegi et al.

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