High speed shift register circuit

Details High speed shift register circuit High speed shift register circuit

1982-04-15

1984-01-31

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

377 64, 377 73, H03K 13256

Patent

active

044293003

ABSTRACT:
A shift register circuit for converting a form of a datum with N bits comprises a shift register with a bit capacity of at least N+1 bits. Each bit of the shift register is set so as to become a predetermined logic condition by a setting means. At this time, the supply of shift pulses to the shift register is begun, so that the data in the shift register is shifted and predetermined data are input in sequence. A detecting means detects whether or not the shift register has carried out the shift operations by the predetermined times on the basis of the logical condition of the predetermined bit or bits in the shift register. When the detecting means detects that the shift operations have been carried out by the predetermined times, the supply of the shift pulses to the shift register is stopped. This shift register circuit can be used for a parallel to serial converter or a serial to parallel converter.

REFERENCES:
patent: 3160876 (1964-12-01), Stochel
patent: 3310626 (1967-03-01), Cassidy
patent: 4152698 (1979-05-01), van Deursen
Snyder, Serial-Parallel Data Converter, IBM Technical Disclosure Bulletin, vol. 8, No. 2, 7/1965, pp. 226-228.
Williams, Deserializer, IBM Technical Disclosure Bulletin, vol. 14, No. 2, 7/1971, p. 653

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