Integrated circuit having latch circuit with multiplexer selecti

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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307279, 307443, 307473, 307585, H03K 3356, H03K 19094

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active

047091738

ABSTRACT:
An integrated circuit having a latch circuit with a selection function includes a selection circuit having a plurality of logic circuits each capable of presenting three output states depending on a selection signal supplied thereto, a latch circuit having a bistable circuit composed of first and second logic inverting circuits, and a connection system for supplying an output of the selection circuit to an input of the latch circuit. An output resistance of the second logic inverting circuit is set to be at least ten times as high as an output resistance of any one of the logic circuits which make up the selection circuit.

REFERENCES:
patent: 3457435 (1969-07-01), Burns et al.
patent: 3812384 (1974-05-01), Skorup
patent: 3993916 (1976-11-01), Copeland, III et al.
patent: 4063225 (1977-12-01), Stewart
patent: 4164666 (1979-08-01), Hirasawa
patent: 4329600 (1982-05-01), Stewart
patent: 4446390 (1984-05-01), Alaspa
patent: 4571509 (1986-02-01), Tobita
patent: 4608504 (1986-08-01), Yamamoto
"Polarity Hold Latch with Tristate Output"; IBM-TDB; vol. 27, No. 11, pp. 6562-6563, 4/1985.

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