High speed complementary NOR (NAND) circuit

Details High speed complementary NOR (NAND) circuit High speed complementary NOR (NAND) circuit

1983-06-27

1986-02-11

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307255, 307317A, H03K 19013, H03K 19084, H03K 1704

Patent

active

045700869

ABSTRACT:
A high speed low power logic circuit, said logic circuit having at least first and second input terminals and an output terminal, said logic circuit accepting first and second binary inputs, respectively, at said first and second input terminals and providing a binary output at said output terminal, said binary output being a predetermined logical function of said first and second binary inputs, said logic circuit comprising: a first transistor, a second transistor and a first resistor serially connected between a first source of potential and a second source of potential, said first transistor being of first conductivity type and having an emitter, base and collector, said second transistor being of a second conductivity type opposite to said first conductivity type and having an emitter base and collector; a capacitor connected in parallel with said first resistor; a second resistor connected between said base of said second transistor and said second source of potential; first connections means passively connecting in common said base of said first transistor and said base of said second transistor; first and second diodes, said first and second diodes being respectively connected between one of said first and second input terminals and said first connection means; and second connection means connecting said output terminal to said collector of said first transistor and said collector of said second transistor.

REFERENCES:
patent: 3171984 (1965-03-01), Eshelman et al.
patent: 3183366 (1965-05-01), Brode
patent: 3418492 (1968-12-01), Lin
patent: 3506846 (1970-04-01), Niemann
patent: 3790817 (1974-02-01), Dobkin
patent: 3798471 (1974-03-01), Williams et al.
patent: 4253035 (1981-02-01), Amitay
patent: 4458159 (1984-07-01), Konian
Cirovic, Basic Electronics: Devices, Circuits, and Systems, Reston Publishing Company, Inc., pp. 218-242, 1974.

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