Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1981-10-13
1984-12-11
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307299A, 307455, 307463, 365154, H03K 3286, H03K 19082
Patent
active
044880634
ABSTRACT:
A CML compatible EFL type latch with a data input transistor differentially coupled as a current switch to one emitter of a second multi-emitter transistor. The second emitter of the second transistor is differentially coupled as a current switch to a third transistor. The true output of the latch is connected to the collector of the second transistor, and to the base of the third transistor. Second, clamping Schottky barrier disposed between the collector and base of the third transistor. A third current switch responsive to a system clock source is connected between the two current switches to complete the latch circuitry. Utilizing this arrangement, the EFL type latch is connected directly to a combination decoder-multiplexer circuit.
REFERENCES:
patent: 3795822 (1974-03-01), Skokan
patent: 4145623 (1979-03-01), Doucette
R. I. Spadavecchia et al., "Low-Power Current Switch Circuitry with Higher Power External Drive Circuitry" IBM TDB vol. 14, No. 12, May 1972, pp. 3688-3689.
A. W. Chang et al., "True-Complement Generator" IBM Technical Disclosure Bulletin, vol. 15, No. 4, Sep. 1972, pp. 1098-1099.
Burroughs Corporation
Dwyer Joseph R.
Fassbender Charles J.
Peterson Kevin R.
Zazworsky John
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