TTL compatible logic gate circuit

Details TTL compatible logic gate circuit TTL compatible logic gate circuit

1974-08-14

1976-06-08

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307213, 307299A, 307317A, 307DIG1, 357 15, 357 40, H03K 1908, H03K 1912, H03K 1940, H01L 2948

Patent

active

039625907

ABSTRACT:
A logic gate circuit includes a resistance divider input to the base of an input transistor and a multiple emitter output transistor in an emitter follower configuration. The circuit has favorable switching speed and power dissipation characteristics and reduces the effect of both capacitive loading and series resistance in signal interconnections. An efficient layout of one such logic circuit has intercell wiring channels formed across the circuit and has the inputs and outputs of the circuit arranged in two lines each of which crosses perpendicular to the wiring channels.

REFERENCES:
patent: 3218483 (1965-11-01), Clapper
patent: 3518458 (1970-06-01), Camenzind
patent: 3623925 (1971-11-01), Jenkins et al.
patent: 3660676 (1972-05-01), Fleischhammer et al.
patent: 3699362 (1972-10-01), Jordan
patent: 3769524 (1973-10-01), Mathews
patent: 3860830 (1975-01-01), Akio et al.
park, "True-Complement Generator Circuit with Schottky Barrier Diodes," IMB Tech. Discl. Bull.; vol. 16, No. 4, p. 1280; 9/1973.
Chang, "True-Complement Generator"; IBM Tech. Discl. Bull.; vol. 15, No. 4, pp. 1098-1099; 9/1972.

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