TTL circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

Patent

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Details

307215, 307218, 307299A, H03K 1908, H03K 501

Patent

active

039341577

ABSTRACT:
A logic gate circuit includes parallel drive of an output transistor and an inverter transistor by an input transistor. The inverter transistor then drives an active pull-up transistor which improves switching speed. The parallel drive of the invention allows the use of the active pull-up transistor without requiring a change in circuit voltage levels.

REFERENCES:
patent: 3522444 (1970-08-01), Lourie
patent: 3571616 (1971-03-01), Andrews
patent: 3867644 (1975-02-01), Cline

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