Switching output circuit with high speed operation and low power

Details Switching output circuit with high speed operation and low power Switching output circuit with high speed operation and low power

1989-07-18

1991-01-15

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 357 34, H03K 19088

Patent

active

049856480

ABSTRACT:
Respective current supply means (I.sub.A, I.sub.B) control conducting periods of corresponding transistors (Q.sub.3, Q.sub.4), whereby conducting periods of driving transistore (Q.sub.6, Q.sub.7) are also controlled. Thus, periods in which both of the driving transistors (Q.sub.6, Q.sub.7) simultaneously enter ON states are reduced and through current (I.sub.S) flowing to the ground level GND through the driving transistors (Q.sub.6, Q.sub.7) is reduced. A pull-down transistor (Q.sub.8) controls a conducting period of the driving transistor (Q.sub.7), whereby periods in which both of the driving transistors (Q.sub.6, Q.sub.7) simultaneously enter ON states are reduced and the through current (I.sub.S) is reduced.

REFERENCES:
patent: 3641368 (1972-02-01), Gamble et al.
patent: 4339676 (1982-07-01), Ramsey
patent: 4454432 (1984-06-01), Wood
patent: 4467223 (1984-08-01), Neely
patent: 4476403 (1984-10-01), Allen
patent: 4514651 (1985-04-01), Miller et al.
patent: 4585959 (1986-04-01), Baskett et al.
patent: 4591741 (1986-03-01), Cooper
patent: 4745308 (1988-03-01), Neely
patent: 4857776 (1989-08-01), Khan
patent: 4912054 (1990-03-01), Tomassetti
IBM Technical Disclosure Bulletin-"High Speed Bipolar Push-Pull circuit", 12/86.
IBM Technical Disclosure Bulletin-"Active Pull Down For Current-Controlled Gate", 4/82.

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