Output circuit with output voltage controlled by current flow th

Details Output circuit with output voltage controlled by current flow th Output circuit with output voltage controlled by current flow th

1997-07-15

1999-12-07

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327483, H03K 1760, H03K 17687

Patent

active

059990368

ABSTRACT:
An output circuit including an input inverting buffer circuit, and an output transistor circuit controlling a voltage of an output terminal by a current flowing therein. A control terminal of the output transistor is coupled to an output of the buffer circuit and to a current divider. The current divider is controlled by a voltage level of the output terminal and diverts current flowing from the output of the buffer circuit to the output transistor. The output circuit reduces overcurrent that flows at a rise of a voltage level of an output terminal, and thereby prevents a ground voltage level from floating up and noise from occurring.

REFERENCES:
patent: 4393337 (1983-07-01), Nagai et al.
patent: 4581542 (1986-04-01), Steigerwald
patent: 5296765 (1994-03-01), Williams et al.
patent: 5424671 (1995-06-01), Hohne et al.
patent: 5489861 (1996-02-01), Seymour

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