Driving circuit with three output levels, one output level being

Details Driving circuit with three output levels, one output level being Driving circuit with three output levels, one output level being

1999-01-19

2000-12-05

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327333, 327541, 36518523, 326 88, H03K 1710, H03K 190185

Patent

active

06157225&

ABSTRACT:
A driving circuit supplied by a supply voltage and a reference voltage, generates an output signal and comprises a first circuit adapted to selectively couple the output signal to the reference voltage or to an internal voltage line internal to the driving circuit in response to a first control signal. The driving circuit also includes a switching circuit adapted to selectively couple the internal voltage line to the supply voltage. A boosting circuit is connected to the internal voltage line and is adapted to bring the internal voltage line to a boosted voltage. The switching circuit and the boosting circuit are controlled by a second control signal to be alternatively activatable, in such a way to bring the internal voltage line either to the supply voltage or to the boosted voltage.

REFERENCES:
patent: 4697101 (1987-09-01), Iwahashi et al.
patent: 5412604 (1995-05-01), Fukuda et al.
patent: 5760621 (1998-06-01), Keeth
patent: 5952851 (1999-09-01), Yuen

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