Negative voltage boosting circuit

Details Negative voltage boosting circuit Negative voltage boosting circuit

2006-01-31

2006-01-31

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S537000, C363S060000

Reexamination Certificate

active

06992522

ABSTRACT:
In a negative voltage boosting circuit in which a plurality of boosting unit circuits for boosting negative voltage are connected in series between the input and output terminals of the negative boosting circuit for generating negative voltage at the output terminal. Each of such circuits includes a MOS transistor for transferring charge having one of either the source or the drain connected to an input terminal of the boosting circuit and the other of the source or the drain connected to an output terminal of the boosting circuit. At least one MOS transistor has a well region forming a channel region of the MOS transistor for transferring charge. The well region is biased by electric potential at the output terminal of another boosting unit circuit in an output direction from the biased boosting unit circuit.

REFERENCES:
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patent: 5812018 (1998-09-01), Sudo et al.
patent: 5982224 (1999-11-01), Chung et al.
patent: 6163487 (2000-12-01), Ghilardelli
patent: 6175264 (2001-01-01), Jinbo
patent: 6720822 (2004-04-01), Torrisi et al.
patent: 11-265593 (1999-09-01), None

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