Voltage booster circuit

Details Voltage booster circuit Voltage booster circuit

1997-01-13

1998-09-22

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327534, 327536, 327589, 307110, G05F 302

Patent

active

058120181

ABSTRACT:
In order to provide a voltage booster circuit to be controlled for generating either of a positive high voltage and a negative high voltage for economizing chip size, a voltage booster circuit of the invention, having a charge transfer circuit wherein charges are transfered from a lowest node (N10) to a highest node (N15), comprises switching means (1 and 2) for selecting one of a positive high voltage output mode and a negative high voltage output mode. A positive high voltage (VPP) is output from the highest node (N15) by supplying a power supply voltage (VCC) to the lowest node (N10) in the positive high voltage output mode, and a negative high voltage (VBB) is output from the lowest node (N10) by grounding the highest node (N15) in the negative high voltage output mode.

REFERENCES:
patent: 4839787 (1989-06-01), Kojima et al.
patent: 4970409 (1990-11-01), Wada et al.
patent: 5422590 (1995-06-01), Coffman et al.
patent: 5489870 (1996-02-01), Arakawa
patent: 5675279 (1997-10-01), Fujimoto et al.

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