High voltage switch circuit of semiconductor device

Details High voltage switch circuit of semiconductor device High voltage switch circuit of semiconductor device

2006-04-18

2006-04-18

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S390000

Reexamination Certificate

active

07030684

ABSTRACT:
The present invention discloses a high voltage switch circuit of a semiconductor device which can efficiently switch a high voltage over about 20V required in a flash memory even in a low voltage below about 1.4V by reducing increase of a threshold voltage by a back bias, facilitate development of a low voltage memory device, and reduce an area of a pumping capacitor.

REFERENCES:
patent: 5760497 (1998-06-01), Pascucci
patent: 5767729 (1998-06-01), Song
patent: 5784326 (1998-07-01), Wu et al.
patent: 6828849 (2004-12-01), Nakamura
patent: 6909640 (2005-06-01), Jeong
patent: 6930536 (2005-08-01), Nazarian et al.

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