Internal voltage generating circuit

Details Internal voltage generating circuit Internal voltage generating circuit

2011-05-24

2011-05-24

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S541000

Reexamination Certificate

active

07948303

ABSTRACT:
An internal voltage generating circuit is capable of controlling an amount of charge pumping according to an external power supply voltage. The internal voltage generating circuit includes a periodic signal generating unit configured to control generation of periodic signals according to a level of an external power supply voltage, and a pumping unit driven according to the periodic signals generated by the periodic signal generating unit.

REFERENCES:
patent: 5982222 (1999-11-01), Kyung
patent: 6154411 (2000-11-01), Morishita
patent: 6642866 (2003-11-01), Kuo et al.
patent: 2009/0219080 (2009-09-01), Park
patent: 1020050079179 (2005-08-01), None
Notice of Preliminary Rejection issued from Korean Intellectual Property Office on Feb. 7, 2011.

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