Internal voltage generator

Details Internal voltage generator Internal voltage generator

2009-06-05

2010-11-30

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

C327S543000, C327S546000, C363S074000

Reexamination Certificate

active

07843256

ABSTRACT:
An internal voltage generator includes a pull-up driver to pull-up drive a supply terminal of an internal voltage, a pull-down driver to pull-down drive the supply terminal of the internal voltage, a pull-up driving control unit to turn on the pull-up driver when a first feedback voltage corresponding to the internal voltage becomes lower than a reference voltage, and a pull-down driving control unit to turn on the pull-down driver when a second feedback voltage becomes higher than the reference voltage, the second feedback voltage having a voltage level corresponding to that of the internal voltage and lower than that of the first feedback voltage.

REFERENCES:
patent: 6281665 (2001-08-01), Miyaba et al.
patent: 6339318 (2002-01-01), Tanaka
patent: 6600692 (2003-07-01), Tanzawa

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