Internal voltage generation circuit

Details Internal voltage generation circuit Internal voltage generation circuit

2011-06-14

2011-06-14

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07961036

ABSTRACT:
Internal voltage generation circuit including a reference oscillation signal generator for generating a reference oscillation signal according to a comparison result of a pumping voltage with a reference voltage, an oscillation signal generator for generating a plurality of oscillation signals with a predetermined phase difference and a pumping voltage generator for generating a pumping voltage through sequential charge pumping operations performed in response to the plurality of oscillation signals, respectively.

REFERENCES:
patent: 6137343 (2000-10-01), Matano
patent: 6597235 (2003-07-01), Choi
patent: 7173478 (2007-02-01), Chun
patent: 7310014 (2007-12-01), Lee et al.
patent: 7449944 (2008-11-01), Byeon et al.

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