Dual-voltage generation system

Details Dual-voltage generation system Dual-voltage generation system

2008-03-25

2008-03-25

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S540000, C327S541000, C365S185180, C365S185190

Reexamination Certificate

active

11384846

ABSTRACT:
A voltage generation system for generating operating voltages for memory devices, especially non-volatile memories, from a single external high voltage source. In one embodiment, the system comprises an input terminal for receiving an external voltage, a charge pump for producing a first high voltage based on the external voltage to be higher than the external voltage, a first regulating circuit for regulating the first high voltage to a lower predetermined voltage, a second regulating circuit for generating a second high voltage based on the external voltage to be lower than the external voltage.

REFERENCES:
patent: 5726944 (1998-03-01), Pelley, III et al.
patent: 6373325 (2002-04-01), Kuriyama
patent: 6385086 (2002-05-01), Mihara et al.

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