Supply regulator for memory cells with suspend mode...

Details Supply regulator for memory cells with suspend mode... Supply regulator for memory cells with suspend mode...

2007-09-04

2007-09-04

Zweizig, Jeffrey (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

11252504

ABSTRACT:
An integrated circuit (IC) device includes a first voltage supply for powering first circuitry within the device, a second voltage supply for powering second circuitry within the device, a suspend circuit having an output to generate a power-down signal, and a voltage regulator circuit coupled to a power node. The voltage regulator circuit includes a first transistor coupled between the first voltage supply and the power node and having a gate responsive to a regulation signal, a second transistor coupled between the second voltage supply and the power node and having a gate responsive to the power-down signal, and a well bias circuit having an input coupled to receive the power-down signal, a first output coupled to a well region of the first transistor, and a second output coupled to a well region of the second transistor.

REFERENCES:
patent: 5786724 (1998-07-01), Teggatz
patent: 7046074 (2006-05-01), Jang
patent: 7215043 (2007-05-01), Tsai et al.

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