Voltage reference apparatus, method, and system

Details Voltage reference apparatus, method, and system Voltage reference apparatus, method, and system

2007-02-13

2007-02-13

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

11000317

ABSTRACT:
A trimmable voltage reference uses a flash cell with a variable threshold voltage and a feedback loop to trim a reference voltage. The threshold voltage of the flash cell can be programmed to affect the reference voltage.

REFERENCES:
patent: 5339272 (1994-08-01), Tedrow et al.
patent: 5946258 (1999-08-01), Evertt et al.
patent: 6396739 (2002-05-01), Briner
patent: 6559710 (2003-05-01), Matsuoka
patent: 6798278 (2004-09-01), Ueda
patent: 6806762 (2004-10-01), Stair et al.
patent: 6970037 (2005-11-01), Sakhuja et al.

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