Flash memory device and voltage generating circuit for the same

Details Flash memory device and voltage generating circuit for the same Flash memory device and voltage generating circuit for the same

2006-09-14

2009-02-03

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

C365S226000, C365S229000

Reexamination Certificate

active

07486573

ABSTRACT:
A flash memory device may include a memory cell array. The memory cell array may include a plurality of memory cells. The flash memory device may also include a voltage generator which generates a plurality of constant voltages. The voltage generator may comprise of a plurality of voltage regulators, wherein each voltage regulator is configured to divide a high voltage generated from a charge pump to generate at least two constant voltages having a constant voltage difference therebetween. The plurality of voltage regulators may have independent voltage dividing paths, wherein each path is configured to generate a separate constant voltage.

REFERENCES:
patent: 6529411 (2003-03-01), Tonda et al.
patent: 6704224 (2004-03-01), Natori
patent: 7019730 (2006-03-01), Tsuchiya
patent: 2002-170391 (2002-06-01), None
patent: 2003-217287 (2003-07-01), None
patent: 2003-249086 (2003-09-01), None
patent: 1020020071703 (2002-09-01), None

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