Flash memory device with improved pre-program function and...

Details Flash memory device with improved pre-program function and... Flash memory device with improved pre-program function and...

2006-11-28

2006-11-28

Dinh, Son T. (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185130, C365S185300

Reexamination Certificate

active

07142460

ABSTRACT:
A flash memory device has an improved pre-program function. The flash memory device comprises memory cell blocks each including wordlines, bitlines, and memory cells sharing common source lines; an erase controller generating a pre-program control signal in response to an erase command; and a voltage selection circuit selecting one of first and second common source voltages in response to one among the pre-program control signal, a read command, and a program command and outputting the selected voltage to a global common source line.

REFERENCES:
patent: 5890193 (1999-03-01), Chevallier
patent: 6288938 (2001-09-01), Park et al.
patent: 6356974 (2002-03-01), Chevallier
patent: 6515910 (2003-02-01), Lee et al.
patent: 6680865 (2004-01-01), Watanabe
patent: 7035143 (2006-04-01), Lee

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