Nand-type flash memory device and driving method thereof

Details Nand-type flash memory device and driving method thereof Nand-type flash memory device and driving method thereof

1996-12-20

1998-09-22

Nelms, David C.

Static information storage and retrieval

Floating gate

Particular connection

36518529, 36518533, 365218, G11C 1134, G11C 700

Patent

active

058124543

ABSTRACT:
A NAND-type flash memory device and driving method thereof is provided. The NAND-type flash memory device includes a first and a second string, a first and a second string select line, a plurality of wordlines, and a first and a second source select line between a bit line contact and a source line. Therefore, predetermined voltages are applied to a first source select line connecting a gate electrode of the first source select transistor, and a second source select line connecting a gate electrode of the second source select transistor to a gate electrode of the fourth source select transistor, thereby preventing unselected cell transistors adjacent to a selected cell transistor from being programmed during program operation of the selected cell transistor.

REFERENCES:
patent: 4962481 (1990-10-01), Choi
patent: 5204839 (1993-04-01), Lee et al.
patent: 5590072 (1996-12-01), Choi

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