Flash memory device

Details Flash memory device Flash memory device

2007-12-18

2007-12-18

Le, Vu A. (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S185170

Reexamination Certificate

active

11299063

ABSTRACT:
A flash memory device comprises a first group of dummy memory cells disposed between source selection transistors, which are coupled to a source selection line, and memory cells coupled to a first wordline. The flash memory device further comprises a second group of dummy memory cells disposed between drain selection transistors, which are coupled to a drain selection line, and memory cells coupled to the last wordline. The flash memory device is configured to prevent program disturbance in deselected cell strings and degradation of programming/erasing speeds in a selected cell string.

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