Method of verifying flash memory device

Details Method of verifying flash memory device Method of verifying flash memory device

2006-11-07

2008-08-26

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185250, C365S230040

Reexamination Certificate

active

07417899

ABSTRACT:
A method of verifying a flash memory device includes discharging memory cell strings respectively connected to an even bit line and an odd bit line. Next, a voltage is applied to the memory cell strings respectively connected to the even bit line and the odd bit line, thus precharging the memory cell strings. The memory cell string connected to the even bit line are verified as erased by sensing the status of each memory cell string connected to the even bit line, and the memory cell string connected to the odd bit line are verified as erased by sensing the status of the memory cell string connected to the odd bit line.

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