NAND flash memory device having security redundancy block...

Static information storage and retrieval – Floating gate – Particular connection

Reexamination Certificate

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Details

C365S200000

Reexamination Certificate

active

11290482

ABSTRACT:
In one aspect, a NAND flash memory device is provided which includes a plurality of main blocks for storing main data, a security block for storing security data, and a plurality of redundancy blocks each for being substituted in place of a failed main block, wherein at least one of the redundancy blocks may selectively substituted in place of a failed main block and a failed security block. In an alternative aspect, the NAND flash memory device a security redundancy block for being substituted in place of the security block in the event the security block fails.

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