NAND flash memory device and method of operating the same

Details NAND flash memory device and method of operating the same NAND flash memory device and method of operating the same

2007-12-03

2009-11-24

Le, Thong Q (Department: 2827)

Static information storage and retrieval

Read/write circuit

Having fuse element

C365S201000, C365S189120, C365S185170

Reexamination Certificate

active

07623403

ABSTRACT:
A NAND flash memory device having memory cells for storing data includes a fuse circuit configured to store option information for operation of the NAND flash memory device as logic codes. A register circuit includes registers for temporarily storing the logic codes stored in the fuse circuit. A test circuit is configured to change the logic code stored in the register circuit and store the changed logic code irrespective of the logic code of the fuse circuit for test operation of the NAND flash memory device. A processor is configured to control operation of the NAND flash memory device.

REFERENCES:
patent: 6504771 (2003-01-01), Shionoya
patent: 6649931 (2003-11-01), Honma et al.
patent: 2002/0039322 (2002-04-01), Tran et al.
patent: 2005/0240838 (2005-10-01), Iwai
patent: 2002-042484 (2002-02-01), None
patent: 2005-011451 (2005-01-01), None
patent: 1019990069873 (1999-09-01), None
patent: 1020000062552 (2000-10-01), None

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