The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7623403 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 24, 2009

Filed:

Dec. 03, 2007
Applicants:

Jae-won Cha, Icheon-si, KR;

Sam-kyu Won, Icheon-si, KR;

Kwang-ho Baek, Seoul, KR;

Inventors:

Jae-Won Cha, Icheon-si, KR;

Sam-Kyu Won, Icheon-si, KR;

Kwang-Ho Baek, Seoul, KR;

Assignee:

Hynix Semiconductor Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
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.


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Cha, Jae-Won. (2009). Nand flash memory device and method of operating the same (U.S. Patent No. 7623403). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7623403

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