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.:
Date of Patent:
Jun. 16, 2015
Filed:
Dec. 30, 2011
Applicant:
Won Kyung Kang, Icheon-si, KR;
Inventor:
Won Kyung Kang, Icheon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 16/06 (2006.01); G11C 11/56 (2006.01); G11C 16/04 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 11/5635 (2013.01); G11C 16/0483 (2013.01); G11C 16/349 (2013.01); G11C 2211/5646 (2013.01); G11C 2211/5644 (2013.01);
Abstract
A method for operating a semiconductor memory device including a memory block constituted by first memory cells used as main memory cells and second memory cells includes reading out an erase count of the memory block stored in the second memory cells, erasing the memory block, increasing the read-out erase count, and storing the increased erase count in the second memory cells.