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:
Nov. 14, 2017
Filed:
Mar. 02, 2016
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Jong-Sam Kim, Gyeonggi-do, KR;
Jae-Il Kim, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 17/00 (2006.01); G11C 17/18 (2006.01); G11C 17/16 (2006.01); G11C 29/04 (2006.01); G11C 11/406 (2006.01); G11C 29/50 (2006.01); G11C 29/44 (2006.01);
U.S. Cl.
CPC ...
G11C 17/18 (2013.01); G11C 11/406 (2013.01); G11C 17/16 (2013.01); G11C 29/04 (2013.01); G11C 29/50016 (2013.01); G11C 2029/4402 (2013.01); G11C 2211/4068 (2013.01);
Abstract
A memory device includes a plurality of memory cells for storing data; a plurality of memory cells for storing data; a non-volatile memory unit; a test control unit suitable for detecting weak memory cells among the plurality of memory cells; a program control unit suitable for controlling addresses of the detected weak memory cells to be programmed in the non-volatile memory unit; and a refresh control unit suitable for refreshing the addresses stored in the non-volatile memory unit more frequently than other memory cells.