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:
Apr. 04, 2023
Filed:
Sep. 17, 2020
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Jae Il Lim, Yeoju-si, KR;
Su Hae Woo, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/44 (2006.01); G11C 29/38 (2006.01); G06F 11/20 (2006.01); G11C 29/16 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G11C 29/44 (2013.01); G06F 11/2094 (2013.01); G11C 29/16 (2013.01); G11C 29/38 (2013.01); G11C 29/4401 (2013.01); G11C 29/70 (2013.01); G11C 29/76 (2013.01); G11C 29/814 (2013.01); G11C 29/816 (2013.01); G06F 2201/85 (2013.01); G11C 2029/4402 (2013.01);
Abstract
A semiconductor memory device includes a memory and a memory controller configured to control the memory. The memory controller includes a normal operation control part and a repair part. The normal operation control part is configured to control a normal operation of the memory and includes a plurality of storage spaces used while the normal operation is controlled. The repair part is configured to control a repair operation of the memory and stores faulty addresses detected while the repair operation is controlled into the plurality of storage spaces included in the normal operation control part.