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:
Mar. 26, 2024
Filed:
Sep. 13, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Heeeun Choi, Icheon-si, KR;
Yeong Han Jeong, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/42 (2006.01); G11C 29/00 (2006.01); G11C 29/18 (2006.01); G11C 29/36 (2006.01);
U.S. Cl.
CPC ...
G11C 29/42 (2013.01); G11C 29/18 (2013.01); G11C 29/36 (2013.01); G11C 29/785 (2013.01); G11C 2029/1802 (2013.01);
Abstract
A memory apparatus includes an address decoding circuit configured to output a test redundancy address based on an address that is transmitted from a memory controller; and a redundancy address check circuit configured to determine whether the test redundancy address is replacing a failed address, in order to perform an ECC test operation by using the test redundancy address.