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.

Date of Patent:
Jan. 18, 2022

Filed:

Aug. 19, 2020
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Sun Hak Kim, Gyeonggi-do, KR;

Yong Hwan Hong, Gyeonggi-do, KR;

Byung Ryul Kim, Gyeonggi-do, KR;

Jae Young Lee, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 11/4093 (2006.01); G11C 11/408 (2006.01); G11C 11/4097 (2006.01); G06F 11/10 (2006.01); G11C 15/04 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4093 (2013.01); G06F 11/1004 (2013.01); G06F 11/1068 (2013.01); G11C 7/106 (2013.01); G11C 11/4085 (2013.01); G11C 11/4097 (2013.01); G11C 15/04 (2013.01);
Abstract

Provided herein is a memory device and a method of operating the same. The memory device may include a CAM block configured to store CAM data required for various operations, a page buffer group configured to store the CAM data read from the CAM block through a CAM read operation, an extra register configured to store extra data generated by performing an operation on the CAM data, an operation logic configured to perform an operation of checking a defect in the extra register, registers configured to sequentially store operation data generated through the defect check operation, a fixed register configured to store fixed data obtained through an operation performed to check an error in the CAM data, and core circuits configured to perform the CAM read operation and transmit the operation data and the CAM data to the extra register, the registers, and the fixed register.


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