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:
Dec. 29, 2020
Filed:
Jan. 03, 2019
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Jiman Hong, Gyeonggi-do, KR;
Tae Hoon Kim, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/26 (2006.01); G06F 11/10 (2006.01); G11C 29/52 (2006.01); G11C 11/56 (2006.01); G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
G11C 16/26 (2013.01); G06F 11/1068 (2013.01); G11C 29/52 (2013.01); G11C 11/5671 (2013.01); G11C 16/0483 (2013.01);
Abstract
The memory controller includes a command generator generating first read commands respectively corresponding to each of a plurality of read voltages having different levels and transferring the first read commands to a memory device so that first read operation is performed plural times on a plurality of memory cells for each of the read voltages, and an inverted cell counter determining inverted cells showing different bit values during the first read operation performed plural times for each read voltage on the basis of read result data received from the memory device.