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, 2023
Filed:
Dec. 16, 2019
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Jong-Min Lee, Seoul, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/07 (2006.01); G06F 11/30 (2006.01); G06F 12/02 (2006.01); G11C 29/00 (2006.01); G11C 29/46 (2006.01); G11C 29/44 (2006.01); G11C 29/12 (2006.01);
U.S. Cl.
CPC ...
G06F 11/076 (2013.01); G06F 11/3037 (2013.01); G06F 12/0246 (2013.01); G11C 29/44 (2013.01); G11C 29/46 (2013.01); G11C 29/886 (2013.01); G06F 2212/7211 (2013.01); G11C 2029/1202 (2013.01);
Abstract
A memory system includes a memory device including a plurality of memory blocks, each including a plurality of memory cells coupled to a plurality of word lines, and a controller configured to determine an operation status regarding a selected memory block among the plurality of memory blocks by performing read test operations to the selected memory block in stages. During the read test operations, the controller adjusts the numbers of word lines selected in each of the stages, based on an error.