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:
May. 16, 2017
Filed:
May. 12, 2016
SK Hynix Inc., Gyeonggi-do, KR;
Ki-Sung Kim, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A memory system includes a memory device including a plurality of memory blocks, each memory block including a plurality of word lines, each word line being coupled to a plurality of memory cells, and a controller suitable for grouping the word lines into a plurality of word line groups, wherein when receiving a read command for data stored in a first memory block, the controller performs a read operation for word lines of the first memory block, checks for read fail word lines in the word lines of the first memory block, checks for word line groups including the read fail word lines, and transmits a set command corresponding to the read fail word lines to the word line groups which contain read fail word lines.