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. 24, 2020
Filed:
Sep. 24, 2018
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Kang Wook Jo, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/26 (2006.01); G11C 11/56 (2006.01); G11C 16/04 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 16/26 (2013.01); G11C 11/5642 (2013.01); G11C 16/0483 (2013.01); G11C 16/3459 (2013.01);
Abstract
There are provided a memory device and an operating method thereof. The memory device includes: a memory cell; a bit line and a word line, coupled to the memory cell; and a page buffer configured to perform a read operation on the memory cell, wherein the page buffer senses a program state of the memory cell as one of at least three program states by performing a first evaluation operation, a first sensing operation, a second evaluation operation, and a second sensing operation when one read voltage is applied to the word line during the read operation.