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:
Jan. 02, 2024
Filed:
Nov. 19, 2021
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/34 (2006.01); G11C 16/10 (2006.01); G11C 16/08 (2006.01); G11C 16/26 (2006.01); G11C 16/30 (2006.01); G11C 16/16 (2006.01);
U.S. Cl.
CPC ...
G11C 16/3459 (2013.01); G11C 16/08 (2013.01); G11C 16/102 (2013.01); G11C 16/16 (2013.01); G11C 16/26 (2013.01); G11C 16/30 (2013.01); G11C 16/3495 (2013.01);
Abstract
An operating method of a memory device, comprises: a program operation of applying a program voltage to a selected word line to program selected memory cells connected to the selected word line, a first verification operation of applying a first verification voltage to the selected word line and applying a first verification pass voltage to unselected word lines to verify a first program state of the selected memory cells, and a second verification operation of applying a second verification voltage to the selected word line and applying a second verification pass voltage to the unselected word lines to verify a second program state higher than the first program state.