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:
Sep. 26, 2017
Filed:
May. 31, 2017
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Gi Pyo Um, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/16 (2006.01); G11C 16/14 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 16/14 (2013.01); G11C 16/3445 (2013.01); G11C 16/16 (2013.01); G11C 16/34 (2013.01);
Abstract
A data storage device includes a nonvolatile memory device; and a controller suitable for providing a normal erase command or a fine erase command to the nonvolatile memory device, wherein the nonvolatile memory device performs a first normal erase loop in which a first normal erase voltage and an erase verify voltage are applied to erase target memory cells, according to the normal erase command, and performs a first fine erase loop in which a first fine erase voltage and the erase verify voltage are applied to the erase target memory cells, according to the fine erase command.