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:
Oct. 05, 2021
Filed:
Feb. 27, 2020
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Jung Hyuk Yoon, Anyang-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
G11C 13/0069 (2013.01); G11C 13/003 (2013.01); G11C 13/004 (2013.01); G11C 13/0004 (2013.01); G11C 2013/0078 (2013.01);
Abstract
A nonvolatile memory apparatus may include a write circuit and a sense amplifier. The write circuit may perform a preselection operation on a selected memory cell. When the selected memory cell was snapped back, the write circuit may selectively perform a reset write operation and a set write operation on the selected memory cell according to write data. When the selected memory cell is not snapped back, the write circuit may apply no voltage and no current to the selected memory cell. The sense amplifier may sense whether the selected memory cell was snapped back.