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:
Aug. 08, 2023
Filed:
Oct. 06, 2021
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventors:
Ryu Ogiwara, Yokohama Kanagawa, JP;
Daisaburo Takashima, Yokohama Kanagawa, JP;
Takahiko Iizuka, Yokohama Kanagawa, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/06 (2006.01); G11C 7/12 (2006.01); G11C 5/06 (2006.01); G11C 7/10 (2006.01); G11C 7/14 (2006.01);
U.S. Cl.
CPC ...
G11C 7/065 (2013.01); G11C 5/06 (2013.01); G11C 7/1069 (2013.01); G11C 7/12 (2013.01); G11C 7/14 (2013.01);
Abstract
According to one embodiment, a memory device includes: a plurality of memory cells stacked in a first direction orthogonal to a substrate and each including a memory element having at least three resistance states and a selector coupled in parallel to the memory element; a bit line electrically coupled to the memory cells and extending in a second direction intersecting the first direction; and a sense amplifier configured to compare a voltage of the bit line with a plurality of reference voltages and sense data stored in the memory cells.