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:
Jun. 02, 2020
Filed:
Mar. 14, 2019
Applicant:
Toshiba Memory Corporation, Minato-ku, JP;
Inventors:
Ryu Ogiwara, Yokohama, JP;
Daisaburo Takashima, Yokohama, JP;
Assignee:
TOSHIBA MEMORY CORPORATION, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
G11C 13/003 (2013.01); G11C 13/0038 (2013.01); G11C 13/0004 (2013.01); G11C 13/0061 (2013.01); G11C 13/0069 (2013.01); G11C 2213/72 (2013.01);
Abstract
According to one embodiment, a memory device includes a first circuit including a resistance change memory element capable of setting a low resistance state or a high resistance state according to a falling speed of an applied voltage, and a first rectifier element connected in series to the resistance change memory element, and a second circuit including a current source, and a second rectifier element connected in series to the current source, the second circuit having a mirror relationship with the first circuit.