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:
Dec. 08, 2015
Filed:
Sep. 02, 2014
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Tadashi Miyakawa, Yokohama Kanagawa, JP;
Katsuhiko Hoya, Yokohama Kanagawa, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a semiconductor storage device includes a first storage area including a plurality of memory cells each including a resistance change element which stores data; a second storage area including a plurality of memory cells each including a resistance change element which stores data; a sub memory cell array including the first storage area and the second storage area: a memory cell array including a plurality of sub memory cell arrays arranged along a column direction and a row direction; a third storage area which stores redundancy information and to supply the redundancy information to the sub memory cell array; and a control circuit which controls an access operation to the memory cell array.