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:
Jan. 26, 2016
Filed:
Apr. 28, 2014
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Masaki Aoki, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A semiconductor storage device includes: a memory cell array in which a plurality of pairs of bit lines and source lines, a plurality of word lines, and a plurality of resistance change memory cells are arranged; a write driver, a sense amplifier, a global bit line and a global source line provided on a first end side; a plurality of bit line switches provided between the plurality of bit lines and the global bit line; a plurality of source line switches provided between the plurality of source lines and the global source line; a column decoder; a row decoder; a plurality of bit line ground switches provided between the plurality of bit lines and a ground line on a second end side; and a plurality of source line ground switches provided between the plurality of source lines and a ground line on the second end side.