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. 06, 2004
Filed:
Dec. 16, 2002
Applicant:
Inventors:
Takeshi Okazawa, Kanagawa, JP;
Yuukoh Katoh, Kanagawa, JP;
Assignee:
NEC Electronics Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 1/100 ;
U.S. Cl.
CPC ...
G11C 1/100 ;
Abstract
A nonvolatile storage device and method of operation capable of preventing opens in a word line and/or bit line that may result from electromigration is disclosed. A nonvolatile storage device according to an embodiment may include a number of magnetic resistance elements provided at intersections of word lines and bit lines, a word line control circuit for selecting one word line and supplying a write current thereto in a write operation, and a bit line control circuit for selecting one bit line and supplying a write current thereto. A word line control circuit can provide a bidirectional write current to a word line.