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. 31, 2010
Filed:
May. 30, 2008
Junya Kawamata, Kawasaki, JP;
Tsutomu Nakai, Kawasaki, JP;
Hirokazu Nagashima, Kawasaki, JP;
Kenichi Takehana, Kawasaki, JP;
Kenji Arai, Kawasaki, JP;
Kazuki Yamauchi, Kawasaki, JP;
Kazuhide Kurosaki, Kawasaki, JP;
Junya Kawamata, Kawasaki, JP;
Tsutomu Nakai, Kawasaki, JP;
Hirokazu Nagashima, Kawasaki, JP;
Kenichi Takehana, Kawasaki, JP;
Kenji Arai, Kawasaki, JP;
Kazuki Yamauchi, Kawasaki, JP;
Kazuhide Kurosaki, Kawasaki, JP;
Spansion LLC, Sunnyvale, CA (US);
Abstract
A semiconductor device has a plurality of bit lines BL provided in a memory cell area, a plurality of word lines WL provided crossing the plurality of bit lines BL, a plurality of diffusion source lines VSL provided along the plurality of word lines WL, a plurality of non-volatile active cells AC storing data, the plurality of non-volatile active cells AC being provided at cross sections of the plurality of bit lines BL and the plurality of word lines WL and being connected to the plurality of bit lines BL, the plurality of word lines WL, and the plurality of diffusion source lines VSL, and a controller simultaneously writes or reads data to and from at least two active cells AC among the plurality of active cells AC, in which the number of the plurality of active cells AC is less than that of the cross sections.