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:
May. 02, 2006
Filed:
Jul. 06, 2004
Applicant:
Junichi Ogane, Tokyo, JP;
Inventor:
Junichi Ogane, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 16/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-volatile memory device includes: a first memory cell array having memory cells, in which one bit data is stored by a plurality of memory cells concurrently; and a second memory cell array having memory cells, in which one bit data is stored by a single memory cell. The device also includes a reference signal generating circuit that generates first and second reference signals, which are used for reading data stored in the first memory cell array and the second memory cell array, respectively; and a sense circuit that accesses the first and second memory cell arrays according to the first and second reference signals, respectively.