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. 10, 2011
Filed:
Jun. 29, 2009
Applicants:
Kenta Kato, Seto, JP;
Masahiro Niimi, Okazaki, JP;
Koji Shimbayashi, Kasugai, JP;
Inventors:
Assignee:
Spansion LLC, Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory that employs separate Dynamic reference (Dref) areas to provide a threshold voltage reference signal. The memory includes the separate Dref areas, a data area positioned between the Dref areas, a reference array, and one or more sense amplifiers. The data area is arranged to provide an output signal, the reference cell and the separate Dref areas are arranged to provide the threshold voltage reference signal, and the sense amplifiers are arranged to receive the output signal and the threshold voltage reference signal.