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:
Sep. 02, 2008
Filed:
Aug. 30, 2006
Applicants:
Bernhard Ruf, Sauerlach, DE;
Michael Angerbauer, Freutsmoos, DE;
Inventors:
Bernhard Ruf, Sauerlach, DE;
Michael Angerbauer, Freutsmoos, DE;
Assignee:
Qimonda AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory device and a method of operating a memory device is disclosed. In one embodiment of the invention, the memory device includes a plurality of multi-level memory cells each having a number m of levels not matching 2with n being a non-zero integer, and a circuit or device for combining the levels of at least two of the memory cells for write and read operations into a set of combined states and for transforming at least a subset of 2combinations of the set of combined states into n two-level data bits.