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. 30, 2007
Filed:
Apr. 05, 2005
Applicant:
Norbert Rehm, Apex, NC (US);
Inventor:
Norbert Rehm, Apex, NC (US);
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Devices and methods that allow floating word lines in memory arrays to be detected are provided. By driving local word lines from each side with divided drive lines, local word lines on one side of the memory array may be set to an predetermined voltage level (e.g., an intermediate voltage level between Vand V). After disconnecting the local word lines on the one side, memory cells on the other side may be tested for read failures, which may indicate floating word lines on the one side.