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. 23, 2008
Filed:
Jun. 02, 2003
Applicants:
Johann Pfeiffer, Ottobrunn, DE;
Helmut Fischer, Oberhaching, DE;
Inventors:
Johann Pfeiffer, Ottobrunn, DE;
Helmut Fischer, Oberhaching, DE;
Assignee:
Qimonda AG, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory module has a memory cell configuration. For the purpose of testing the memory cell configuration, the memory module has a test structure with at least two test circuits, which are disposed in a distributed fashion on the memory module and are connected to one another via a common test switching bus, which can be connected to an address bus of the memory module via a decoupling circuit during a test operation.