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:
Nov. 02, 2010
Filed:
Dec. 19, 2007
Jimmy G. Foster, Sr., Morrisville, NC (US);
Nickolaus J. Gruendler, Raleigh, NC (US);
Suzanne M. Michelich, Waukesha, WI (US);
Jacques B. Taylor, Raleigh, NC (US);
Jimmy G. Foster, Sr., Morrisville, NC (US);
Nickolaus J. Gruendler, Raleigh, NC (US);
Suzanne M. Michelich, Waukesha, WI (US);
Jacques B. Taylor, Raleigh, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Fault injection in dynamic random access memory ('DRAM') modules for performing built-in self-tests ('BISTs') including establishing, in the mode registers of the DRAM modules by the memory controller through the shared address bus, an injection of a fault into one or more signal lines of a DRAM module, the fault characterized by a fault type; writing data by the memory controller through a data bus to the DRAM modules, the data identifying a particular DRAM module; and responsive to receiving the data, injecting, by the particular DRAM module, the fault characterized by the fault type into the one or more signal lines of the particular DRAM module.