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.

Date of Patent:
Apr. 14, 2015

Filed:

Jan. 09, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Marc A. Gollub, Round Rock, TX (US);

Girisankar Paulraj, Tamilnadu, IN;

Diyanesh B. Vidyapoornachary, Bangalore, IN;

Kenneth L. Wright, Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 7/00 (2006.01); G11C 29/10 (2006.01); G11C 29/26 (2006.01); G11C 5/04 (2006.01);
U.S. Cl.
CPC ...
G11C 29/10 (2013.01); G11C 5/04 (2013.01); G11C 29/26 (2013.01);
Abstract

A method includes reading, at a memory controller, data from a first dynamic random-access memory (DRAM) die layer of a DRAM stack. The method also includes writing the data to a second DRAM die layer of the DRAM stack. The method further includes sending a request to a test engine to test the first DRAM die layer after writing the data to the second DRAM die layer.


Find Patent Forward Citations

Loading…