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:
Feb. 10, 2015

Filed:

Feb. 15, 2013
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Hiroyuki Ohba, Kanagawa, JP;

Nobuhiro Ono, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G11C 29/12 (2006.01); G11C 29/16 (2006.01); G11C 29/26 (2006.01); G11C 29/04 (2006.01);
U.S. Cl.
CPC ...
G11C 29/12 (2013.01); G11C 29/16 (2013.01); G11C 29/26 (2013.01); G11C 2029/0401 (2013.01);
Abstract

According to one embodiment, two memory systems each including a memory and a controller are connected via a communication line. The controller includes a testing unit that performs a self-test process on the memory, a communication unit that communicates with the counterpart controller, and a status output unit. The communication unit performs a startup synchronization process which is performed before the self-test process and a termination synchronization process which is performed after the self-test process. The testing unit obtains a comprehensive test result from the test results of the two memory systems, and the status output unit of one memory system outputs the comprehensive test result.


Find Patent Forward Citations

Loading…