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:
Jul. 16, 2013
Filed:
Jul. 26, 2011
Applicant:
Young-jun Yoon, Gyeonggi-do, KR;
Inventor:
Young-Jun Yoon, Gyeonggi-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a plurality of first pads and a plurality of memory unit blocks. The plurality of first pads are configured to input/output data in a test mode. The plurality of memory unit blocks each include a plurality of second pads configured to input/output data in a normal mode, and a plurality of data path selection units configured to connect internal circuits of the corresponding memory unit block to the plurality of first pads or the plurality of second pads in response to a unit block selection flag signal, a write enable signal, a read enable signal, and a mode control signal.