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:
Jun. 14, 2016
Filed:
Sep. 08, 2014
Applicant:
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Inventors:
Chang Yong Ahn, Icheon-si, KR;
Yoon Jae Shin, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 29/38 (2006.01); G11C 29/12 (2006.01); G11C 29/48 (2006.01);
U.S. Cl.
CPC ...
G11C 29/38 (2013.01); G11C 29/1201 (2013.01); G11C 29/12005 (2013.01); G11C 29/48 (2013.01);
Abstract
A semiconductor memory apparatus may include a read/write circuit unit configured to receive an external voltage, to read data from a memory cell array, and to generate a pre-read signal, while an internal voltage is generated during a test mode, and a controller configured to selectively drive a write circuit unit in response to the pre-read signal.