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:
Oct. 23, 2018
Filed:
Jul. 20, 2017
Applicant:
SK Hynix Inc., Icheon, KR;
Inventors:
Sang Hyun Ku, Gwangju, KR;
Jaeil Kim, Yongin, KR;
Assignee:
SK HYNIX INC., Icheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01); G11C 7/12 (2006.01); G11C 29/12 (2006.01);
U.S. Cl.
CPC ...
G11C 7/10 (2013.01); G11C 7/12 (2013.01); G11C 29/1201 (2013.01);
Abstract
A semiconductor device includes a latch signal generation circuit latching an external signal in synchronization with an internal clock signal to generate a latch signal, a test pulse generation circuit buffering the internal clock signal according to the latch signal to generate a test pulse signal, and a test period signal generation circuit generating a test period signal which is enabled, in response to a pulse of the test pulse signal, to execute a predetermined function.