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:
Nov. 10, 2015
Filed:
Apr. 22, 2014
Applicant:
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Inventors:
Jae Bum Ko, Icheon-si, KR;
Sang Jin Byeon, Icheon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G11C 11/406 (2013.01); G11C 11/40618 (2013.01); G11C 2211/406 (2013.01);
Abstract
A stacked semiconductor apparatus includes a plurality of chips which are stacked one upon the other. One chip of the plurality of chips may be configured to generate a plurality of refresh period signals for performing refresh operations within the plurality of chips, and may be configured to transmit the plurality of refresh period signals to the plurality of chips excluding the one chip. The plurality of chips may respectively receive refresh period signals allocated to them according to chip ID signals, and may perform the refresh operations.