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. 24, 2018
Filed:
Apr. 12, 2017
Applicant:
SK Hynix Inc., Icheon-si, Geonggi-do, KR;
Inventor:
Jong Yeol Yang, Seoul, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/00 (2006.01); G11C 29/00 (2006.01); G11C 17/16 (2006.01); G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
G11C 29/78 (2013.01); G11C 17/16 (2013.01); G11C 17/18 (2013.01); G11C 29/76 (2013.01);
Abstract
A fuse circuit may include a plurality of first fuse sets and a plurality of second fuse sets. The plurality of first fuse sets may be used to store a defect address detected before packaging of a semiconductor apparatus. The plurality of second fuse sets may be used to store a defect address detected after the packaging. The plurality of first fuse sets may be shared by a plurality of first redundant word lines, and the plurality of second fuse sets may be in one-to-one correspondence with a plurality of second redundant word lines.