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. 01, 2013
Filed:
Jul. 25, 2011
Applicant:
Sung Ho Kim, Ichon-shi, KR;
Inventor:
Sung Ho Kim, Ichon-shi, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory apparatus including a repair circuit may comprise: a fuse set block configured to store a repair address, compare the repair address with an input address, and generate a primary repair signal; and a redundancy control block configured to receive the primary repair signal, determine whether a repair cell in a repair memory designated by the primary repair signal is failed or not, and generate a secondary repair signal which repair the failed repair cell with another repair cell in the repair memory.