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. 03, 2014
Filed:
Jul. 12, 2012
Applicants:
Sang-mook OH, Gyeonggi-do, KR;
Tae-sik Yun, Gyeonggi-do, KR;
Inventors:
Sang-Mook Oh, Gyeonggi-do, KR;
Tae-Sik Yun, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/18 (2006.01); G11C 29/00 (2006.01); G11C 29/02 (2006.01);
U.S. Cl.
CPC ...
G11C 17/18 (2013.01); G11C 29/838 (2013.01); G11C 29/787 (2013.01); G11C 29/027 (2013.01); G11C 29/02 (2013.01);
Abstract
A semiconductor integrated circuit includes: a normal fuse cell array programmed with a normal fuse data; a dummy fuse cell array programmed with a verifying fuse data; and a sensor configured to read the verifying fuse data from the dummy fuse cell array and read the normal fuse data from the normal fuse cell array, wherein the normal fuse cell array is configured to be read according to a reading result of the dummy fuse cell array.