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:
Aug. 04, 2020
Filed:
Dec. 13, 2018
Applicant:
SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;
Inventors:
Ja Beom Koo, Icheon-si, KR;
Sung Soo Chi, Yongin-si, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/408 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4087 (2013.01); G11C 11/406 (2013.01); G11C 29/785 (2013.01); G11C 29/802 (2013.01); G11C 2211/4065 (2013.01);
Abstract
A semiconductor device includes a cell array having an upper segment and a lower segment which are classified according to refresh units. The semiconductor device includes a first repair controller configured to output a first repair signal for controlling a repair operation of the upper segment based on a fuse address, a row address, a second control signal, and selection address being at a first level, and generate a first control signal for controlling a repair operation of the lower segment based on the fuse address, the row address, and selection address.