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.

Date of Patent:
Jan. 19, 2016

Filed:

Jul. 24, 2015
Applicant:

SK Hynix Inc., Icheon-Si, KR;

Inventors:

Ji-Hyae Bae, Icheon-Si, KR;

Dong-Keun Kim, Icheon-Si, KR;

Assignee:

SK hynix Inc., Icheon-Si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
G11C 29/78 (2013.01); G11C 13/003 (2013.01); G11C 13/0069 (2013.01);
Abstract

An electronic device comprising a semiconductor memory unit that may include a plurality of data transfer lines; a plurality of columns including a plurality of memory cells; at least one redundancy column including a plurality of redundancy memory cells and configured to replace at least one column among the plurality of columns; a repair select information generation unit configured to store a column address of the at least one column to be replaced among the plurality of columns and generate a plurality of repair select information in response to the stored column address; and a plurality of repair selection units connected with data transfer lines corresponding to them among the plurality of data transfer lines, columns corresponding to them among the plurality of columns and the at least one redundancy column, and each configured to electrically connect a column selected among a column corresponding to it and the at least one redundancy column, to a data transfer line corresponding to it, in response to repair select information corresponding to it among the plurality of repair select information.


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