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:
May. 27, 2008

Filed:

Dec. 27, 2006
Applicant:

Kyu Hee Lim, Incheon-si, KR;

Inventor:

Kyu Hee Lim, Incheon-si, KR;

Assignee:

Hynix Semiconductor Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A repair fuse circuit includes an address comparator, and a plurality of I/O bus select bit output units. The address comparator outputs repair signals for selecting a redundant column that will replace a full column of a plurality of redundant columns according to a column address. The plurality of I/O bus select bit output units for outputting signals corresponding to respective bits of I/O bus repair signals for selecting an I/O bus to which the redundant column will be connected according to the repair signals.


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