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:
Dec. 04, 2012

Filed:

Dec. 31, 2010
Applicant:

Sang Kyu Lee, Icheon-si, KR;

Inventor:

Sang Kyu Lee, Icheon-si, KR;

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor memory apparatus includes a memory device having a first plane and a second plane and a repair address latch unit configured to latch a plurality of repair addresses outputted from the memory device. The apparatus also includes an address comparison unit configured to compare the plurality of repair addresses stored in the repair address latch unit and a first plane address and a second plane address which are sequentially inputted. A repair processing unit is configured to selectively activate corresponding memory cell groups of the first plane and the second plane in conformity with the comparison result of the address comparison unit under the control of a first plane signal, a second plane signal and a start pulse signal.


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