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. 30, 2023

Filed:

Sep. 30, 2021
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

A Ram Rim, Icheon-si, KR;

Tae Sik Yun, Icheon-si, KR;

Assignee:

SK hynix Inc., Icheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G11C 29/808 (2013.01); G11C 29/785 (2013.01); G11C 29/846 (2013.01);
Abstract

A semiconductor device includes a memory bank including a first memory block, a second memory block, and a redundancy memory block, and a column line selection circuit configured, when a fail occurs in a first column line of the first memory block, to replace the first column line of the first memory block with a first redundancy line of the redundancy memory block, and replace a second column line of the second memory block with a second redundancy line of the redundancy memory block.


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