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:
Nov. 17, 2015
Filed:
Sep. 11, 2012
Bo-kyeom Kim, Gyeonggi-do, KR;
Bo-Kyeom Kim, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device includes a first main page buffer array configured to access data of a first main memory array; a second main page buffer array configured to access data of a second main memory array; a redundancy page buffer array configured to access data of a redundancy memory array replacing the first and second main memory array; a first redundancy transfer unit configured to transfer data between the redundancy page buffer array and the outside of the memory device through a first redundancy bus, when a first column address indicates one or more defective columns of the first main memory array; and a second redundancy transfer unit configured to transfer data between the redundancy page buffer array and the outside through a second redundancy bus, when a second column address indicates one or more defective columns of the second main memory array.