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:
Mar. 31, 2020
Filed:
Aug. 07, 2018
SK Hynix Inc., Gyeonggi-do, KR;
Sung-Ho Kim, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device includes: a non-volatile memory circuit suitable for storing defective column information; a defective latch circuit suitable for receiving and storing the defective column information from the non-volatile memory circuit during a boot-up operation; an error correction code generation circuit suitable for generating an error correction code for correcting an error of the defective column information based on the defective column information; an error correction code latch circuit suitable for storing the error correction code; an error correction circuit suitable for correcting an error of the defective column information transferred from the defective latch circuit based on the error correction code which is transferred from the error correction code latch circuit so as to produce an error-corrected defective column information; and a memory bank suitable for performing a column repair operation based on the error-corrected defective column information.