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:
Oct. 22, 2013
Filed:
Jul. 08, 2011
Tai Sik Shin, Gyeonggi-do, KR;
Duck Ju Kim, Gyeonggi-do, KR;
Dong Hyeon Ham, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A memory system includes a flash memory device including a first memory block group on which a least significant bit (LSB) program operation has been performed and a program operation on another bit has not been performed and a second memory block group on which both the LSB program operation and a most significant bit (MSB) program operation have been performed and a memory controller configured to check which of the first and second memory block groups a memory block selected for an LSB data read operation belongs to and set a level of a read voltage for the LSB data read operation of the selected memory block.