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:
Apr. 29, 2014
Filed:
Jul. 13, 2011
Applicant:
Sang Kyu Lee, Ichon-si, KR;
Inventor:
Sang Kyu Lee, Ichon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 16/10 (2006.01); G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flash memory apparatus includes: a cell array including a plurality of main blocks, a code addressable memory (CAM) block, and a security block; a control unit configured to detect a threshold voltage change data of a main block to which a program operation has been performed among the plurality of main blocks, and set a trimming value corresponding to the detected threshold voltage change data; and a read voltage generation unit configured to generate a read voltage according to the set trimming value.