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:
Jul. 10, 2012
Filed:
Aug. 30, 2010
Sam Kyu Won, Yongin-si, KR;
Jae Won Cha, Seoul, KR;
IN Ho Kang, Seoul, KR;
Kwang Ho Baek, Seoul, KR;
Sam Kyu Won, Yongin-si, KR;
Jae Won Cha, Seoul, KR;
In Ho Kang, Seoul, KR;
Kwang Ho Baek, Seoul, KR;
Hynix Semiconductor Inc., Icheon-si, KR;
Abstract
A semiconductor memory device and an erase method in the same are disclosed. The semiconductor memory device includes a memory cell array configured to have a cell string in which memory cells are coupled, a block switch configured to switch a global word line and a word line of the memory cell array, a block decoder configured to control the block switch, and a recycle switch configured to use an erase voltage charged in a P-well of the memory cell array as a supply voltage of the block decoder.