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:
Dec. 09, 2008
Filed:
Oct. 05, 2005
Applicant:
Pan-suk Kwak, Gyeonggi-do, KR;
Inventor:
Pan-Suk Kwak, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lock-out device is provided that determines whether to lock out a chip or not according to the result of operation voltage drop detected at a plurality of positions in a semiconductor integrated circuit device. As a result, unnecessary lock-out operations can be prevented and a program operation or an erase operation in a semiconductor memory device can be executed stably.