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:
May. 12, 2009
Filed:
Dec. 27, 2006
Applicants:
Dong-kyu Youn, Ansan-si, KR;
Jin-yub Lee, Seocho-gu, KR;
Inventors:
Dong-Kyu Youn, Ansan-si, KR;
Jin-Yub Lee, Seocho-gu, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nonvolatile memory device comprises a memory cell array comprising memory cells arranged in rows and first columns and flag cells arranged in the rows and second columns. The device further comprises a page buffer configured to read flag data bits from flag cells in a selected row via the second columns, and a judgment unit configured to judge whether memory cells in the selected row are programmed with MSB data based on the flag data bits read by the page buffer.