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:
Sep. 27, 2011
Filed:
Jun. 12, 2009
Jaesoo Lee, Hwaseong-si, KR;
Kangho Roh, Seoul, KR;
Wonhee Cho, Anyang-si, KR;
Hojun Shim, Seoul, KR;
Youngjoon Choi, Seongnam-si, KR;
Jaehoon Heo, Gunpo-si, KR;
Je-hyuck Song, Seoul, KR;
Seung-duk Cho, Seoul, KR;
Seontaek Kim, Suwon-si, KR;
Moonwook OH, Seoul, KR;
Jong Tae Park, Hwaseong-si, KR;
Wonmoon Cheon, Hwaseong-si, KR;
Chanik Park, Hwaseong-si, KR;
Yang-sup Lee, Gunpo-si, KR;
Jaesoo Lee, Hwaseong-si, KR;
Kangho Roh, Seoul, KR;
Wonhee Cho, Anyang-si, KR;
Hojun Shim, Seoul, KR;
Youngjoon Choi, Seongnam-si, KR;
Jaehoon Heo, Gunpo-si, KR;
Je-Hyuck Song, Seoul, KR;
Seung-Duk Cho, Seoul, KR;
Seontaek Kim, Suwon-si, KR;
Moonwook Oh, Seoul, KR;
Jong Tae Park, Hwaseong-si, KR;
Wonmoon Cheon, Hwaseong-si, KR;
Chanik Park, Hwaseong-si, KR;
Yang-sup Lee, Gunpo-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
One embodiment of a nonvolatile memory device includes a memory cell array including a plurality of multi-level cells, and a control unit configured to determine a characteristic of data to be stored in the memory cell array. The control unit is configured to select one of plural multi-bit programming methods based on the determination. Data is stored in the memory cell array according to the selected multi-bit programming method, and at least one of the plural multi-bit programming methods maintains least significant bit data when there is a program fail of most significant bit data.