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.

Date of Patent:
Nov. 18, 2014

Filed:

Jan. 22, 2013
Applicants:

Eun Chu OH, Hwaseong-si, KR;

Jaehong Kim, Seoul, KR;

Jongha Kim, Seongnam-si, KR;

Junjin Kong, Yongin-si, KR;

Inventors:

Eun Chu Oh, Hwaseong-si, KR;

Jaehong Kim, Seoul, KR;

Jongha Kim, Seongnam-si, KR;

Junjin Kong, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G06F 12/02 (2006.01); G11C 11/56 (2006.01); G11C 16/10 (2006.01); H01L 27/115 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G11C 16/0483 (2013.01); G11C 2211/5641 (2013.01); G11C 2211/5646 (2013.01); G11C 11/5628 (2013.01); G11C 16/10 (2013.01); H01L 27/11582 (2013.01);
Abstract

In one embodiment, the method includes overwriting a memory cell storing m-bit data to store n-bit data, where n is less than or equal to m. The memory cell has one of a first plurality of program states when storing the m-bit data, and the memory cell has one of a second plurality of program states when storing the n-bit data. The second plurality of program states include at least one program state not in the first plurality of program states.


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