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:
Oct. 18, 2011
Filed:
Nov. 25, 2009
Masahito Takehara, Yokohama, JP;
Shoichi Kawamura, Yokohama, JP;
Masahito Takehara, Yokohama, JP;
Shoichi Kawamura, Yokohama, JP;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A nonvolatile semiconductor memory device includes a memory cell array and a control circuit configured to control reading and programming operations for reading data from and inputting data to the memory cell array, respectively. The control circuit includes first and second units. The first unit is configured to count a number of bits having logic 0 or a number of bits having logic 1, to set a logic where the counted number is greater than n/2 as an initial state to regenerate programming data, and to perform a programming operation based on the regenerated data, when simultaneously programming the programming data of n bits input for a designated address. The second unit is configured to program a recognition bit for recognizing which of the logic 0 and the logic 1 the initial state of the memory cell of the designated address is in, when the programming operation is performed.