公开(公告)号：US20140281824A1

公开(公告)日：2014-09-18

申请号：US14179614

申请日：2014-02-13

申请人： EUN CHU OH ,  JUNJIN KONG ,  YOUNGGEON YOO ,  KIJUN LEE

发明人： EUN CHU OH ,  JUNJIN KONG ,  YOUNGGEON YOO ,  KIJUN LEE

IPC分类号： G06F11/16 ,  G11C11/16

CPC分类号： G11C11/1675 ,  G11C7/1006 ,  G11C11/2275 ,  G11C13/0004 ,  G11C13/0007 ,  G11C13/0069 ,  G11C2013/0076 ,  G11C2029/0411

摘要： A data write method of a nonvolatile memory device is provided which includes receiving write data to be stored in selected memory cells; reading data stored in the selected memory cells; processing the write data according to a plurality of data modulation manners to generate a plurality of modulated data values; calculating the number of flip bits and the number of switching bits when the write data and the plurality of modulated data values are overwritten on the selected memory cells, each flip bit indicating that a logical value of a selected memory cell is reversed and each switching bit indicating that a logical value of a selected memory cell is switched from a first logical value to a second logical value; and selecting one of the write data and the plurality of modulated data values according to calculating the number of flip bits and the number of switching bits.

摘要翻译： 提供了一种非易失性存储器件的数据写入方法，包括接收要存储在所选存储器单元中的写数据; 读取存储在所选存储单元中的数据; 根据多个数据调制方式处理写入数据以产生多个调制数据值; 当选择的存储单元写入写入数据和多个调制数据值时，计算翻转位数和切换位数，每个翻转位指示所选存储单元的逻辑值相反，并且每个开关位 指示所选存储单元的逻辑值从第一逻辑值切换到第二逻辑值; 以及根据计算翻转位数和切换位数来选择写入数据和多个调制数据值之一。

公开(公告)号：US20140115237A1

公开(公告)日：2014-04-24

申请号：US14053893

申请日：2013-10-15

申请人： YOUNGGEON YOO ,  JUNJIN KONG ,  CHANGKYU SEOL ,  HONG RAK SON ,  HYUNSEUK YOO

发明人： YOUNGGEON YOO ,  JUNJIN KONG ,  CHANGKYU SEOL ,  HONG RAK SON ,  HYUNSEUK YOO

IPC分类号： G06F12/02

CPC分类号： G06F12/0246 ,  G11C11/1659 ,  G11C11/1675 ,  G11C13/0069 ,  G11C16/10 ,  G11C2013/0076

摘要： A method of programming data in a nonvolatile memory device comprises receiving program data to be programmed in selected memory cells of the nonvolatile memory device, reading data from the selected memory cells, encoding the program data using at least one encoding scheme selected from among multiple encoding schemes according to a comparison of the program data and the read data, generating flag data including encoding information, and programming the encoded program data and the flag data in the selected memory cells.

摘要翻译： 一种在非易失性存储器件中编程数据的方法包括：接收要在非易失性存储器件的选定存储器单元中编程的程序数据，从所选择的存储器单元读取数据，使用从多个编码中选择的至少一种编码方案对程序数据进行编码 根据程序数据和读取数据的比较，生成包括编码信息的标志数据，以及对选择的存储单元中的编码程序数据和标志数据进行编程的方案。

公开(公告)号：US20140185361A1

公开(公告)日：2014-07-03

申请号：US14141609

申请日：2013-12-27

申请人： EUN CHO OH ,  HONG RAK SON ,  HONG RAK SON ,  YOUNGGEON YOO

发明人： EUN CHO OH ,  HONG RAK SON ,  HONG RAK SON ,  YOUNGGEON YOO

IPC分类号： G11C13/00

CPC分类号： G11C13/004 ,  G11C11/16 ,  G11C11/1673 ,  G11C13/0002 ,  G11C13/0004 ,  G11C2013/0054

摘要： A nonvolatile random access memory device includes a plurality of memory cells configured to store data therein, a plurality of reference cells separate from the memory cells, the reference cells each configured to output a corresponding reference cell signal, and a read/write circuit. The read/write circuit is configured to generate from the reference cell signals a reference signal which is variable to have a plurality of different reference levels. The read/write circuit is further configured to identify, in response to the reference signal, a logic state among a first logic state and a second logic state for each of one or more selected memory cells, and to output read data corresponding to the identified logic state.

摘要翻译： 非易失性随机存取存储器件包括多个存储器单元，其被配置为在其中存储数据，多个参考单元与存储器单元分离，每个参考单元被配置为输出相应的参考单元信号，以及读/写电路。 读/写电路被配置为从参考单元信号产生可变为具有多个不同参考电平的参考信号。 读/写电路还被配置为响应于参考信号识别一个或多个所选择的存储器单元中的每一个的第一逻辑状态和第二逻辑状态之间的逻辑状态，并且输出与所识别的对应的读取数据 逻辑状态。