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公开(公告)号:US20110103152A1
公开(公告)日:2011-05-05
申请号:US13004926
申请日:2011-01-12
IPC分类号: G11C16/28
CPC分类号: G11C16/0483 , G11C7/065 , G11C7/067 , G11C16/24 , G11C16/26 , G11C2207/063 , G11C2207/068
摘要: A semiconductor memory device comprises a plurality of memory cells connected to a bit line; and a sense amplifier operative to sense the magnitude of cell current flowing via the bit line in a selected memory cell connected to the bit line to determine the value of data stored in the memory cell. The sense amplifier includes a first transistor for precharge operative to supply current in the bit line via a first and a second sense node, a second transistor for charge transfer interposed between the first and second sense nodes, and a third transistor for continuous current supply operative to supply current in the bit line not via the first and second sense nodes.
摘要翻译: 半导体存储器件包括连接到位线的多个存储器单元; 以及读出放大器,用于感测在连接到位线的所选择的存储器单元中经由位线流动的单元电流的大小,以确定存储在存储单元中的数据的值。 感测放大器包括用于预充电的第一晶体管,用于经由第一和第二感测节点在位线中提供电流,插入在第一和第二感测节点之间的用于电荷转移的第二晶体管和用于连续电流供应的第三晶体管 以不通过第一和第二感测节点在位线中提供电流。
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公开(公告)号:US08107293B2
公开(公告)日:2012-01-31
申请号:US13004926
申请日:2011-01-12
IPC分类号: G11C16/06
CPC分类号: G11C16/0483 , G11C7/065 , G11C7/067 , G11C16/24 , G11C16/26 , G11C2207/063 , G11C2207/068
摘要: A semiconductor memory device comprises a plurality of memory cells connected to a bit line; and a sense amplifier operative to sense the magnitude of cell current flowing via the bit line in a selected memory cell connected to the bit line to determine the value of data stored in the memory cell. The sense amplifier includes a first transistor for precharge operative to supply current in the bit line via a first and a second sense node, a second transistor for charge transfer interposed between the first and second sense nodes, and a third transistor for continuous current supply operative to supply current in the bit line not via the first and second sense nodes.
摘要翻译: 半导体存储器件包括连接到位线的多个存储器单元; 以及读出放大器,用于感测在连接到位线的所选择的存储器单元中经由位线流动的单元电流的大小,以确定存储在存储单元中的数据的值。 感测放大器包括用于预充电的第一晶体管,用于经由第一和第二感测节点在位线中提供电流,插入在第一和第二感测节点之间的用于电荷转移的第二晶体管和用于连续电流供应的第三晶体管 以不通过第一和第二感测节点在位线中提供电流。
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公开(公告)号:US07881120B2
公开(公告)日:2011-02-01
申请号:US12408260
申请日:2009-03-20
IPC分类号: G11C16/06
CPC分类号: G11C16/0483 , G11C7/065 , G11C7/067 , G11C16/24 , G11C16/26 , G11C2207/063 , G11C2207/068
摘要: A semiconductor memory device comprises a plurality of memory cells connected to a bit line; and a sense amplifier operative to sense the magnitude of cell current flowing via the bit line in a selected memory cell connected to the bit line to determine the value of data stored in the memory cell. The sense amplifier includes a first transistor for precharge operative to supply current in the bit line via a first and a second sense node, a second transistor for charge transfer interposed between the first and second sense nodes, and a third transistor for continuous current supply operative to supply current in the bit line not via the first and second sense nodes.
摘要翻译: 半导体存储器件包括连接到位线的多个存储器单元; 以及读出放大器,用于感测在连接到位线的所选择的存储器单元中经由位线流动的单元电流的大小,以确定存储在存储单元中的数据的值。 感测放大器包括用于预充电的第一晶体管,用于经由第一和第二感测节点在位线中提供电流,插入在第一和第二感测节点之间的用于电荷转移的第二晶体管和用于连续电流供应的第三晶体管 以不通过第一和第二感测节点在位线中提供电流。
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公开(公告)号:US20090244978A1
公开(公告)日:2009-10-01
申请号:US12408260
申请日:2009-03-20
CPC分类号: G11C16/0483 , G11C7/065 , G11C7/067 , G11C16/24 , G11C16/26 , G11C2207/063 , G11C2207/068
摘要: A semiconductor memory device comprises a plurality of memory cells connected to a bit line; and a sense amplifier operative to sense the magnitude of cell current flowing via the bit line in a selected memory cell connected to the bit line to determine the value of data stored in the memory cell. The sense amplifier includes a first transistor for precharge operative to supply current in the bit line via a first and a second sense node, a second transistor for charge transfer interposed between the first and second sense nodes, and a third transistor for continuous current supply operative to supply current in the bit line not via the first and second sense nodes.
摘要翻译: 半导体存储器件包括连接到位线的多个存储器单元; 以及读出放大器,用于感测在连接到位线的所选择的存储器单元中经由位线流动的单元电流的大小,以确定存储在存储单元中的数据的值。 感测放大器包括用于预充电的第一晶体管,用于经由第一和第二感测节点在位线中提供电流,插入在第一和第二感测节点之间的用于电荷转移的第二晶体管和用于连续电流供应的第三晶体管 以不通过第一和第二感测节点在位线中提供电流。
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公开(公告)号:US08000155B2
公开(公告)日:2011-08-16
申请号:US13005582
申请日:2011-01-13
申请人: Toshiaki Edahiro , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
发明人: Toshiaki Edahiro , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
CPC分类号: H01L27/101 , G11C13/0007 , G11C13/004 , G11C13/0069 , G11C2013/0054 , G11C2013/009 , G11C2213/32 , G11C2213/72
摘要: The present invention provides a method for writing data to a non-volatile memory device having first wirings and second wirings intersecting one another and memory cells arranged at each intersection therebetween, each of the memory cells having a variable resistive element and a rectifying element connected in series. According to the method, the second wirings are charged to a certain voltage not less than a rectifying-element threshold value, prior to a rise in a selected first wiring. Then, a selected first wiring is charged to a voltage required for writing or erasing, after which a selected second wiring is discharged.
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公开(公告)号:US07911823B2
公开(公告)日:2011-03-22
申请号:US12123827
申请日:2008-05-20
申请人: Takuya Futatsuyama , Koji Hosono , Toshiaki Edahiro , Naoya Tokiwa , Kazushige Kanda , Shigeo Ohshima
发明人: Takuya Futatsuyama , Koji Hosono , Toshiaki Edahiro , Naoya Tokiwa , Kazushige Kanda , Shigeo Ohshima
CPC分类号: G11C11/36
摘要: A method of programming a non-volatile memory device with memory cells formed of variable resistance elements and disposed between word lines and bit lines, includes: previously charging a selected word line and a selected bit line together with a non-selected word line and a non-selected bit line up to a certain voltage; and further charging the selected word line and the non-selected bit line up to a program voltage higher than the certain voltage and a program-block voltage, respectively, and simultaneously discharging the selected bit line.
摘要翻译: 一种使用由可变电阻元件形成并且设置在字线和位线之间的存储单元来编程非易失性存储器件的方法包括:预先对所选择的字线和所选择的位线以及未选择的字线和 非选择位线达到一定电压; 并且进一步对所选字线和未选择的位线进行充电,直到分别高于特定电压和编程块电压的编程电压,并同时对所选择的位线进行放电。
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公开(公告)号:US07817457B2
公开(公告)日:2010-10-19
申请号:US12132972
申请日:2008-06-04
申请人: Naoya Tokiwa , Kazushige Kanda , Toshiaki Edahiro , Koji Hosono , Takuya Futatsuyama , Shigeo Ohshima
发明人: Naoya Tokiwa , Kazushige Kanda , Toshiaki Edahiro , Koji Hosono , Takuya Futatsuyama , Shigeo Ohshima
IPC分类号: G11C11/00
CPC分类号: G11C13/0069 , G11C13/0007 , G11C13/0097 , G11C2013/0092 , G11C2213/32 , G11C2213/72
摘要: According to one embodiment, a nonvolatile memory device includes: a memory cell array including memory cells each having a variable resistance element for nonvolatilely storing data identified by an electrically rewritable resistance value; a first data latch storing write and erase data to be written on a given group of memory cells of the memory cell array for a write and erase operation; and a second data latch storing reference data for performing a compensation operation of the given group to compensate write and erase disturbance accompanied by the write or erase operation.
摘要翻译: 根据一个实施例,非易失性存储器件包括:存储单元阵列,其包括各自具有用于非易失性地存储由电可重写电阻值识别的数据的可变电阻元件的存储单元; 存储要写入存储单元阵列的给定组的存储单元的用于写入和擦除操作的写入和擦除数据的第一数据锁存器; 以及第二数据锁存器,存储用于执行给定组的补偿操作以补偿伴随着写入或擦除操作的写入和擦除干扰的参考数据。
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公开(公告)号:US20090052227A1
公开(公告)日:2009-02-26
申请号:US12118064
申请日:2008-05-09
申请人: Toshiaki Edahiro , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
发明人: Toshiaki Edahiro , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
CPC分类号: H01L27/101 , G11C13/0007 , G11C13/004 , G11C13/0069 , G11C2013/0054 , G11C2013/009 , G11C2213/32 , G11C2213/72
摘要: The present invention provides a method for writing data to a non-volatile memory device having first wirings and second wirings intersecting one another and memory cells arranged at each intersection therebetween, each of the memory cells having a variable resistive element and a rectifying element connected in series. According to the method, the second wirings are charged to a certain voltage not less than a rectifying-element threshold value, prior to a rise in a selected first wiring. Then, a selected first wiring is charged to a voltage required for writing or erasing, after which a selected second wiring is discharged.
摘要翻译: 本发明提供一种将数据写入非易失性存储器件的方法,该非易失性存储器件具有彼此相交的第一布线和第二布线以及布置在其间的每个交叉处的存储单元,每个存储单元具有可变电阻元件和整流元件 系列。 根据该方法,在所选择的第一布线中升高之前,将第二布线充电至不小于整流元件阈值的一定电压。 然后,将所选择的第一布线充电到写入或擦除所需的电压,之后放电所选择的第二布线。
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公开(公告)号:US20110103135A1
公开(公告)日:2011-05-05
申请号:US13005582
申请日:2011-01-13
申请人: Toshiaki EDAHIRO , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
发明人: Toshiaki EDAHIRO , Kazushige Kanda , Naoya Tokiwa , Takuya Futatsuyama , Koji Hosono , Shigeo Ohshima
IPC分类号: G11C11/00
CPC分类号: H01L27/101 , G11C13/0007 , G11C13/004 , G11C13/0069 , G11C2013/0054 , G11C2013/009 , G11C2213/32 , G11C2213/72
摘要: The present invention provides a method for writing data to a non-volatile memory device having first wirings and second wirings intersecting one another and memory cells arranged at each intersection therebetween, each of the memory cells having a variable resistive element and a rectifying element connected in series. According to the method, the second wirings are charged to a certain voltage not less than a rectifying-element threshold value, prior to a rise in a selected first wiring. Then, a selected first wiring is charged to a voltage required for writing or erasing, after which a selected second wiring is discharged.
摘要翻译: 本发明提供一种将数据写入非易失性存储器件的方法,该非易失性存储器件具有彼此相交的第一布线和第二布线以及布置在其间的每个交叉处的存储单元,每个存储单元具有可变电阻元件和整流元件 系列。 根据该方法,在所选择的第一布线中升高之前,将第二布线充电至不小于整流元件阈值的一定电压。 然后,将所选择的第一布线充电到写入或擦除所需的电压,之后放电所选择的第二布线。
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公开(公告)号:US20090010039A1
公开(公告)日:2009-01-08
申请号:US12132972
申请日:2008-06-04
申请人: Naoya Tokiwa , Kazushige Kanda , Toshiaki Edahiro , Koji Hosono , Takuya Futatsuyama , Shigeo Ohsima
发明人: Naoya Tokiwa , Kazushige Kanda , Toshiaki Edahiro , Koji Hosono , Takuya Futatsuyama , Shigeo Ohsima
CPC分类号: G11C13/0069 , G11C13/0007 , G11C13/0097 , G11C2013/0092 , G11C2213/32 , G11C2213/72
摘要: According to one embodiment, a nonvolatile memory device includes: a memory cell array including memory cells each having a variable resistance element for nonvolatilely storing data identified by an electrically rewritable resistance value; a first data latch storing write and erase data to be written on a given group of memory cells of the memory cell array for a write and erase operation; and a second data latch storing reference data for performing a compensation operation of the given group to compensate write and erase disturbance accompanied by the write or erase operation.
摘要翻译: 根据一个实施例,非易失性存储器件包括:存储单元阵列,其包括各自具有用于非易失性地存储由电可重写电阻值识别的数据的可变电阻元件的存储单元; 存储要写入存储单元阵列的给定组的存储单元的用于写入和擦除操作的写入和擦除数据的第一数据锁存器; 以及第二数据锁存器,存储用于执行给定组的补偿操作以补偿伴随着写入或擦除操作的写入和擦除干扰的参考数据。
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