APPARATUS AND SYSTEMS USING PHASE CHANGE MEMORIES
    11.
    发明申请
    APPARATUS AND SYSTEMS USING PHASE CHANGE MEMORIES 有权
    使用相变记忆的装置和系统

    公开(公告)号:US20080137402A1

    公开(公告)日:2008-06-12

    申请号:US11949342

    申请日:2007-12-03

    IPC分类号: G11C11/00

    摘要: Apparatus and systems that use phase-change memory devices are provided. The phase-change memory devices may include multiple phase-change memory cells and a reset pulse generation circuit configured to output multiple sequential reset pulses. Each sequential reset pulse is output to a corresponding one of multiple reset lines. Multiple write driver circuits are coupled to corresponding phase change memory cells and to a corresponding one of the reset lines of the reset pulse generation circuit.

    摘要翻译: 提供了使用相变存储器件的装置和系统。 相变存储器件可以包括多个相变存储器单元和被配置为输出多个顺序复位脉冲的复位脉冲发生电路。 每个顺序复位脉冲被输出到多个复位线中相应的一个。 多个写入驱动器电路耦合到相应的相变存储器单元和复位脉冲发生电路的相应的一个复位线。

    Phase change memory device using multiprogramming method
    12.
    发明申请
    Phase change memory device using multiprogramming method 有权
    相变存储器件采用多重编程方式

    公开(公告)号:US20070242503A1

    公开(公告)日:2007-10-18

    申请号:US11723361

    申请日:2007-03-19

    IPC分类号: G11C11/00

    摘要: A phase change memory device comprises a memory cell array and a write driver circuit, and a column selection circuit. The memory cell array comprises a plurality of block units each connected between a corresponding pair of word line drivers. The write driver circuit comprises a plurality of write driver units each comprising a plurality of write drivers adapted to provide respective programming currents to a corresponding block unit among the plurality of block units. The column selection circuit is connected between the memory cell array and the write driver circuit and is adapted to select at least one of the plurality of memory blocks in response to a column selection signal to provide corresponding programming currents to the at least one of the plurality of memory blocks.

    摘要翻译: 相变存储器件包括存储单元阵列和写入驱动器电路以及列选择电路。 存储单元阵列包括多个块单元,每个块单元连接在对应的一对字线驱动器之间。 写驱动器电路包括多个写驱动器单元,每个写驱动器单元包括多个写驱动器,其适于向多个块单元中的相应块单元提供相应的编程电流。 列选择电路连接在存储单元阵列和写驱动器电路之间,并且适于响应于列选择信号选择多个存储器块中的至少一个,以向多个存储单元阵列中的至少一个提供对应的编程电流 的内存块。

    Phase change memory device and related programming method
    13.
    发明申请
    Phase change memory device and related programming method 有权
    相变存储器件及相关编程方法

    公开(公告)号:US20070230240A1

    公开(公告)日:2007-10-04

    申请号:US11724268

    申请日:2007-03-15

    IPC分类号: G11C11/00

    摘要: A phase change memory device comprises a memory cell array and a write driver circuit. The memory cell array comprises a plurality of memory cells, and the write driver circuit comprises a set current driver and a reset current driver. The set current driver is adapted to provide a set current to a selected memory cell among the plurality of memory cells and the reset current driver is adapted to provide a reset current to a selected memory cell among the plurality of memory cells.

    摘要翻译: 相变存储器件包括存储单元阵列和写入驱动器电路。 存储单元阵列包括多个存储单元,并且写驱动器电路包括设定电流驱动器和复位电流驱动器。 所设置的电流驱动器适于向所述多个存储器单元中的所选择的存储单元提供设定电流,并且所述复位电流驱动器适于向所述多个存储器单元中的所选存储单元提供复位电流。

    Magnetic memory device and method of fabricating the same
    14.
    发明申请
    Magnetic memory device and method of fabricating the same 失效
    磁记忆装置及其制造方法

    公开(公告)号:US20070047295A1

    公开(公告)日:2007-03-01

    申请号:US11480242

    申请日:2006-06-30

    IPC分类号: G11C11/00

    摘要: A magnetic memory device includes a common line; a first write-in diode, a readout diode and a second write-in diode being connected to the common line in parallel. The magnetic memory device further includes a magnetic tunnel junction structure connected to the readout diode, first and second write-in conductors disposed at both sides of the magnetic tunnel junction structure and connected to the first and second write-in diodes, respectively and a first write-in line, a readout line and a second write-in line, which are connected to the first write-in conductor, the magnetic tunnel injection structure, and the second write-in conductor, respectively.

    摘要翻译: 磁存储器件包括公共线; 第一写入二极管,读出二极管和第二写入二极管并联连接到公共线。 磁存储器件还包括连接到读出二极管的磁隧道结结构,分别设置在磁隧道结结构的两侧并连接到第一和第二写入二极管的第一和第二写入导体, 写入线,读出线和第二写入线,分别连接到第一写入导体,磁隧道注入结构和第二写入导体。

    Nonvolatile semiconductor memory device with scalable two transistor memory cells
    15.
    发明申请
    Nonvolatile semiconductor memory device with scalable two transistor memory cells 有权
    具有可伸缩双晶体管存储单元的非易失性半导体存储器件

    公开(公告)号:US20050146929A1

    公开(公告)日:2005-07-07

    申请号:US10976626

    申请日:2004-10-29

    CPC分类号: G11C11/404

    摘要: A nonvolatile memory device includes a bit line, a pair of data lines and a plurality of scalable two transistor memory (STTM) cells. The memory cells are arranged between a pair of datalines so as to share the bit line. The memory device further includes a data line selection circuit and a sense amplification circuit. The data line selection circuit selects one of a pair of data lines, and the sense amplification circuit senses and amplifies a voltage difference between the bit line and the selected data line. Operation speed is increased, while improving device cell array structure.

    摘要翻译: 非易失性存储器件包括位线,一对数据线和多个可伸缩双晶体管存储器(STTM)单元。 存储单元布置在一对数据之间,以便共享位线。 存储器件还包括数据线选择电路和读出放大电路。 数据线选择电路选择一对数据线之一,并且感测放大电路感测并放大位线与所选数据线之间的电压差。 操作速度提高,同时提高器件单元阵列结构。

    Phase change memory devices and systems, and related programming methods
    17.
    发明授权
    Phase change memory devices and systems, and related programming methods 有权
    相变存储器件和系统以及相关编程方法

    公开(公告)号:US08116127B2

    公开(公告)日:2012-02-14

    申请号:US12559792

    申请日:2009-09-15

    IPC分类号: G11C11/00

    摘要: A method of writing data in a phase change memory includes receiving write data to be written to a selected phase change memory cell in the plurality of phase change memory cells, sensing data stored in the selected phase change memory cell, determining whether or not the sensed data is equal to the write data, and if the sensed data is not equal to the write data, iteratively applying a write current to the selected phase change memory cell, wherein a resistance state of the phase change memory cell is changed by heat corresponding to a level of the write current, and the level of the write current is changed between successive iterative applications.

    摘要翻译: 在相变存储器中写入数据的方法包括:接收要写入多个相变存储单元中的选定相变存储单元的写入数据,感测存储在所选择的相变存储单元中的数据,确定是否感测到 数据等于写入数据,并且如果感测到的数据不等于写入数据,则向所选择的相变存储器单元迭代地施加写入电流,其中相变存储单元的电阻状态由对应于 写入电流的电平和写入电流的电平在连续的迭代应用程序之间改变。

    Phase change memory device generating program current and mehtod thereof
    19.
    发明申请
    Phase change memory device generating program current and mehtod thereof 有权
    相变存储器件产生程序电流和电流

    公开(公告)号:US20110188303A1

    公开(公告)日:2011-08-04

    申请号:US13064672

    申请日:2011-04-07

    IPC分类号: G11C11/00

    摘要: A phase change memory device may include a memory cell array, a write driver, and/or a control unit. The memory cell array may include a plurality of memory cells. The write driver may be configured to provide a program current to the memory cell array for setting a state of a phase change material to program a selected memory cell. The write driver may be configured to provide the program current such that the program current has a plurality of steps. The control unit may be configured to receive step information for adjusting a magnitude and a width of each step of the program current during a test operation and provide the step information to the write driver during a normal operation.

    摘要翻译: 相变存储器件可以包括存储单元阵列,写入驱动器和/或控制单元。 存储单元阵列可以包括多个存储单元。 写入驱动器可以被配置为向存储器单元阵列提供程序电流,用于设置相变材料的状态以对选定的存储单元进行编程。 写驱动器可以被配置为提供程序电流,使得程序电流具有多个步骤。 控制单元可以被配置为在测试操作期间接收用于调整程序电流的每个步骤的幅度和宽度的步骤信息,并且在正常操作期间将该步骤信息提供给写入驱动器。

    Phase-change random access memory
    20.
    发明授权
    Phase-change random access memory 有权
    相变随机存取存储器

    公开(公告)号:US07961508B2

    公开(公告)日:2011-06-14

    申请号:US12771028

    申请日:2010-04-30

    IPC分类号: G11C11/00

    摘要: A phase-change random access memory includes a memory block including a plurality of memory columns corresponding to the same column address and using different input/output paths; a redundancy memory block including a plurality of redundancy memory columns using different input/output paths; and an input/output controller repairing at least one of the plurality of memory columns using at least one of the plurality of redundancy memory columns, and controlling the number of memory columns simultaneously repaired using redundancy memory columns in response to an input/output repair mode control signal.

    摘要翻译: 相变随机存取存储器包括存储块,该存储块包括对应于同一列地址的多个存储器列并使用不同的输入/输出路径; 冗余存储器块,其包括使用不同的输入/输出路径的多个冗余存储器列; 以及输入/输出控制器,其使用所述多个冗余存储器列中的至少一个来修复所述多个存储器列中的至少一个,并且响应于输入/输出修复模式来控制使用冗余存储器列同时修复的存储器列的数量 控制信号。