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    • 2. 发明申请
    • DRIVING OF A MEMORY MATRIX OF RESISTANCE HYSTERESIS ELEMENTS
    • 驱动电阻滞后元件的记忆矩阵
    • WO2006095278A1
    • 2006-09-14
    • PCT/IB2006/050617
    • 2006-02-28
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.IKKINK, Teunis, J.WOERLEE, Pierre, H.VAN ACHT, Victor, M., G.LAMBERT, NicolaasMARSMAN, Albert, W.
    • IKKINK, Teunis, J.WOERLEE, Pierre, H.VAN ACHT, Victor, M., G.LAMBERT, NicolaasMARSMAN, Albert, W.
    • G11C16/02
    • G11C13/0004G11C11/5678G11C13/0028G11C2213/15G11C2213/72
    • A memory matrix (10) comprises rows and columns of cells, each cell comprising a resistance hysteresis element (24) and a threshold element (22) coupled in series between a row terminal and a column terminal of the cell (20). The resistance hysteresis element (24) has a mutually larger and smaller hysteresis thresholds of mutually opposite polarity respectively. Voltage differences are applied between the column terminals and the row terminals of cells (20) in a selected row, so as to perform read actions. These voltage differences have a read polarity so that the voltage across the cell (20) is in a direction corresponding to the larger hysteresis threshold. Voltage differences are applied between the column terminals and the row terminals of cells (20) in a selected row, so as to perform erase actions, all cells (20) of a selected row being erased collectively in the erase action. The voltage differences for erase actions have the read polarity. Furthermore voltage differences are applied between the column terminals and the row terminals of cells (20) in a selected row, so as to perform write actions. The voltage differences for the write actions have a write polarity corresponding to the smaller hysteresis threshold, for updating cells (20) that are selected dependent on write data.
    • 存储器矩阵(10)包括单元的行和列,每个单元包括串联耦合在单元(20)的行端子和列端子之间的电阻滞后元件(24)和阈值元件(22)。 电阻滞后元件(24)分别具有相互相反极性的相互较大和较小的滞后阈值。 电压差在列选择行中的单元(20)的列端子和行端子之间施加,以便执行读取动作。 这些电压差具有读取极性,使得电池(20)两端的电压处于对应于较大滞后阈值的方向。 电压差在列选择行中的单元(20)的列端子和行端子之间施加,以便执行擦除动作,所选行的所有单元(20)在擦除动作中被共同擦除。 擦除动作的电压差具有读取极性。 此外,在列端子和选定行中的单元(20)的行端子之间施加电压差,以便执行写入动作。 写入动作的电压差具有对应于较小滞后阈值的写入极性,用于更新根据写入数据选择的单元(20)。
    • 8. 发明申请
    • CIRCUIT WITH A MEMORY ARRAY AND A REFERENCE LEVEL GENERATOR CIRCUIT
    • 具有存储器阵列的电路和参考电平发生器电路
    • WO2006075262A1
    • 2006-07-20
    • PCT/IB2006/050037
    • 2006-01-05
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN ACHT, Victor, M., G.LAMBERT, NicolaasWOERLEE, Pierre, H.
    • VAN ACHT, Victor, M., G.LAMBERT, NicolaasWOERLEE, Pierre, H.
    • G11C7/06
    • G11C7/14
    • A circuit comprises an array of memory cells (10). A plurality of sensing circuits (20), are coupled to the output (14) of respective memory cells (10), for comparing the output signal of the respective one of the memory cells (10) with a reference signal to form a data signal from the output signal from the respective one of the memory cells (10). A reference generator circuit (24, 26) forms the reference signal from a sum wherein each respective one of the memory cells (10) of the addressed group contributes a contribution that is a function of the output signal of the respective one of the memory cells (10). The contributions are equalized for output signal values at more than a saturating distance above the reference signal, and the contributions are equalized for output signal values at more than the saturating distance below the reference signal. In case of storage of multi- level data in the cells the distances from the central level to the saturation levels above and below the reference level are mutually different, with a ratio that corresponds to a ratio of the counts of cells that have been programmed to respective levels.
    • 电路包括存储器单元阵列(10)。 多个感测电路(20)耦合到相应存储单元(10)的输出(14),用于将存储单元(10)中的相应一个的输出信号与参考信号进行比较以形成数据信号 来自存储单元(10)中的相应一个的输出信号。 参考发生器电路(24,26)从一个和形成参考信号,其中寻址组的每个存储单元(10)中的每个相应的一个贡献作为存储单元的相应一个的输出信号的函数 (10)。 在超过参考信号的饱和距离上的输出信号值的贡献相等,并且在超过参考信号以下的饱和距离处的输出信号值的贡献相等。 在单元格中存储多级数据的情况下,从基准电平以上和低于基准电平的中心电平到饱和电平的距离是相互不同的,其比例对应于已编程的单元计数的比率 各级别。