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    • 1. 发明公开
    • 저항성 메모리 장치 및 그것의 데이터 쓰기 방법
    • 电阻式存储器件及其数据写入方法
    • KR1020130104033A
    • 2013-09-25
    • KR1020120025160
    • 2012-03-12
    • 삼성전자주식회사
    • 김대한이천안
    • G11C13/00G11C16/34
    • G11C13/0069G11C11/56G11C13/004G11C13/0064H01L27/249
    • PURPOSE: A resistive memory device and a data writing method thereof reduce the resistance distribution of a programmed memory cell by controlling the limited current according to a read resistance value of the memory cell while operating a program. CONSTITUTION: A resistive memory device includes a resistive memory cell and a reading and writing circuit (140). The reading and writing circuit programs reads out the resistive memory cell from a first state to a second state. The reading and writing circuit reads a resistance value of the resistive memory cell in the first state and controls the limited current provided to the resistive memory cell during a programming process according to the read resistance value.
    • 目的:电阻式存储器件及其数据写入方法通过在操作程序期间根据存储单元的读取电阻值控制限制电流来减小编程存储器单元的电阻分布。 构成:电阻式存储器件包括电阻存储单元和读写电路(140)。 读取和写入电路程序从第一状态读出电阻性存储器单元到第二状态。 读取和写入电路在第一状态下读取电阻性存储单元的电阻值,并且根据读取的电阻值控制在编程处理期间提供给电阻性存储单元的限制电流。
    • 2. 发明公开
    • 가변 저항 메모리 장치 및 그것의 구동 방법
    • 可变电阻存储器件及其驱动方法
    • KR1020130095959A
    • 2013-08-29
    • KR1020120017407
    • 2012-02-21
    • 삼성전자주식회사
    • 이천안곽동훈백인규
    • G11C13/00
    • G11C13/0002G11C13/0007G11C2213/71G11C2213/77
    • PURPOSE: Variable resistance memory device and driving method thereof are provided to implement the high data integrity by blocking generation of disturbance due to leakage current without an optional device. CONSTITUTION: A level of access voltage is determined with reference to the number of column or row of cell arrays. The selected access voltage is supplied to the cell arrays. The access voltage is a program voltage (Vpgm) for changing a variable resistance memory cell into a reset state. The program voltage is the same or higher than the twice of a reset voltage (Vrst) in which the variable resistance memory cell starts to change to the reset state, that is, a high resistance state and is the same or lower than the reset voltage.
    • 目的:提供可变电阻存储器件及其驱动方法,通过在没有可选装置的情况下阻断由漏电流产生的干扰来实现高数据完整性。 构成:参考电池阵列的列数或行数确定存取电压的电平。 选择的存取电压被提供给单元阵列。 存取电压是用于将可变电阻存储单元改变为复位状态的编程电压(Vpgm)。 编程电压等于或高于可变电阻存储器单元开始变为复位状态的复位电压(Vrst)的两倍,即高电阻状态并且与复位电压相同或更低 。