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    • 33. 发明授权
    • Pre-charge voltage generation and power saving modes
    • 预充电电压和省电模式
    • US09196319B2
    • 2015-11-24
    • US14216024
    • 2014-03-17
    • Conversant Intellectual Property Management Inc.
    • Valerie LinesHakJune Oh
    • G11C5/14G11C7/10G11C8/08
    • G11C5/148G11C5/147G11C7/1048G11C7/1078G11C7/1096G11C8/08G11C2207/2227
    • A system includes a voltage generator to produce a pre-charge voltage signal for pre-charging one or more signals in a memory circuit. The one or more signals can be data bus lines used to access memory. The voltage generator can include an input indicating whether the memory circuit is set to a power-saving mode. According to one embodiment, the input adjusts a magnitude of the pre-charge voltage signal produced by the voltage generator. Such an embodiment is useful over conventional methods because adjusting the pre-charge voltage can result in power savings. As an example, when in the power-saving mode, the voltage generator circuit can adjust the pre-charge voltage to a value that reduces an amount of leakage current associated with a pre-charge voltage. Reducing the leakage with respect to the pre-charge voltage means that the saved power can be used for other useful purposes.
    • 系统包括电压发生器,以产生用于对存储器电路中的一个或多个信号进行预充电的预充电电压信号。 一个或多个信号可以是用于访问存储器的数据总线。 电压发生器可以包括指示存储器电路是否被设置为省电模式的输入。 根据一个实施例,输入调节由电压发生器产生的预充电电压信号的幅度。 这种实施例对于常规方法是有用的,因为调节预充电电压可导致功率节省。 例如,在省电模式下,电压发生器电路可以将预充电电压调整为减小与预充电电压相关联的漏电流量的值。 减少相对于预充电电压的泄漏意味着所节省的功率可以用于其他有用的目的。
    • 36. 发明授权
    • Driving method of semiconductor storage device and semiconductor storage device
    • 半导体存储器件和半导体存储器件的驱动方法
    • US09064590B2
    • 2015-06-23
    • US13780791
    • 2013-02-28
    • Kabushiki Kaisha Toshiba
    • Yoshihiro Ueda
    • G11C11/00G11C11/14G11C11/15G11C11/16G11C7/06G11C7/10
    • G11C11/1673G11C7/065G11C7/1063G11C7/1096
    • In a memory, a signal holder holds voltages according to data in the storage elements. A busy-signal controller controls a busy-signal. The busy-signal determines whether to permit or reject reception of a read/write enable signal. During reception of the read/write enable signal is rejected, the signal holder holds a first to a third voltages. The first voltage corresponds to target data stored in a first storage element. The second voltage corresponds to first sample data of first logic written to the first storage element. The third voltage corresponds to second sample data of second logic. A sense amplifier detects logic of the target data by comparing a read signal of the first voltage with a reference signal generated by the second and third voltages. The write driver writes the target data/write data to the first storage element. After writing, the reception of the read/write enable signal is permitted.
    • 在存储器中,信号保持器根据存储元件中的数据保持电压。 忙信号控制器控制忙信号。 忙信号确定是允许还是拒绝接收读/写使能信号。 在读/写使能信号的接收被拒绝时,信号保持器保持第一至第三电压。 第一电压对应于存储在第一存储元件中的目标数据。 第二电压对应于写入第一存储元件的第一逻辑的第一采样数据。 第三电压对应于第二逻辑的第二取样数据。 读出放大器通过将第一电压的读取信号与由第二和第三电压产生的参考信号进行比较来检测目标数据的逻辑。 写驱动器将目标数据/写数据写入第一存储元件。 写入后,允许读/写允许信号的接收。
    • 37. 发明申请
    • WRITE ASSIST CIRCUIT FOR WRITE DISTURBED MEMORY CELL
    • 用于写入干扰记忆体的写入辅助电路
    • US20150146470A1
    • 2015-05-28
    • US14089819
    • 2013-11-26
    • Taiwan Semiconductor Manufacturing Company, Ltd.
    • Atul KATOCH
    • G11C7/24G11C5/06
    • G11C7/24G11C5/063G11C7/1075G11C7/109G11C7/1096G11C7/22G11C8/16G11C11/412G11C11/418G11C11/419
    • A circuit comprises a first memory cell, a second memory cell, and a disturb control circuit. The first memory cell has a first port and a second port. The first port is associated with a first write assist circuit. The second port is associated with a second write assist circuit. The second memory cell has a third port and a fourth port. The third port is associated with a third write assist circuit. The fourth port is associated with a fourth write assist circuit. The disturb control circuit is configured to selectively turn on at least one of the first write assist circuit, the second write assist circuit, the third write assist circuit, or the fourth write assist circuit according to whether the first port, the second port, the third port, or the fourth port is determined to be write disturbed.
    • 电路包括第一存储单元,第二存储单元和干扰控制电路。 第一存储单元具有第一端口和第二端口。 第一端口与第一写入辅助电路相关联。 第二端口与第二写辅助电路相关联。 第二存储单元具有第三端口和第四端口。 第三端口与第三写入辅助电路相关联。 第四端口与第四写辅助电路相关联。 所述干扰控制电路被配置为根据所述第一端口,所述第二端口,所述第二端口,所述第二端口,所述第二端口,所述第二端口,所述第二端口,所述第二端口,所述第二端口, 第三端口或第四端口被确定为被写入干扰。
    • 40. 发明授权
    • Memory device and method of operation of such a memory device
    • 这种存储器件的存储器件和操作方法
    • US08971133B1
    • 2015-03-03
    • US14037413
    • 2013-09-26
    • ARM Limited
    • Bo ZhengJungtae KwonGus YeungYew Keong Chong
    • G11C7/10G11C7/22G11C7/12G06F17/50
    • G11C7/12G11C7/1096
    • A memory device having an array of memory cells connected to a core voltage level, and access circuitry used to perform a write operation in order to write data into a plurality of addressed memory cells. At least one bit line associated with at least each column in the array containing an addressed memory cell is precharged to the peripheral voltage level prior to the write operation being performed. Word line driver circuitry is then configured to assert a word line signal at the core voltage level on the word line associated with the row of the array containing the addressed memory cells. Write multiplexing driver circuitry asserts a mux control signal to write multiplexing circuitry which then couples the bit line of each addressed memory cell to the write driver circuitry in dependence on the mux control signal identifying which column contains the addressed memory cells.
    • 具有连接到核心电压电平的存储器单元阵列的存储器件,以及用于执行写入操作以便将数据写入到多个寻址的存储器单元中的存取电路。 在执行写入操作之前,至少与包含寻址的存储器单元的阵列中的每列相关联的位线被预充电到外围电压电平。 然后,字线驱动器电路被配置为在与包含寻址的存储器单元的阵列的行相关联的字线上的核心电压电平处断言字线信号。 写复用驱动器电路断言多路复用控制信号以写入多路复用电路,然后根据多路复用器控制信号将每个寻址的存储器单元的位线耦合到写入驱动器电路,该多路复用器控制信号标识哪个列包含寻址的存储器单元。