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    • 8. 发明申请
    • Power supply circuit of delay locked loop
    • 延迟锁定回路电源电路
    • US20060091939A1
    • 2006-05-04
    • US11020307
    • 2004-12-27
    • Chang-Ho DoDong-Keun Kim
    • Chang-Ho DoDong-Keun Kim
    • G05F1/10
    • G05F1/466
    • A driving voltage is supplied to a delay locked loop, with having the same voltage level as the power supply voltage but reduced variation and, accordingly, the delay locked loop can be operated more stably. Further, the two different levels of the driving voltage may be provided to the delay locked loop so that various test modes can be provided. The power supply circuit of a delay locked loop includes a voltage comparing unit for comparing the driving voltage with a reference voltage and disabled in response to a selection signal, a driving unit for supplying charges transferred from the power supply voltage into an output terminal so as to increase a voltage level of the driving voltage, in response to the comparison result of the voltage comparing unit; and a control unit for supplying the charges from the driving unit into the output terminal in response to the selection signal, to control the driving voltage to be substantially equal to the power supply voltage.
    • 驱动电压被提供给延迟锁定环路,其具有与电源电压相同的电压电平,但是减小的变化,因此延迟锁定环路可以更稳定地运行。 此外,驱动电压的两个不同级别可以被提供给延迟锁定环,从而可以提供各种测试模式。 延迟锁定回路的电源电路包括:电压比较单元,用于将驱动电压与参考电压进行比较,并响应于选择信号而被禁用;驱动单元,用于将从电源电压传送的电荷提供到输出端子,以便 响应于电压比较单元的比较结果来增加驱动电压的电压电平; 以及控制单元,用于响应于选择信号将来自驱动单元的电荷提供到输出端,以控制驱动电压基本上等于电源电压。
    • 10. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE HAVING SHARED BIT LINE SENSE AMPLIFIER SCHEME AND DRIVING METHOD THEREOF
    • 具有共享位线检测放大器方案的半导体存储器件及其驱动方法
    • US20090219768A1
    • 2009-09-03
    • US12466180
    • 2009-05-14
    • Dong-Keun KimChang-Ho Do
    • Dong-Keun KimChang-Ho Do
    • G11C7/00
    • G11C7/12G11C7/06G11C7/065G11C7/18G11C11/4091G11C11/4094G11C11/4097G11C2207/002
    • A semiconductor memory device has a shared bit line sense amplifier. The semiconductor memory device includes: a bit line sense amplifier for amplifying data applied on bit line pair; an upper bit line disconnection unit for selectively disconnecting the bit line sense amplifier from bit line pair of an upper cell array in response to an upper bit line disconnection signal; a lower bit line disconnection unit for selectively disconnecting the bit line sense amplifier from bit line pair of a lower cell array in response to a lower bit line disconnection signal; an upper bit line equalization unit for equalizing the bit line pair of the upper cell array in response to the lower bit line disconnection signal; and a lower bit line equalization unit for equalizing the bit line pair of the lower cell array in response to the upper bit line disconnection signal.
    • 半导体存储器件具有共享位线读出放大器。 半导体存储器件包括:位线读出放大器,用于放大施加在位线对上的数据; 高位线断路单元,用于响应于高位线断开信号,选择性地将位线读出放大器与上单元阵列的位线对断开; 低位线断开单元,用于响应于较低位线断开信号,选择性地将位线读出放大器与下单元阵列的位线对断开; 高位线均衡单元,用于响应于较低位线断开信号对上位单元阵列的位线对进行均衡; 以及低位线均衡单元,用于响应于高位线断开信号来均衡下单元阵列的位线对。