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    • 5. 发明授权
    • Voltage generator
    • 电压发生器
    • US07362167B2
    • 2008-04-22
    • US11526815
    • 2006-09-26
    • Kee-Teok ParkJi-Eun Jang
    • Kee-Teok ParkJi-Eun Jang
    • G05F1/10
    • G11C5/14G11C5/148
    • A voltage generator reduces a stand by current in a stand by or a self-refresh mode and shortens a response time in an active mode by selectively driving a control transistor of a final driver. A core voltage control unit provides a power voltage. Pull-up and pull-down driving signals are generated based on the power voltage. An output driver generates an internal voltage according to the pull-up and pull-down driving signals. An active control unit controls drivability of the core voltage control unit in response to bank active signals.
    • 电压发生器通过选择性地驱动最终驱动器的控制晶体管来降低待机中的电流或自刷新模式的待机状态,并且缩短激活模式下的响应时间。 核心电压控制单元提供电源电压。 基于电源电压产生上拉和下拉驱动信号。 输出驱动器根据上拉和下拉驱动信号产生内部电压。 主动控制单元响应于行动信号控制核心电压控制单元的驾驶性能。
    • 6. 发明申请
    • Test mode control circuit
    • 测试模式控制电路
    • US20070050692A1
    • 2007-03-01
    • US11323382
    • 2005-12-29
    • Ji-Eun JangKee-Teok Park
    • Ji-Eun JangKee-Teok Park
    • G01R31/28
    • G01R31/31701
    • Provided is a test mode control circuit capable of preventing an MRS (mode register set) from changing in a test mode exit after a test mode entry. In the test mode control circuit, an MRS controller logically combines an MRS signal, a bank address, an MRS address, and a test mode control signal to output a latch control signal. A test mode control unit detects a test mode entry and a test mode exit to selectively activate one of a test mode set signal and a test mode exit signal, and outputs the test mode control signal having different voltage levels according to an activation state of the test mode set signal or the test mode exit signal. An address latch latches an input address when the MRS signal is activated, and outputs the latched input address as the MRS address when the latch control signal is activated.
    • 提供了一种测试模式控制电路,其能够在测试模式进入之后防止在测试模式退出中的MRS(模式寄存器组)改变。 在测试模式控制电路中,MRS控制器逻辑地组合MRS信号,存储体地址,MRS地址和测试模式控制信号以输出锁存控制信号。 测试模式控制单元检测测试模式输入和测试模式退出以选择性地激活测试模式设置信号和测试模式退出信号之一,并且根据所述测试模式输入和测试模式退出信号的激活状态输出具有不同电压电平的测试模式控制信号 测试模式设置信号或测试模式退出信号。 当激活MRS信号时,地址锁存器锁存输入地址,并且当锁存控制信号被激活时,输出锁存的输入地址作为MRS地址。