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    • 6. 发明授权
    • Memory device with different termination units for different signal frequencies
    • 具有不同信号频率的不同终端单元的存储器件
    • US07254066B2
    • 2007-08-07
    • US10975808
    • 2004-10-27
    • Jung-Joon Lee
    • Jung-Joon Lee
    • G11C7/00H03K17/16
    • G11C7/1084G11C7/1048G11C7/1078G11C2207/105
    • A memory device includes a first termination unit coupled to a first pin for receiving a first signal having a first frequency component. The memory device also includes a second termination unit coupled to a second pin for receiving a second signal having a second frequency component higher than the first frequency component. The first termination unit is a different type from the second termination unit that provides less signal distortion than the first termination unit. For example, the first termination unit is of an open-drain type that has less power consumption, and the second termination unit is of a push-pull type that has less signal distortion.
    • 存储器件包括耦合到第一引脚的第一终端单元,用于接收具有第一频率分量的第一信号。 存储器件还包括耦合到第二引脚的第二终端单元,用于接收具有高于第一频率分量的第二频率分量的第二信号。 第一终端单元是与第二终端单元不同的类型,其提供比第一终端单元更少的信号失真。 例如,第一终端单元是具有较少功耗的开漏型,并且第二终端单元是具有较小信号失真的推挽式。