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    • 5. 发明授权
    • Apparatus and methods of driving signal for reducing the leakage current
    • 驱动信号以减少漏电流的装置和方法
    • US09054700B2
    • 2015-06-09
    • US14223647
    • 2014-03-24
    • Micron Technology, Inc.
    • Gi-Hong KimJohn D. Porter
    • G11C8/00G11C11/34H03K17/16G11C7/10G11C7/12G11C8/08G11C8/10G11C11/419
    • H03K17/162G11C7/1057G11C7/1096G11C7/12G11C8/08G11C8/10G11C11/419
    • Apparatus and methods for driving a signal are disclosed. An example apparatus includes a pre-driver circuit and a driver circuit. The pre-driver circuit includes a step-down transistor and the driver circuit includes a pull-down transistor configured to be coupled to a reference voltage. In a first mode, the step-down transistor is configured to reduce a voltage provided to the pull-down transistor to less than a supply voltage, and in a second mode, the step-down transistor configured to provide the voltage of the supply voltage to the pull-down transistor. The pre-driver circuit of the example signal driver circuit may further include a step-up transistor configured to increase a voltage provided to a pull-up transistor of the driver circuit to greater than the reference voltage, and in the second mode, the step-up transistor configured to provide the voltage of the reference voltage to the pull-up transistor.
    • 公开了用于驱动信号的装置和方法。 示例性设备包括预驱动器电路和驱动器电路。 预驱动器电路包括降压晶体管,并且驱动器电路包括被配置为耦合到参考电压的下拉晶体管。 在第一模式中,降压晶体管被配置为将提供给下拉晶体管的电压降低到小于电源电压,并且在第二模式中,降压晶体管被配置为提供电源电压 到下拉晶体管。 示例性信号驱动器电路的预驱动器电路还可以包括升压晶体管,其被配置为将提供给驱动器电路的上拉晶体管的电压增加到大于参考电压,并且在第二模式中,步骤 该晶体管被配置为向上拉晶体管提供参考电压的电压。