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    • 2. 发明授权
    • Integrated circuit devices using power supply circuits with feedback from a replica load
    • 使用具有来自复制负载的反馈的电源电路的集成电路器件
    • US09059698B2
    • 2015-06-16
    • US13240635
    • 2011-09-22
    • Su-yeon DooSeung-jun BaeKwang-il ParkYoung-soo Sohn
    • Su-yeon DooSeung-jun BaeKwang-il ParkYoung-soo Sohn
    • G05F1/00H03K19/003G05F1/575
    • H03K19/00361G05F1/575
    • An integrated circuit device includes an external power supply input configured to be coupled to an external power supply and a digital circuit, such as a clock signal generator circuit, that generates noise at a power supply input thereof. The device further includes a replica load circuit and a power supply circuit coupled to the external power supply input, to a power supply input of the digital circuit and to a power supply input of the replica load circuit. The power supply circuit is configured to selectively couple the external power supply node to the power supply input of the digital circuit responsive to a voltage at the power supply input of the replica load circuit. The replica load circuit may be configured to provide a load that varies responsive to a voltage at the power supply input of the digital circuit.
    • 集成电路装置包括被配置为耦合到外部电源的外部电源输入和在其电源输入处产生噪声的数字电路,例如时钟信号发生器电路。 该装置还包括复制负载电路和耦合到外部电源输入的电源电路,数字电路的电源输入和复制负载电路的电源输入。 电源电路被配置为响应于复制负载电路的电源输入处的电压来选择性地将外部电源节点耦合到数字电路的电源输入。 复制负载电路可以被配置为提供响应于数字电路的电源输入处的电压而变化的负载。