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SN74HC595: SN74HC595 输入是否需要上拉或者下拉电阻

Part Number: SN74HC595

请问SN74HC595 的输入端连接单片机,是否在芯片输入端需要配置上拉电阻或者下拉电阻,保证单片机在没有输出的情况下数据线电平不会有浮动? 谢谢