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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1205174/the-maximum-input-voltage-on-rx-pins-when-the-chip-is-un-powered
您好！
芯片未通电时 RX 引脚上的最大输入电压是多少？
谢谢。
请参阅绝对最大额定值。 I/O 引脚支持2.4V 电压、但 SEL/OE 控制引脚不允许电压高于 VCC。
因此、当在 TMUXHS4212电源之前施加 USB3.0 SSRX 信号时、这是安全的、对吧？
可以。
