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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1191887/sn65dphy440ss-the-power-supply-is-disconnected-whether-the-rear-stage-has-a-signal
您好！
当芯片电源断开时、最后一级的信号是否可以断开？ 该芯片在电源断开后不能有信号输出、在电源正常时不能有信号输出？
谢谢！
当 DPHY440关闭时、它不会将任何信号从其输出端驱动出去。
谢谢
David
尊敬的 David：
好的，非常感谢！
