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SN74LVC1T45: A port is low when B port floating

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Replies: 1

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Part Number: SN74LVC1T45

Hello,

My application has one scenario, VCCA and VBUS power on, and A port is connect to MCU, but B port maybe will floating in my some application, but I find that A port will be low when B port is floating, is this normally ? why is it? do you have any way to avoid it ?