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TXS0108如果两端都供电3.3V，A端输入输出信号电平是3.3V，而B端被输入5V电平的信号，可以正常通信吗？
您好，
不能保证可以正常通信。A和B信号口可以输入的高电平范围是VCCI，即A信号口可以输入的最高电平的VCCA，B信号口可以输入的最高电平的VCCB。因此若VCCB是3.3V，那么B信号口可以输入的最大电压是3.3V。
