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SN74AVC4T245: VCCA电源和Ax的输入值

Part Number: SN74AVC4T245

你好,ti团队,

   VCCB固定为1.8V,VCCA需要兼容2种电压:

1)VCCA=1.8V, 所有IO的速率最大为1M bps,这时可以正常工作吗?VCCA=1.8V是为了硬件兼容考虑,不是电压平移作用;

2)VCCA=1.2V,所有IO的速率最大为1M bps,此时A端口作为输入时可以承受1.8V的电压作为逻辑高电平吗?OE引脚也可以承受1.8V作为逻辑高电平吗?