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SN74LXC8T245: 电平转换设计

Part Number: SN74LXC8T245
Other Parts Discussed in Thread: SN74AXCH8T245

您好 我想做一个data B到data A的电平转换,是从3.3V转换到1.2V; 请问这样设计有问题吗?只要这个芯片焊接在PCB上,电源就无法启动,反之,拿掉IC 电源可以正常工作