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TXS0108E voltage converter module

Technical info: https://pan.baidu.com/s/1pd4qCROuuN9sR8WfaWECvA
Features
1, VA port supports 1.2V-3.6V voltage, A1-A8 supports 1.2V-3.6V level;
2, VB port supports 1.65V-5.5V voltage, B1-B8 supports 1.65V-5.5V level;
3, Support bidirectional communication;
4, Support common level shifting such as 3.3-5V, 1.8-3.3V;
5, OE is active high level, recommend connect to VA.

Hardware Instruction
Board size: 16*26mm
1 Interface
VA: A port for power supply positive electrode
A1-A8: Input/output, reference voltage VA
VB: B port for power supply positive electrode
B1-B8: Input/output, reference voltage VB
GND: the negative pole of the power supply;
OE: for IO

2 Instruction
For example, to shift a 5V level MCU into a 3.3V level and a 3.3V TTL serial device communication, the wiring is as follows:

 which is:
1, VB on the board is connected to 5V, VA  is connected to 3.3V, OE is also connected to 3.3V, GND pin is connected to Earth wire (Note: 5V MCU and 3.3V equipment should be connected to a same Earth wire).
2, B2 and B3 are connected to the RX and TX of the 5V MCU, and the A2 and A3 are connected to the TX and RX of the 3.3V device.


 
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