TI中文支持网Part Number:TXB0108
The A1 pin of TXB0108PWR chip inputs a 25MHz clock signal normally, but there is no output at the B1 end during testing. Touch the B1 pin with your hand or touch it with an oscilloscope probe, and the B1 pin will output a normal 25MHz clock.
Test conditions：
1、VCCA=1.8V，VCCB=2.8V；
2、OE PIN directly connected to VCCA
The circuit diagram is shown below
Eirwen：
已经收到了您的案例，调查需要些时间，感谢您的耐心等待。
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Links：
Is the TXB0108 being used for open drain I2C signals? Or just first 6 signals (CLK_IN_1V8 to PD_1V8)? Can you please provide more details on how there is no output at B1 during testing if no probe was being tested?
