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PCA9306: Master on VREF2, Slave on VREF2 and VREF1 side

Darren Jenkins
Genius 10526 points
Part Number: PCA9306

PCA9306 Support,

Our customer wants to use the PCA9306 for an I2C bus with a master at 3.3V, and a slave at 1.2V.  Also, there are additional slaves connected to the I2C bus on the 3.3V side.  I understand that it’s possible to have the Master on VREF2 based on this e2e post:
e2e.ti.com/.../1439494

Are there any implications here since there are slaves on the same side of the translator as the master?

Thanks,
Darren