TEXAS INSTRUMENTS PCA9546A handbook

The PCA9546A is a quad bidirectional translating switch controlled via the I2C bus. It features 1.8V, 2.5V, 3.3V and 5V support, low standby current, I2C bus and SMBus compatibility, 5.5V tolerant inputs, three address pins, 0 to 400kHz clock frequency, I2C bus channel selection, ESD protection, low RON switches, no glitch on power up and hot insertion.