TCA9544A Datasheet (Texas Instruments) - Low Voltage 4-Channel I2C and SMBus Multiplexer

TCA9544A, Low Voltage 4-Channel I2C and SMBus Multiplexer

The TCA9544A is a 4-channel, bidirectional translating I2C Muliplexer.

The master SCL/SDA signal pair is directed to one of the four channels of slave devices, SC0/SD0-SC3/SD3.

Four interrupt inputs (INT3 *INT0), one for each of the downstream pairs, are provided.

One interrupt output (INT) a

TCA9544A Features

* 1 1-of-4 Bidirectional Translating Switches

* I2C Bus and SMBus Compatible

* Four Active-Low Interrupt Inputs

* Active-Low Interrupt Output

* Three Address Pins, Allowing up to Eight TCA9544A Devices on the I2C Bus

* Channel Selection Via I2C Bus