TCA9539-Q1 Datasheet (Texas Instruments) - Low Voltage 16-Bit I2C and SMBUS Low-Power I/O Expander

TCA9539-Q1, Low Voltage 16-Bit I2C and SMBUS Low-Power I/O Expander

The TCA9539-Q1 is a 24-pin device that provides 16 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus protocol).

The device can operate with a power supply voltage (VCC) range from 1.65 V to 3.6 V.

The device supports 100-kHz (I2C Stand

TCA9539-Q1 Features

* 1 Qualified for Automotive Applications

* I2C to Parallel Port Expander

* Open-Drain Active-Low Interrupt Output

* Active-Low Reset Input

* 5-V Tolerant Input and Output Ports

* Compatible With Most Microcontrollers

* 400-kHz Fast I2C Bus