TCA9539-Q1
Description
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.
Key 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
- Polarity Inversion Register
- Internal Power-on-Reset
- No Glitch on Power Up
