Description
The TCA9534A is a 16-pin device that provides 8 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.
Features
- 1 Low Standby Current Consumption.
- I2C to Parallel Port Expander.
- Open-Drain Active-Low Interrupt Output.
- Operating Power-Supply Voltage Range of 1.65 V
to 5.5 V.
- 5-V Tolerant I/O Ports.
- 400-kHz Fast I2C Bus.
- Three Hardware Address Pins Allow up to Eight
Devices on the I2C/SMBus.
- Input and Output Configuration Register.
- Polarity Inversion Register.
- Internal Power-On Reset.
- Power-Up With All Channel.
TCA9534A Datasheet
