CAT9534 Description
The CAT9534 is an 8-bit parallel input/output port expander for I²C and SMBus patible applications. These I/O expanders provide a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, pushbuttons, and fans.
CAT9534 Key Features
- 400kHz I²C bus patible
- 2.3V to 5.5V operation
- Low stand-by current
- 5V tolerant I/Os
- 8 I/O pins that default to inputs at power-up
- High drive capability
- Individual I/O configuration
- Polarity inversion register
- Active low interrupt output
- Internal power-on reset