l Operation Voltage: 1.65V to 5.5V
l Low standby current
l 5.5V Tolerance I/O Port
l Remote 4-bit GPIO Expander
l Compatible with SMBus and I2C interface
l I2C Speed up to 1.0MHz (Fast Mode Plus)
l Input, Output and Configuration Register
l Polarity Inversion Register
l Built-in Power-on Reset
l No Glitch during Power-up
l Noise Filter on SCL/SDA inputs
l 4 I/O pins
- As Input internal pull-up resistor (default)
- As Output with push-pull
l Latch feature when driving LEDs directly with high current capability
l Temperature Range: -40oC to 85oC