l Operation Voltage: 2.3V to 5.5V
l Low standby current
l 5V Tolerance I/O Port
l 8-bit I/O expander
l Compatible with SMBus and I2C interface
l I2C Speed up to 400kHz (Fast-mode)
l Up to 8 slave addresses
l Active LOW reset input
l Input, Output, and Configuration Register
l Active HIGH polarity Inversion Register
l Built-in Power-on Reset
l No Glitch during Power-up
l Noise Filter on SCL/SDA inputs
l Power-on with all I/Os configured as inputs
l High-impedance open-drain on P0
l Operation temperature Range: -40℃ to 85℃
