TPT29555A - I2C to 16-Bit GPIO Expander
* I2C-Bus to 16-Bit GPIO Expander * Operating Power Supply Voltage from 1.65 V to 5.5 V * Low Standby Current Consumption: * 3.0 μA (typical at 5 V VCC) * 1.5 μA (typical at 3.3 V VCC) * 400-kHz Fast-Mode I2C-Bus * 5-V Tolerant I/Os *