Aideepen MCP23017 Bidirectional 16-Bit I-O Expander with I2C IIC Serial Interface Module

16-Bit Remote Bidirectional I/O Port: - I/O pins default to input High-Speed I2C Interface (MCP23017): - 100kHz - 400kHz - 1.7MHz High-Speed SPI Interface (MCP23S17): - 10 MHz (maximum) Three Hardware Address Pins to Allow Up to Eight Devices On the Bus Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain INTA and INTB Can Be Configured to Operate Independently or Together Configurable Interrupt Source: - Interrupt-on-change from configured register defaults or pin changes Polarity Inversion Register to Configure the Polarity of the Input Port Data External Reset Input Low Standby Current: 1 ?A (max.) Operating Voltage: - 1.8V to 5.5V @ -40°C to +85°C - 2.7V to 5.5V @ -40°C to +85°C - 4.5V to 5.5V @ -40°C to +125°C