Product Description
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 μA (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

Package Included:
1Pcs MCP23017 Bidirectional 16-Bit I/O Expander with I2C IIC Serial Interface Module