MCP23017

MCP23017/MCP23S17 16-Bit I/O Expander with Serial Interface Features 16-Bit Remote Bidirectional I/O Port: - I/O pins default to input High-Speed I2C Interface (MCP23017): - 100 kHz - 400 kHz - 1.7 MHz 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 Package Types MCP23017 GPB0 GPB1 GPB2 GPB3 GPB4 GPB5 GPB6 GPB7 VDD VSS NC SCK SDA NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0 INTA INTB RESET A2 A1 A0 SOIC SPDIP SSOP 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 Packages 28-pin QFN, 6 x 6 mm Body 28-pin SOIC, Wide, 7.50 mm Body 28-pin SPDIP, 300 mil Body 28-pin SSOP, 5.30 mm Body GPB0 GPB1 GPB2 GPB3 GPB4 GPB5 GPB6 GPB7 VDD VSS CS SCK SI SO MCP23S17 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0 INTA INTB RESET A2 A1 A0 GPB3 GPB2 GPB1 GPB0 GPA7 GPA6 GPA5 GPB3 GPB2 G...