MCP23S08

MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface Features 8-Bit Remote Bidirectional I/O Port - I/O pins default to input High-Speed I2C Interface (MCP23008) - 100 kHz - 400 kHz - 1.7 MHz High-Speed SPI Interface (MCP23S08) - 10 MHz Hardware Address Pins - Three for the MCP23008 to allow up to eight devices on the bus - Two for the MCP23S08 to allow up to four devices using the same Chip Select Configurable Interrupt Output Pin - Configurable as active-high, active-low or open-drain Block Diagram MCP23S08 SCK SI SO MCP23008 SCL MCP23S08 SDA A1:A0 A2:A0 3 RESET INT Serial Interface Decode Interrupt Logic VDD VSS POR Configurable Interrupt Source - Interrupt-on-change from configured defaults or pin change 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 at -40°C to +85°C I2C at 100 kHz SPI at 5 MHz - 2.7V to 5.5V at -40°C to +85°C I2C at 400 kHz SPI at 10 MHz - 4.5V to 5.5V at -40°C to +125°C I2C at 1.7 kHz SPI at 10 MHz Packages 18-pin PDIP (300 mil) 18-pin SOIC (300 mil) 20-pin SSOP 20-pin QFN Serializer/ Deserializer 8 Control GPIO 8 Configuration/ Control Registers GP0 GP1 GP2 GP3 GP4 GP5 GP6 GP7  2004-2019 Microchip Technology Inc. DS20001919F-page 1 MCP23008/MCP23S08 Package Types SCL SDA A2 A1 A0 RESET NC INT VSS PDIP/SOIC 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 MCP2300...