MCP23008-E/ML

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)
-100kHz
-400kHz
-1.7MHz
•High-speed SPI interface (MCP23S08)
-10MHz
•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
•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：1µA (max.)
•Operating voltage：
-1.8V to 5.5V @ -40°C to +85°C
I2C @ 100kHz
SPI @ 5MHz
-2.7V to 5.5V @ -40°C to +85°C
I2C @ 400kHz
SPI @ 10MHz
-4.5V to 5.5V @ -40°C to +125°C
I2C @ 1.7kHzSPI @ 10MHz

Datasheet