Datasheet Microchip MCP23008T-E/SO — Ficha de datos

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 I2Cв„ў 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 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 ВµA (max.) Operating voltage:
-1.8V to 5.5V @ -40В°C to +85В°C
I2C @ 100 kHz
SPI @ 5 MHz
-2.7V to 5.5V @ -40В°C to +85В°C
I2C @ 400 kHz
SPI @ 10 MHz …