Microchip | MCP23008T-E/SS

The MCP23008T-E/SS is a 5.5 V 1.7 MHz 8-Bit I/O Expander with Serial Interface available in SSOP-20 Surface mount package.

It provides 8-bit, general purpose, parallel I/O expansion for I2C bus or SPI applications.

Features:

• 8-bit remote bidirectional I/O port
• I/O pins default to input
• High-speed I2C™ interface (MCP23008):-100 kHz, 400 kHz, 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 default 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 range: 1.8 to 5.5 V
• Operating Temp Range(°C) : -40 to 125