Product Review

16-bit remote bidirectional I/O port - I/O pins default to input - High-speed I2CTM interface (MCP23017) - 100 kHz - 400 kHz - 1.7 MHz - High-speed SPI interface (MCP23S17) - 10 MHz (max.) - 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 - 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