MCP23017-E/ML I/O extension, 16bit, 1.8 - 5V, serial, I2C, QFN-28

16-bit I/O expander with serial interface

Features: • Bi-directional 16-bit remote I/O port: • I/O pins are input by default • High-speed I2C interface (MCP23017): • 100kHz • 400kHz • 1.7MHz • High-speed SPI interface (MCP23S17): • 10 MHz (maximum) • Three hardware address pins enable 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 of configured register presets or pin changes • Reverse polarity 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. • 2.7V to 5.5V at -40°C to +85°C. • 4.5V to 5.5V at -40°C to +125°C.

Types of construction: • 28-pin QFN, 6 x 6 mm housing • 28-pin SOIC, wide, 7.50 mm housing • 28-pin SPDIP, 300 mil package • 28-pin SSOP, 5.30 mm housing