Microchip | MCP23S17T-E/SO

The MCP23S17T-E/SO is a 16-bit general purpose parallel I/O Expander with serial peripheral interface , available in surface mount SOIC-28 package.

Features:

• 16-bit remote bidirectional I/O port
• I/O pins default to input
• 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:
• 1.8 V to 5.5 V @ -40°C to +85°C