Microchip | MCP23S18-E/SO

The MCP23S18-E/SO is a Part of MCP23S18 Series 5.5 V 10 MHz 16-Bit I/O Expander with Open Drain output available in SOIC-28 surface mount Package.

This device provides 16-bit, general purpose parallel I/O expansion for I2C bus or SPI applications.

Features:

• 16-bit remote bidirectional I/O port:
• I/O pins default to input
• Open-drain outputs:
• 5.5V tolerant
• 25 mA sink capable (per pin)
• 400 mA total
• High-speed I2C™ interface: (MCP23018)
• 100 kHz
• 400 kHz
• 3.4MHz
• High-speed SPI interface: (MCP23S18)
• 10 MHz: 2.7V ≤ VDD ≤ 5.5V
• Single hardware address pin: (MCP23018)
• Voltage input to allow up to eight devices on the bus Configurable interrupt output pins:
• 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 μA (-40°C ≤ TA ≤ +85°C)
• 6 μA (+85°C ≤ TA ≤ +125°C)
• Operating voltage:
• 1.8V to 5.5V