Microchip | MCP23018-E/SP

The MCP23018-E/SP is a 16 Bit General Purpose I/O Expander with Serial Interface and Clock Frequency of 3.4 MHz. Available in surface mount SOIC-28 package.

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
• 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: 1.8 V to 5.5 V