MCP23S09
Key Features
- 8-Bit Remote Bidirectional I/O Port: - I/O Pins Default to Input
- Open-Drain Outputs: - 5.5V Tolerant - 25 mA Sink Capable (per Pin) - 200 mA Total
- High-Speed I2C™ Interface (MCP23009): - 100 kHz - 400 kHz - 3.4 MHz
- High-Speed SPI Interface (MCP23S09): - 10 MHz
- Single Hardware Address Pin (MCP23009): - Voltage input to allow up to eight devices on the bus
- Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain CS SCK
- 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