MCP23S09 Overview
MCP23009/MCP23S09 8-Bit I/O Expander with Open-Drain Outputs.
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