| Part Number | MCP23009 |
| Manufacturer | Microchip (https://www.microchip.com/) Technology |
| Title | 8-Bit I/O Expander |
| Description | TABLE 1-1: I2C™ PINOUT DESCRIPTION (MCP23009) Pin Name Pin Number 16-lead 18-lead 20-lead QFN PDIP/SOIC SSOP Pin Type Standard Function VDD... |
| 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 (... |
| Datasheet |
 MCP23009 Datasheet
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