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MCP23009-E/SO
8-Bit I/O Expander with Open-Drain Outputs
Schematic Symbol
Pin Configuration (18 pins)
| Pin | Name | Type |
|---|---|---|
| 3 | SCL | input |
| 4 | SDA | bidirectional |
| 5 | ADDR | input |
| 6 | ~{RESET} | input |
| 7 | INT | output |
| 1 | VDD | power_in |
| 18 | VSS | power_in |
| 15 | GP7 | bidirectional |
| 14 | GP6 | bidirectional |
| 13 | GP5 | bidirectional |
| 12 | GP4 | bidirectional |
| 11 | GP3 | bidirectional |
| 10 | GP2 | bidirectional |
| 9 | GP1 | bidirectional |
| 8 | GP0 | bidirectional |
| 16 | NC | passive |
| 17 | NC | passive |
| 2 | NC | passive |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.