| Part number | MCP23S08, MCP23008 |
|---|---|
| Manufacturer | Microchip Technology |
| File Size | 625.89 KB |
| Description | 8-Bit I/O Expander |
| Datasheet |
 MCP23008_MicrochipTechnology.pdf
|
| Note |
This datasheet PDF includes multiple part numbers: MCP23S08, MCP23008. Please refer to the document for exact specifications by model. |
TABLE 1-1: PINOUT DESCRIPTION Pin Name PDIP/ SOIC QFN SSOP Pin Type Function SCL/SCK 1 SDA/SI 2 A2/SO 3 A1 4 A0 5 RESET 6 NC/CS 7 INT 8 VSS 9 GP0 10 GP1 11 GP2 12 GP3 13 GP4 14 GP5 15 GP6 16 GP7 17 VDD 18 N/C 19 1 I Serial clock input.20 2 I/O Serial data I/O (MCP23008)/Serial data input (MCP23S08).1 3 I/O Hardware address input (MCP23008)/ Serial data output (MCP23S08).A2 must be biased externally.2 4 I Hardware address in
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