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| Part Number | MCP23009-E/MG |
| Datasheet | MCP23009-E/MG datasheet |
| Description | IC I/O EXPANDER I2C 8B 16QFN |
| Manufacturer | Microchip Technology |
| Series | - |
| Part Status | Active |
| Number of I/O | 8 |
| Interface | I²C |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Open Drain |
| Current - Output Source/Sink | 25mA |
| Clock Frequency | 3.4MHz |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad |
| Supplier Device Package | 16-QFN-EP (3x3) |