| PartNumber | MCP23009-E/MG | MCP23009-E/SO | MCP23009-E/P |
| Description | Interface - I/O Expanders 8B I/O Expander SPI interface | Interface - I/O Expanders 8-bit I/O Expander I2C interface | Interface - I/O Expanders 8-bit I/O Expander I2C interface |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | Y | Y | Y |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | QFN-16 EP | SOIC-18 | PDIP-18 |
| Packaging | Tube | Tube | Tube |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Factory Pack Quantity | 120 | 42 | 25 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.002455 oz | 0.007408 oz | 0.044801 oz |
| Maximum Clock Frequency | - | 3.4 MHz | 3.4 MHz |
| Input Voltage | - | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Output Current | - | 25 mA | 25 mA |
| Output Voltage | - | 1.8 V to 4.5 V | 1.8 V to 4.5 V |
| Product | - | I/O Expanders | I/O Expanders |
| Type | - | I/O Expander | I/O Expander |
| Logic Family | - | MCP23009 | MCP23009 |
| Logic Type | - | I/O Expander | I/O Expander |
| Pd Power Dissipation | - | 700 mW | 700 mW |
| Propagation Delay Time | - | 50 ns | 50 ns |