| PartNumber | MCP23018-E/MJ | MCP23018-E/SP | MCP23018-E/SO |
| Description | Interface - I/O Expanders 16B I/O Expander I2C interface | Interface - I/O Expanders 16B I/O Expander I2C interface | Interface - I/O Expanders 16B 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 |
| Maximum Clock Frequency | 3.4 MHz | 3.4 MHz | 3.4 MHz |
| 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 | Through Hole | SMD/SMT |
| Package / Case | QFN-24 | SPDIP-28 | SOIC-28 |
| Packaging | Tube | Tube | Tube |
| Input Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Output Current | 25 mA | 25 mA | 25 mA |
| Output Voltage | 1.8 V to 4.5 V | 1.8 V to 4.5 V | 1.8 V to 4.5 V |
| Product | I/O Expanders | I/O Expanders | I/O Expanders |
| Type | I/O Expander | I/O Expander | I/O Expander |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Logic Family | MCP23018 | MCP23018 | MCP23018 |
| Logic Type | I/O Expander | I/O Expander | I/O Expander |
| Pd Power Dissipation | 700 mW | 700 mW | 700 mW |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Propagation Delay Time | 50 ns | 50 ns | 50 ns |
| Factory Pack Quantity | 91 | 15 | 27 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.032741 oz | 0.776027 oz | 0.078125 oz |
| Moisture Sensitive | - | - | Yes |