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| Part Number | MCP23S18-E/SP | MCP23018-E/SP | MCP23S17-E/SP | MCP23S18-E/SO |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active |
| Number of I/O | 16 | 16 | 16 | 16 |
| Interface | SPI | I²C | SPI | SPI |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Features | - | POR | POR | - |
| Output Type | Open Drain | Open Drain | Push-Pull | Open Drain |
| Current - Output Source/Sink | 25mA | 25mA | 25mA | 25mA |
| Clock Frequency | 10 MHz | 3.4 MHz | 10 MHz | 10 MHz |
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 28-DIP (0.300", 7.62mm) | 28-DIP (0.300", 7.62mm) | 28-DIP (0.300", 7.62mm) | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-SPDIP | 28-SPDIP | 28-SPDIP | 28-SOIC |
