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| Part Number | MCP23009-E/SO | MCP23009-E/SS | MCP23S09-E/SO | MCP23008-E/SO |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active |
| Number of I/O | 8 | 8 | 8 | 8 |
| Interface | I²C | I²C | SPI | I²C |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Features | POR | POR | - | POR |
| Output Type | Open Drain | Open Drain | Open Drain | Push-Pull |
| Current - Output Source/Sink | 25mA | 25mA | 25mA | 25mA |
| Clock Frequency | 3.4 MHz | 3.4 MHz | 10 MHz | 1.7 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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 18-SOIC (0.295", 7.50mm Width) | 20-SSOP (0.209", 5.30mm Width) | 18-SOIC (0.295", 7.50mm Width) | 18-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 18-SOIC | 20-SSOP | 18-SOIC | 18-SOIC |
