| Part Number | MCP23018T-E/MJ | MCP23S18T-E/MJ |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Interface - I/O Expanders | Interface - I/O Expanders |
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| Product Status | Active | Active |
| Number of I/O | 16 | 16 |
| Interface | I²C | SPI |
| Interrupt Output | Yes | Yes |
| Features | POR | - |
| Output Type | Open Drain | Open Drain |
| Current - Output Source/Sink | 25mA | 25mA |
| Clock Frequency | 3.4 MHz | 10 MHz |
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) | 24-QFN (4x4) |