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| PartNumber | PCA9555D,112 | PCA9555D,118 | PCA9555D |
| Description | Interface - I/O Expanders I2C/SMBUS 16BIT GPIO | Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT PU | Interface - I/O Expanders I2C/SMBUS 16BIT GPIO |
| Manufacturer | NXP | NXP | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 16 I/O | 16 I/O | - |
| Interface Type | I2C, Serial, SMBus | I2C, Serial, SMBus | - |
| Maximum Clock Frequency | 400 kHz | 400 kHz | - |
| Operating Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-24 | SOIC-24 | - |
| Packaging | Tube | Reel | - |
| Input Voltage | 5 V | 2.3 V to 5.5 V | - |
| Output Current | 50 mA | 50 mA | - |
| Output Voltage | 5 V | 1.7 V to 4.1 V | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Logic Family | PCA9555 | CMOS | - |
| Logic Type | I2C, SMBus | I2C, SMBus | - |
| Pd Power Dissipation | 200 mW | 200 mW | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 1200 | 1000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Part # Aliases | 935269567112 | 935269567118 | - |
| Unit Weight | 0.021517 oz | 0.021517 oz | - |
| Interrupt Output | - | With Interrupt | - |
| Product | - | I/O Expanders | - |
| Type | - | I/O Expander | - |
| Operating Supply Current | - | 135 uA | - |