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| PartNumber | PCA9557D,118 | PCA9557D | PCA9557D112 |
| Description | Interface - I/O Expanders 8-BIT I2C FM TP GPIO | Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander | Parallel I/O Port, 8-Bit, 8 I/O, CMOS, PDSO16 |
| Manufacturer | NXP | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 8 I/O | 8 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 | 2.5 V to 6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-16 | SOP-16 | - |
| Packaging | Reel | Tube | - |
| Input Voltage | 5 V | - | - |
| Output Current | 50 mA | - | - |
| Output Voltage | 5 V | - | - |
| Brand | NXP Semiconductors | Texas Instruments | - |
| Logic Family | PCA9557 | PCA9557 | - |
| Logic Type | I2C, SMBus | - | - |
| Pd Power Dissipation | 200 mW | - | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2500 | 40 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Part # Aliases | 935270674118 | - | - |
| Unit Weight | 0.005079 oz | 0.023492 oz | - |
| Features | - | Configuration Registers, Interrupt Pin | - |
| Product | - | I/O Expanders | - |
| Series | - | PCA9557 | - |
| Type | - | I/O Expander | - |