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| PartNumber | PCA9555PW,118 | PCA9555PW,112 | PCA9555PW |
| Description | Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT PU | Interface - I/O Expanders I2C/SMBUS 16BIT GPIO | Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander |
| Manufacturer | NXP | NXP | Texas Instruments |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | Y | Y | Y |
| Number of I/Os | 16 I/O | 16 I/O | 16 I/O |
| Interface Type | I2C, Serial, SMBus | - | I2C, Serial, SMBus |
| Maximum Clock Frequency | 400 kHz | 400 kHz | 400 kHz |
| Interrupt Output | With Interrupt | - | - |
| Operating Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-355 | TSSOP-24 | TSSOP-24 |
| Packaging | Reel | Tube | Tube |
| Input Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | - |
| Output Current | 50 mA | - | - |
| Output Voltage | 1.7 V to 4.1 V | - | - |
| Product | I/O Expanders | - | I/O Expanders |
| Type | I/O Expander | - | I/O Expander |
| Brand | NXP Semiconductors | NXP Semiconductors | Texas Instruments |
| Logic Family | CMOS | PCA | PCA9555 |
| Logic Type | I2C, SMBus | - | - |
| Operating Supply Current | 135 uA | - | - |
| Pd Power Dissipation | 200 mW | - | - |
| Product Type | I/O Expanders | I/O Expanders | I/O Expanders |
| Factory Pack Quantity | 2500 | 1575 | 60 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Part # Aliases | 935269569118 | 935269569112 | - |
| Unit Weight | 0.007760 oz | 0.006421 oz | 0.003157 oz |
| Features | - | - | Configuration Registers, Interrupt Pin |
| Series | - | - | PCA9555 |