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| PartNumber | PCA9539APW,118 | PCA9539AHF,128 | PCA9539APW |
| Description | Interface - I/O Expanders 16bit I2C IO Port | Interface - I/O Expanders 16bit I2C IO Port | |
| Manufacturer | NXP | NXP | NXP |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | Interface - I/O Expanders |
| RoHS | Y | Y | - |
| Number of I/Os | 16 I/O | 16 I/O | - |
| Maximum Clock Frequency | 100 kHz | 100 kHz | - |
| Operating Supply Voltage | 1.65 V to 5.5 V | 1.65 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 | TSSOP-24 | HWQFN-24 | - |
| Packaging | Reel | Reel | - |
| Input Voltage | 1.65 V to 5.5 V | 1.65 V to 5.5 V | - |
| Output Current | 25 mA | 25 mA | - |
| Output Voltage | 6.5 V | 6.5 V | - |
| Product | I/O Expanders | I/O Expanders | - |
| Series | PCA9539A | PCA9539A | - |
| Type | I/O Expander | I/O Expander | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Logic Type | I2C, SMBus | I2C, SMBus | - |
| Operating Supply Current | 160 mA | 160 mA | - |
| Pd Power Dissipation | 200 mW | 200 mW | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2500 | 6000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Part # Aliases | 935298098118 | 935298096128 | - |
| Unit Weight | 0.003053 oz | 0.001254 oz | - |