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| PartNumber | PCA9539DB | PCA9539DBQ | PCA9539DBG4 |
| Description | Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander | Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp | |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Interface - I/O Expanders | - | - |
| RoHS | Y | - | - |
| Number of I/Os | 16 I/O | - | - |
| Interface Type | I2C, Serial, SMBus | - | - |
| Maximum Clock Frequency | 400 kHz | - | - |
| Interrupt Output | With Interrupt | - | - |
| Operating Supply Voltage | 2.3 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SSOP-24 | - | - |
| Packaging | Tube | - | - |
| Features | Configuration Registers, Interrupt Pin, Reset Pin | - | - |
| Output Current | 25 mA | - | - |
| Product | I/O Expanders | - | - |
| Series | PCA9539 | - | - |
| Type | I/O Expander | - | - |
| Brand | Texas Instruments | - | - |
| Logic Family | PCA9539 | - | - |
| Operating Supply Current | 100 uA | - | - |
| Product Type | I/O Expanders | - | - |
| Factory Pack Quantity | 60 | - | - |
| Subcategory | Interface ICs | - | - |
| Unit Weight | 0.059966 oz | - | - |