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| PartNumber | PCA9570GMH | PCA9571GUX | PCA9570GMH-CUT TAPE |
| Description | Interface - I/O Expanders Low voltage output expander | Interface - I/O Expanders IC I/O EXPANDER I2C | |
| Manufacturer | NXP | NXP | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 4 I/O | 8 I/O | - |
| Interface Type | I2C, Serial | I2C, Serial, SMBus | - |
| Maximum Clock Frequency | 1 MHz | 1 MHz | - |
| Interrupt Output | Without Interrupt | Without Interrupt | - |
| Operating Supply Voltage | 3.6 V | 1.1 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | XQFN-8 | XQFN-12 | - |
| Packaging | Reel | Reel | - |
| Output Current | 25 mA | 4 mA | - |
| Product | I/O Expanders | I/O Expanders | - |
| Series | PCA9570 | PCA9571 | - |
| Type | I/O Expander | I/O Expander | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Logic Family | PCA9570 | - | - |
| Operating Supply Current | 6.5 uA | 50 uA | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 4000 | 4000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Part # Aliases | 935298348125 | 935302687115 | - |
| Unit Weight | 0.000120 oz | 0.000140 oz | - |
| Features | - | Power-On Reset | - |
| Output Type | - | Push Pull | - |