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| PartNumber | PCA9518DBR | PCA9518DBQR | PCA9518DBQRG4 |
| Description | Interface - I/O Expanders Expandable 5-Ch I2C Hub | Interface - I/O Expanders Expandable 5-Ch I2C Hub | I2C Hub 20-Pin SSOP T/R (Alt: PCA9518DBQRG4) |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 5 I/O | 5 I/O | - |
| Maximum Clock Frequency | 400 kHz | 400 kHz | - |
| Operating Supply Voltage | 3 V to 3.6 V | 3 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 | SSOP-20 | QSOP-20 | - |
| Packaging | Reel | Reel | - |
| Features | Reset Pin | Reset Pin | - |
| Series | PCA9518 | PCA9518 | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2000 | 2500 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.005527 oz | 0.004437 oz | - |
| Logic Family | - | PCA | - |
| Moisture Sensitive | - | Yes | - |