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| PartNumber | PCA9538DBR | PCA9538DB | PCA9538DBG4 |
| Description | Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander | Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander | Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expande |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - I/O Expanders | Interface - I/O Expanders | - |
| RoHS | Y | Y | - |
| Number of I/Os | 8 I/O | 8 I/O | - |
| Interface Type | I2C, Serial, SMBus | I2C, Serial, SMBus | - |
| Maximum Clock Frequency | 400 kHz | 400 kHz | - |
| Operating Supply Voltage | 2.3 V to 5.5 V | 2.3 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 | SSOP-16 | SSOP-16 | - |
| Packaging | Reel | Tube | - |
| Features | Configuration Registers, Interrupt Pin, Reset Pin | Configuration Registers, Interrupt Pin, Reset Pin | - |
| Series | PCA9538 | PCA9538 | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | PCA9538 | PCA9538 | - |
| Product Type | I/O Expanders | I/O Expanders | - |
| Factory Pack Quantity | 2000 | 80 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.004536 oz | 0.004536 oz | - |