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| PartNumber | PCA9544APWR | PCA9544APWRG4 | PCA9544APWRE4 |
| Description | Switch ICs - Various 4-Ch I2C & SMBus Multiplexer | Switch ICs - Various 4-Ch I2C And SMBus Multiplexer | Switch ICs - Various 4-Ch I2C & SMBus Multiplexe |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Switch ICs - Various | Switch ICs - Various | - |
| RoHS | Y | Y | - |
| Product | Bidirectional Translating Switches | - | - |
| Number of Switches | 4 Switch | - | - |
| Configuration | - | - | - |
| On Resistance Max | 45 Ohms | - | - |
| Operating Supply Voltage | 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 | TSSOP-20 | TSSOP-20 | - |
| Packaging | Reel | Reel | - |
| Bandwidth | - | - | - |
| Height | 1.15 mm | - | - |
| Length | 6.5 mm | - | - |
| Series | PCA9544A | PCA9544A | - |
| Width | 4.4 mm | - | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Supply Current Max | 12 uA | - | - |
| Pd Power Dissipation | 400 mW | - | - |
| Product Type | Switch ICs - Various | Switch ICs - Various | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Switch ICs | Switch ICs | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.3 V | - | - |
| Unit Weight | 0.002716 oz | 0.002716 oz | - |