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| PartNumber | PCA9544ADWR | PCA9544ADW | PCA9544ADWG4 |
| Description | Switch ICs - Various 4-Ch I2C & SMBus Multiplexer | Switch ICs - Various 4-Ch I2C & SMBus Multiplexer | I2C Multiplexer 1-Element 4-IN 20-Pin SOIC Tube (Alt: PCA9544ADWG4) |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Switch ICs - Various | Switch ICs - Various | - |
| RoHS | Y | Y | - |
| Product | Bidirectional Translating Switches | Bidirectional Translating Switches | - |
| Number of Switches | 4 Switch | 4 Switch | - |
| Configuration | - | - | - |
| On Resistance Max | 45 Ohms | 45 Ohms | - |
| 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 | SOIC-20 | SOIC-20 | - |
| Packaging | Reel | Tube | - |
| Bandwidth | - | - | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 12.8 mm | 12.8 mm | - |
| Series | PCA9544A | PCA9544A | - |
| Width | 7.52 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Supply Current Max | 12 uA | 12 uA | - |
| Pd Power Dissipation | 400 mW | 400 mW | - |
| Product Type | Switch ICs - Various | Switch ICs - Various | - |
| Factory Pack Quantity | 2000 | 25 | - |
| Subcategory | Switch ICs | Switch ICs | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.3 V | 2.3 V | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | - |