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| Part Number | PCA9544AGQNR |
| Description | IC MUX 4CH I2C/SMBUS 20-BGA |
| Manufacturer | Texas Instruments |
| Series | - |
| Part Status | Obsolete |
| Applications | Translating Switch |
| Interface | I²C, SMBus |
| Voltage - Supply | 2.3V ~ 5.5V |
| Package / Case | 20-VFBGA |
| Supplier Device Package | 20-BGA MICROSTAR JUNIOR (4x3) |
| Mounting Type | Surface Mount |