| Part Number | PCA9544 |
| Manufacturer | NXP (https://www.nxp.com/) |
| Title | 4-channel I2C multiplexer and interrupt controller |
| Description | The PCA9544 is a 1-of-4 bi-directional translating multiplexer, controlled via the I2C bus. The SCL/SDA upstream pair fans out to four SCx/SDx dow... |
| Features |
• 1-of-4 bi-directional translating multiplexer • Channel selection via I2C bus • Operating supply voltage 2.5 to 3.6 V • Operating temperature range 0°C to 70°C • Power-up with all multiplexer channels deselected • 3 address pins, allowing up to 8 ... |
| Datasheet |
 PCA9544 Datasheet
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