Datasheet Details
| Part number | PCA9544 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 77.18 KB |
| Description | 4-channel I2C multiplexer and interrupt controller |
| Datasheet | PCA9544_PhilipsSemiconductors.pdf |
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Overview: INTEGRATED CIRCUITS PCA9544 4-channel I2C multiplexer and interrupt controller Product specification Supersedes data of 1999 Apr 01 1999 Oct 07 Philips Semiconductors Philips Semiconductors Product specification.
| Part number | PCA9544 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 77.18 KB |
| Description | 4-channel I2C multiplexer and interrupt controller |
| Datasheet | PCA9544_PhilipsSemiconductors.pdf |
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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 downstream pairs, or channels.
Only one SCx/SDx channel is selected at a time, determined by the contents of the programmable control register.
| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
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PCA9544A | Low Voltage 4-Channel I2C and SMBus Multiplexer | Texas Instruments |
| Part Number | Description |
|---|---|
| PCA9544A | 4-channel I2C-bus multiplexer |
| PCA9544ABS | 4-channel I2C-bus multiplexer |
| PCA9544AD | 4-channel I2C-bus multiplexer |
| PCA9544APW | 4-channel I2C-bus multiplexer |
| PCA9540 | 2-channel I2C multiplexer |
| PCA9540B | 2-channel I2C-bus multiplexer |
| PCA9542 | 2-channel I2C multiplexer and interrupt controller |
| PCA9543 | 2-channel I2C switch |
| PCA9545 | 4-channel I2C switch with interrupt logic and reset |
| PCA9545A | 4-channel I2C switch |