Datasheet Details
| Part number | PCA9544A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.96 MB |
| Description | Low Voltage 4-Channel I2C and SMBus Multiplexer |
| Download | PCA9544A Download (PDF) |
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| Part number | PCA9544A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.96 MB |
| Description | Low Voltage 4-Channel I2C and SMBus Multiplexer |
| Download | PCA9544A Download (PDF) |
|
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The PCA9544A is a 4-channel, bidirectional translating multiplexer controlled via the I2C bus.
The SCL/SDA upstream pair fans out to four downstream pairs, or channels.
One SCL/SDA pair can be selected at a time, and this is determined by the contents of the programmable control register.
Product Folder Order Now Technical Documents Tools & Software Support & Community PCA9544A SCPS146F – OCTOBER 2005 – REVISED AUGUST 2019 PCA9544A Low Voltage 4-Channel I2C and SMBus Multiplexer With Interrupt Logic.
| Brand Logo | Part Number | Description | Manufacturer |
|---|---|---|---|
 |
PCA9544A | 4-channel I2C-bus multiplexer | NXP |
|
PCA9544ABS | 4-channel I2C-bus multiplexer | NXP |
|
PCA9544AD | 4-channel I2C-bus multiplexer | NXP |
|
PCA9544APW | 4-channel I2C-bus multiplexer | NXP |
|
PCA9544 | 4-channel I2C multiplexer and interrupt controller | NXP |
| Part Number | Description |
|---|---|
| PCA9543A | 2-Channel I2C Bus Switch |
| PCA9545A | Low Voltage 4-channel I2C and SMbus Switch |
| PCA9546A | Low Voltage 4-Channel I2C and SMBus Switch |
| PCA9548A | Low Voltage 8-Channel I2C Switch |
| PCA9515A | Dual Bidirectional I2C Bus and SMBus Repeater |
| PCA9515B | Dual Bidirectional I2C Bus and SMBus Repeater |
| PCA9517 | Level-Translating I2C Bus Repeater |
| PCA9518 | Expandable Five-Channel I2C HUB |
| PCA9534 | Remote 8-Bit I2C and SMBus Low-Power I/O Expander |
| PCA9534A | Remote 8-BIT I2C and SMBus Low-Power I/O Expander |