PCA9544A
PCA9544A is Low Voltage 4-Channel I2C and SMBus Multiplexer manufactured by Texas Instruments.
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SCPS146F
- OCTOBER 2005
- REVISED AUGUST 2019
PCA9544A Low Voltage 4-Channel I2C and SMBus Multiplexer With Interrupt Logic
1 Features
- 1 1-of-4 Bidirectional translating switches
- I2C Bus and SMBus patible
- Four active-low interrupt inputs
- Active-low interrupt output
- Three address pins, allowing up to eight devices on the I2C Bus
- Channel selection via I2C Bus
- Power up with all switch channels deselected
- Low RON switches
- Allows voltage-level translation between 1.8-V,
2.5-V, 3.3-V, and 5-V Buses
- No glitch on power up
- Supports hot insertion
- Low standby current
- Operating...
