PD544A multiplexer equivalent, low voltage 4-channel i2c and smbus multiplexer.
*1 1-of-4 Bidirectional translating switches
* I2C Bus and SMBus compatible
* Four active-low interrupt inputs
* Active-low interrupt output
* Three a.
* Servers
* Routers (Telecom Switching Equipment)
* Factory Automation
* Products With I2C Slave Address.
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 content.
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