Function : 4-CHANNEL I2C AND SMBus MULTIPLEXER
Maker : Texas Instruments
The PCA9544A is a quad bidirectional translating switch 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.
Datasheet PDF Download :
Others datasheet of same file : PCA9544A,PCA9544ADGVR,PCA9544ADW,PCA9544ADWG4,PCA9544ADWR