9544A multiplexer equivalent, 4-channel i2c-bus multiplexer.
* 1-of-4 bidirectional translating multiplexer
* I2C-bus interface logic; compatible with SMBus
* 4 active LOW interrupt inputs
* Active LOW interrupt out.
The PCA9544A is a 1-of-4 bidirectional 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 o.
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