PCA9543 Description
The PCA9543 is a bi-directional translating switch, controlled by the I2C-bus. The SCL/SDA upstream pair fans out to two downstream pairs, or channels. Any individual SCx/SDx channels or bination of channels can be selected, determined by the contents of the programmable control register.
PCA9543 Key Features
- 1-of-2 bi-directional translating switches
- I2C interface logic; patible with SMBus standards
- 2 Active LOW Interrupt Inputs
- Active LOW Interrupt Output
- Active LOW Reset Input
- 2 address pins allowing up to 4 devices on the I2C-bus
- Channel selection via I2C-bus, in any bination
- Power up with all switch channels deselected
- Low RdsON switches
- Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and