PCA9545A Description
The PCA9545A is a quad bidirectional translating switch controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCn/SDn channel or bination of channels can be selected, determined by the contents of the programmable control register.
PCA9545A Key Features
- 1 1-of-4 Bidirectional Translating Switches
- I2C Bus and SMBus patible
- Four Active-Low Interrupt Inputs
- Active-Low Interrupt Output
- Active-Low Reset Input
- Two Address Terminals, Allowing up to Four
- Channel Selection via I2C Bus, in Any
- Power-Up With All Switch Channels Deselected
- Low RON Switches
- Allows Voltage-Level Translation Between 1.8-V