TCA9545A Description
The TCA9545A 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.
TCA9545A 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 bination
- Power-up with all switch channels deselected
- Low RON switches
- Allows voltage-level translation between 1.8-V