PD544A
Description
The PCA9544A is a 4-channel, bidirectional translating multiplexer controlled via the I2C bus.
Key Features
- 1 1-of-4 Bidirectional translating switches
- Four active-low interrupt inputs
- Active-low interrupt output
- Three address pins, allowing up to eight devices on the I2C Bus
- Channel selection via I2C Bus
- Power up with all switch channels deselected
- Low RON switches
- Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses
- No glitch on power up
- Supports hot insertion
Applications
- Routers (Tele Switching Equipment)
