Description
The PCA9544A is a 1-of-4 bidirectional translating multiplexer, controlled via the I2C-bus.
Features
- 1-of-4 bidirectional translating multiplexer.
- I2C-bus interface logic; compatible with SMBus.
- 4 active LOW interrupt inputs.
- Active LOW interrupt output.
- 3 address pins allowing up to 8 devices on the I2C-bus.
- Channel selection via I2C-bus.
- Power-up with all multiplexer 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.
- Low st.
9544A-NXP.pdf
