TCA9544A Overview
The TCA9544A is a 4-channel, bidirectional translating I2C Muliplexer. The master SCL/SDA signal pair is directed to one of the four channels of slave devices, SC0/SD0-SC3/SD3. Four interrupt inputs (INT3 INT0), one for each of the downstream pairs, are provided.
TCA9544A Key Features
- 1 1-of-4 Bidirectional Translating Switches
- I2C Bus and SMBus patible
- Four Active-Low Interrupt Inputs
- Active-Low Interrupt Output
- Three Address Pins, Allowing up to Eight
- Channel Selection Via I2C Bus
- Power-Up With All Switch Channels Deselected
- Low RON Switches
- Allows Voltage-Level Translation Between 1.8-V
- No Glitch on Power-Up