Datasheet Details
| Part number | TCA9544A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 0.97 MB |
| Description | Low Voltage 4-Channel I2C and SMBus Multiplexer |
| Datasheet |
 TCA9544A Datasheet
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General Description
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.
INT0), one for each of the downstream pairs, are provided.
Key Features
- 1 1-of-4 Bidirectional Translating Switches.
- I2C Bus and SMBus Compatible.
- Four Active-Low Interrupt Inputs.
- Active-Low Interrupt Output.
- Three Address Pins, Allowing up to Eight TCA9544A 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.