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TCA9544A

TCA9544A is Low Voltage 4-Channel I2C and SMBus Multiplexer manufactured by Texas Instruments.
TCA9544A datasheet preview

TCA9544A Datasheet

Part number TCA9544A
Download TCA9544A Datasheet (PDF)
File Size 0.97 MB
Manufacturer Texas Instruments
Description Low Voltage 4-Channel I2C and SMBus Multiplexer
TCA9544A page 2 TCA9544A page 3

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TCA9544A Distributor

TCA9544A 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. 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

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