Download PCA9548A Datasheet PDF
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PCA9548A Description

The PCA9548A device has eight bidirectional translating switches that can be controlled through the I2C bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCx/SDx channel or bination of channels can be selected, determined by the contents of the programmable control register.

PCA9548A Key Features

  • 1-of-8 Bidirectional Translating Switches
  • I2C Bus and SMBus patible
  • Active-Low Reset Input
  • Channel Selection Via I2C Bus
  • Power-Up with All Switch Channels Deselected
  • Low RON Switches
  • Allows Voltage-Level Translation Between
  • No Glitch on Power Up
  • Supports Hot Insertion
  • Low Standby Current