Download PCA9546A Datasheet PDF
PCA9546A page 2
Page 2
PCA9546A page 3
Page 3

PCA9546A Description

The PCA9546A is a quad bidirectional translating switch controlled via the I2C bus. The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCn/SDn channel or bination of channels can be selected, determined by the contents of the programmable control register.

PCA9546A Key Features

  • 1-of-4 Bidirectional Translating Switches
  • I2C Bus and SMBus patible
  • Active-Low Reset Input
  • Three Address Pins, Allowing up to Eight
  • Channel Selection Via I2C Bus, in Any
  • Power-up With All Switch Channels Deselected
  • Low RON Switches
  • Allows Voltage-Level Translation Between
  • No Glitch on Power-up
  • Supports Hot Insertion