Download TCA9546A Datasheet PDF
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TCA9546A Description

The TCA9546A 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.

TCA9546A Key Features

  • 1 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 bination
  • Power-up with all switch channels deselected
  • Low RON switches
  • Allows voltage-level translation between
  • No glitch on power-up
  • Supports hot insertion