Part PCA9548A
Description Low Voltage 8-Channel I2C Switch
Manufacturer Texas Instruments
Size 2.99 MB
Texas Instruments
PCA9548A

Overview

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.

  • 1-of-8 Bidirectional Translating Switches
  • I2C Bus and SMBus Compatible
  • Active-Low Reset Input
  • Three Hardware Address Pins for Use of up to Eight PCA9548A 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
  • 8-V, 2.5-V, 3.3-V, and 5-V Buses
  • No Glitch on Power Up