Datasheet4U Logo Datasheet4U.com

PI4MSD5V9547 - 8-Channel I2C bus multiplexer

General Description

The PI4MSD5V9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus.

The SCL/SDA upstream pair fans out to eight downstream pairs, or channels.

Only one SCx/SDx channel can be selected at a time, determined by the contents of the programmable control register.

Key Features

  • 1-of-8 bidirectional translating multiplexer.
  • I2C-bus interface logic.
  • Operating power supply voltage from 1.65V to 5.5V.
  • Allows voltage level translation between 1.2V, 1.8V,2.5 V, 3.3 V and 5 V buses.
  • Low standby current.
  • Low Ron switches.
  • Active LOW reset input.
  • Channel selection via I2C bus.
  • Power-up with one channel on.
  • Capacitance isolation when channel disabled.
  • No glitch on power-up.
  • Supports hot insertion.
  • 5 V tolerant inp.

📥 Download Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PI4MSD5V9547 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 8 Channel I2C bus multiplexer with Reset Features  1-of-8 bidirectional translating multiplexer  I2C-bus interface logic  Operating power supply voltage from 1.65V to 5.5V  Allows voltage level translation between 1.2V, 1.8V,2.5 V, 3.