Download PCA9847 Datasheet PDF
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PCA9847 Description

The PCA9847 is an ultra-low voltage, octal bidirectional translating multiplexer controlled via the I2C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any single SCx/SDx channel can be selected, determined by the programmable control register.

PCA9847 Key Features

  • Ultra-low voltage operation, down to 0.8 V to interface with next-generation CPUs
  • 1-of-8 bidirectional translating multiplexer
  • Fm+ I2C-bus interface logic; patible with SMBus standards
  • Active LOW reset input
  • 2 address pins allowing up to 16 devices on the I2C-bus
  • Channel selection via I2C-bus
  • Power-up with all multiplexer channels deselected
  • Low Ron switches
  • Allows voltage level translation between 0.8 V, 1.8 V, 2.5 V and 3.3 V buses
  • Reset via I2C-bus software mand