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PCA9543 2-channel I2C switch

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Description

INTEGRATED CIRCUITS PCA9543 2-channel I2C switch with interrupt logic and reset Product data sheet Supersedes data of 2002 Feb 19 2004 Oct 01 Philip.
The PCA9543 is a bi-directional translating switch, controlled by the I2C-bus.

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Features

* 1-of-2 bi-directional translating switches
* I2C interface logic; compatible with SMBus standards
* 2 Active LOW Interrupt Inputs
* Active LOW Interrupt Output
* Active LOW Reset Input
* 2 address pins allowing up to 4 devices on the I2C-bus

PCA9543 Distributors

📁 Related Datasheet

  • PCA9543A - 2-Channel I2C Bus Switch (Texas Instruments)
  • PCA9543B - 2-channel I2C-bus switch (NXP Semiconductors)
  • PCA9543C - 2-channel I2C-bus switch (NXP Semiconductors)
  • PCA9541 - 2-to-1 I2C-bus master selector (NXP Semiconductors)
  • PCA9541A - 2-to-1 I2C-bus master selector (NXP Semiconductors)
  • PCA9542A - 2-channel I2C-bus multiplexer and interrupt logic (NXP Semiconductors)

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2-channel I2C switch NXP
NXP PCA9543-like datasheet
PCA9540
PCA9540B
PCA9542
PCA9544
PCA9544A