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PCA9543A - 2-channel I2C-bus switch

NXP Semiconductors

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Datasheet Details

Part number	PCA9543A
Manufacturer	NXP ↗ Semiconductors
File Size	169.47 KB
Description	2-channel I2C-bus switch
Datasheet	PCA9543A_NXPSemiconductors.pdf

PCA9543A Product details

Description

The PCA9543A/43B/43C is a bidirectional translating switch, controlled by the I2C-bus.

Features

I I I I I I I I I I I I I I I 1-of-2 bidirectional translating switches I2C-bus 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 Alternate address versions A, B and C allow up to a total of 12 devices on the bus for larger systems or to resolve address conﬂicts Channel selection via I2C-bus, in any combination Power-up with all switch channels deselected Low Ron.

📁 PCA9543A Similar Datasheet

PCA9543 - 2-channel I2C switch (NXP)
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PCA9544ABS - 4-channel I2C-bus multiplexer (NXP)
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Other Datasheets by NXP Semiconductors

PCA9543B - 2-channel I2C-bus switch
PCA9543C - 2-channel I2C-bus switch
PCA9541 - 2-to-1 I2C-bus master selector
PCA9541A - 2-to-1 I2C-bus master selector
PCA9542A - 2-channel I2C-bus multiplexer and interrupt logic
PCA9549 - Octal bus switch

Published: Mar 30, 2010 |