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PCA9549

PCA9549 is Octal bus switch manufactured by NXP Semiconductors.
PCA9549 datasheet preview

PCA9549 Datasheet

Part number PCA9549
Download PCA9549 Datasheet (PDF)
File Size 139.57 KB
Manufacturer NXP Semiconductors
Description Octal bus switch
PCA9549 page 2 PCA9549 page 3

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Part Number Description
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
PCA9543A 2-channel I2C-bus switch
PCA9543B 2-channel I2C-bus switch

PCA9549 Description

The PCA9549 provides eight bits of high speed TTL-patible bus switching controlled by the I2C-bus. The low ON-state resistance of the switch allows connections to be made with minimal propagation delay. Any individual A to B channel or bination of channels can be selected via the I2C-bus, determined by the contents of the programmable Control register.

PCA9549 Key Features

  • 13 July 2009

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