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INTEGRATED CIRCUIT
S
APPLICATION NOTE
AN262_2
PCA954X FAMILY OF I²C / SMBus MULTIPLEXERS
and SWITCHES
PCA9540B, PCA9541, PCA9542A, PCA9543A, PCA9544A, PCA9545A,
PCA9546A, PCA9547, PCA9548A, PCA9549
Abstract - Philips Semiconductors family of Multiplexers and Switches are detailed in this application note that
discusses device operation, software programming, pull up resistor sizing/bus termination and typical
applications.
Paul Boogaards -
Field Application Engineer
Jean-Marc Irazabal -
PCA Technical Marketing Manager
Steve Blozis - PCA International Product Manager
Specialty Logic Product Line
Logic Product Group
Philips Semiconductors October 27, 2004
1
