Datasheet
PCA9540B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 5 May 2014 3 of 27
NXP Semiconductors
PCA9540B
2-channel I
2
C-bus multiplexer
4. Block diagram
Fig 1. Block diagram of PCA9540B
SWITCH CONTROL LOGIC
PCA9540B
POWER-ON
RESET
002aae715
SC1
V
SS
V
DD
I
2
C-BUS
CONTROL
INPUT
FILTER
SCL
SDA
SC0
SD1
SD0
