Datasheet

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Switch Control Logic
I
2
C Bus Control
Interrupt Logic
Input Filter
Power-on Reset
PCA9544A
SC0
A1
A0
INT
INT0
SDA
SCL
GND
SD3
SD2
SD1
SD0
SC3
SC2
SC1
V
CC
A2
6
9
13
16
5
8
12
15
10
20
18
19
1
2
3
17
INT1
INT2
INT3
4
7
11
14
Pin numbers shown are for DGV, DW, PW, and RGY packages.
Output
Filter
PCA9544A
4-CHANNEL I
2
C AND SMBus MULTIPLEXER
WITH INTERRUPT LOGIC
SCPS146D – OCTOBER 2005 – REVISED FEBRUARY 2008
BLOCK DIAGRAM
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