Datasheet

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Hub
Logic
SCL4
SCL0
Buffer
SCL1
Buffer
SCL2
Buffer
EN1
Buffer
SCL3
Buffer
Hub
Logic
SDA4
SDA0 Buffer
SDA1 Buffer
SDA2 Buffer
Buffer
SDA3
Buffer
PCA9518
EN2
EN4
EN3
EXPSDA2
EXPSDA1
EXPSCL1
EXPSCL2
GND
V
CC
Data
Enable
To Output
In
z
Inc
PCA9518
EXPANDABLE FIVE-CHANNEL I
2
C HUB
SCPS132A – JUNE 2006 – REVISED JULY 2007
FUNCTIONAL BLOCK DIAGRAM
A more detailed view of each buffer in the functional block diagram is shown in Figure 1 .
Figure 1. Buffer Details
4
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