L9637
Block diagram and pin description
1
Block diagram and pin description
1.1
Block diagram
Figure 1.
Block diagram
VCC
TX
R TX
R L O
R R X
VS
K
-
+
IK
O F F
1,75V
RX
LO
-
+
LI
-
+
ILI
GND
1.2
Pin description
Figure 2.
Pin connection (top view)
RX
LO
1
2
3
4
8
7
6
5
LI
VS
K
VCC
TX
GND
Table 2.
N.
Pin description
Name
Function
1
2
3
4
5
6
7
8
RX
LO
VCC
TX
Output for K as input
Output L comparator
Stabilized voltage supply
Input for K as output
Common GND
GND
K
Bidirectional I/O
VS
LI
Supply voltage
Input L comparator
Doc ID 1765 Rev 7
3/15