O_LVTTL
I_LVTTL
V
CC
V
CC
V
CC
V
BB
1.4 V
GND
ESD
PROTECTION
ESD
PROTECTION
GND
GND
Figure 8. O-LVTTL and I-LVTTL simplified circuit schematic.
HS_OUT
HS_IN
V
CC
V
V
HS
CC
+
75 Ω
–
+
–
V
CC
CC
Z0 = 75 Ω
0.01 µF
FM_NODE[n]+
TO_NODE[n]+
2*Z0 = 150 Ω
TO_NODE[n]–
GND
FM_NODE[n]–
GND
0.01 µF
Z0 = 75 Ω
ESD
ESD
PROTECTION
PROTECTION
GND
GND
NOTE:
FM_NODE[n] INPUTS SHOULD NEVER BE CONNECTED TO GROUND AS PERMANENT DAMAGE TO THE DEVICE MAY RESULT.
Figure 9. HS_OUT and HS_IN simplified circuit schematic.
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