8V19N850 Hardware Design Guide
X0120307 Rev.1.0
Mar 25, 2021
Page 10
Figure 11. LVPECL Style Term ination
Table 3. V
T
Values for Output Term ination in Figure 11
Output Supply Voltage
Output Am plitude
V
TT
V
DDO_V
= 1.8V
350mV
V
DDO_v
– 1.50V
500mV
V
DDO_v
– 1.75V
V
DDO_V
= 2.5V
350mV
V
DDO_v
– 1.50V
500mV
V
DDO_v
– 1.75V
V
DDO_V
= 3.3V
350mV
V
DDO_v
– 1.50V
500mV
V
DDO_v
– 1.75V
750mV
V
DDO_v
– 2.0V
1000mV
V
DDO_v
– 2.25V
High Impedance Input
+
-
Zo = 50
R1
50
No Built-in Termination
VDDO_v
VTT
Zo = 50
LVPECL Driv er
R2
50