7 / 10 page
CY2DP314
Document #: 38-07550 Rev.*G
Page 7 of 10
Applications Information
Termination Examples
VTT
Z o = 50 ohm
VTT
5"
5"
C Y 2D P 314
R T = 50 ohm
R T = 50 ohm
VC C
VE E
Figure 7. Standard LVPECL – PECL Output Termination
VTT
Z o = 50 oh m
VTT
5"
5"
C Y 2D P 3 14
R T = 50 oh m
R T = 50 oh m
VC C
VE E
VB B ( 3 . 3 V)
Figure 8. Driving a PECL/ECL Single-ended Input
3. 3V
Z o = 50 oh m
3. 3V
5"
5"
CY 2 D P 3 1 4
120 oh m
12 0 o h m
VC C = 3 . 3 V
VE E = 0 V
LV D S
51 o h m
( 2 pl a c es )
33 o h m
( 2 p l ac es )
L VPEC L t o
LV D S
Figure 9. Low-voltage Positive Emitter-coupled Logic (LVPECL) to a Low-voltage
Differential Signaling (LVDS) Interface
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