adclk948 Analog Devices, Inc., adclk948 Datasheet - Page 11

• Manufacturer Part Number: adclk948
• Description: Two Selectable Inputs, 8 Lvpecl Outputs, Sige Clock Fanout Buffer
• Manufacturer: Analog Devices, Inc.

INPUT TERMINATION OPTIONS
Figure 20. DC-Coupled LVPECL Input Termination
(OPTIONAL)
Figure 19. DC-Coupled CML Input Termination
V
0.01µF
CONNECT V
CC
50Ω
V
CC
V
CLKx
CLKx
50Ω
ADCLK948
T
T
x
x TO V
V
CLKx
CLKx
ADCLK948
V
T
50Ω
x
REF
CC
50Ω
.
x
V
REF
50Ω
x
Rev. 0 | Page 11 of 12
Figure 21. AC-Coupled Input Termination, Such as LVDS and LEVPECL
Figure 22. AC-Coupled Single-Ended Input Termination
Figure 23. DC-Coupled 3.3 V CMOS Input Termination
CONNECT V
BYPASS CAPACITOR FROM V
ALTERNATIVELY, V
CONNECTED, GIVING A CLEANER LAYOUT AND
A 180º
PHASE SHIFT.
CONNECT V
T
x, V
V
CLKx
CLKx
V
CLKx
CLKx
REF
ADCLK948
50Ω
ADCLK948
T
50Ω
V
CLKx
CLKx
50Ω
T
x
ADCLK948
T
x
T
T
x TO V
x
x, AND CLKx. PLACE A
x, V
V
V
REF
REF
V
REF
REF
REF
x, AND CLKx CAN BE
50Ω
x
50Ω
x
50Ω
T
x
x.
x TO GROUND.
ADCLK948