8S89831AKILFT IDT, 8S89831AKILFT Datasheet - Page 10

• Manufacturer Part Number: 8S89831AKILFT
• Description: Clock Drivers & Distribution 1
• Manufacturer: IDT

Specifications of 8S89831AKILFT

• Rohs: yes
• Part # Aliases: ICS8S89831AKILFT

ICS8S89831I Data Sheet
2.5V LVPECL Input with Built-In 50
The IN /nIN with built-in 50Ω terminations accept LVDS, LVPECL,
CML, SSTL and other differential signals. Both signals must meet the
V
examples for the IN/nIN with built-in 50
Figure 3A. IN/nIN Input with Built-In 50Ω
Figure 3C. IN/nIN Input with Built-In 50Ω
ICS8S89831AKI REVISION A APRIL 26, 2010
IN
3.3V or 2.5V
and V
2.5V
IH
CML
LVDS
input requirements. Figures 3A to 3D show interface
Driven by an LVDS Driver
Driven by a CML Driver with Open Collector
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Ω
termination input driven by
IN
VT
nIN
IN
VT
nIN
Ω
2.5V
2.5V
Termination Interface
Receiver
With
Built-In
50Ω
Receiver
With
Built-In
50Ω
10
the most common driver types. The input interfaces suggested here
are examples only. If the driver is from another vendor, use their
termination recommendation. Please consult with the vendor of the
driver component to confirm the driver termination requirements.
Figure 3B. IN/nIN Input with Built-In 50Ω
Figure 3D. IN/nIN Input with Built-In 50Ω
2.5V
2.5V
SSTL
LVPECL
Driven by an LVPECL Driver
Driven by an SSTL Driver
DIFFERENTIAL LVPECL-TO-LVPECL/ECL FANOUT BUFFER
R1
R2
25Ω
25Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
©2010 Integrated Device Technology, Inc.
R1
18Ω
IN
VT
nIN
IN
VT
nIN
2.5V
2.5V
Receiver
With
Built-In
50Ω
Receiver
With
Built-In
50Ω