ICS889872AKLFT IDT, Integrated Device Technology Inc, ICS889872AKLFT Datasheet - Page 9

• Manufacturer Part Number: ICS889872AKLFT
• Description: IC BUFFER/DIVIDER HS 16-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution), Dividerr

Specifications of ICS889872AKLFT

• Number Of Circuits: 1
• Ratio - Input:output: 1:3
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL
• Output: LVDS
• Frequency - Max: 2GHz
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-VFQFN
• Frequency-max: 2GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 889872AKLFT

2.5V LVPECL Input with Built-In 50
The IN /nIN with built-in 50Ω terminations accept LVDS, LVPECL,
CML and other differential signals. Both signals must meet the V
and V
examples for the HiPerClockS IN /nIN with built-in 50
input driven by the most common driver types. The input interfaces
Figure 3A. HiPerClockS IN/nIN Input with Built-In 50Ω
Figure 3C. HiPerClockS IN/nIN Input with Built-In 50Ω
Figure 3E. HiPerClockS IN/nIN Input with Built-In 50Ω
IDT™ / ICS™ LVDS BUFFER/DIVIDER W/INTERNAL TERMINATION
ICS889872
DIFFERENTIAL-TO-LVDS BUFFER/DIVIDER W/INTERNAL TERMINATION
3.3V or 2.5V
CMR
2.5V
2.5V
CML
SSTL
input requirements. Figures 3A to 3E show interface
LVDS
Driven by an LVDS Driver
Driven by a CML Driver
Driven by an SSTL Driver
R1
R2
25
25
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
IN
VT
nIN
IN
VT
nIN
IN
VT
nIN
Ω
2.5V
2.5V
2.5V
Ω
Termination Interface
termination
Receiver
With
Built-In
50Ω
Receiver
With
Built-In
50Ω
Receiver
With
Built-In
50Ω
PP
9
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. HiPerClockS IN/nIN Input with Built-In 50Ω
Figure 3D. HiPerClockS IN/nIN Input with Built-In 50Ω
2.5V
2.5V
CML - Built-in 50Ω Pull-up
LVPECL
Driven by an LVPECL Driver
Driven by a CML Driver with Built-In 50Ω
Pullup
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
ICS889872AK REV. B JULY 10, 2008
R1
18
PRELIMINARY
IN
VT
nIN
IN
VT
nIN
2.5V
2.5V
Receiver
With
Built-In
50Ω
Receiver
With
Built-In
50Ω