853S54AKILF IDT, Integrated Device Technology Inc, 853S54AKILF Datasheet - Page 9

• Manufacturer Part Number: 853S54AKILF
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 853S54AKILF

• Lead Free Status / RoHS Status: Supplier Unconfirmed

ICS853S54I Data Sheet
LVPECL Clock Input Interface (2.5V)
The PCLK /nPCLK accepts LVPECL, LVDS and other differential
signals. The differential signal must meet the V
requirements. Figures 2A to 2C show interface examples for the
PCLK/nPCLK input driven by the most common driver types. The
Figure 2A. PCLK/nPCLK Input Driven by a 2.5V LVDS
Figure 2C. PCLK/nPCLK Input Driven by a 2.5V LVPECL
ICS853S54AKI REVISION A DECEMBER 18, 2009
2.5V
2.5V
LVDS
2,5V LVPECL
Driv er
Driver
Driver
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50Ω
Zo = 50Ω
R1
250
R2
62.5
R1
100
R3
250
R4
62.5
PP
and V
PCLK
nPCLK
PCLK
nPCLK
2.5V
2.5V
LVPECL
Input
CMR
LVPECL
Input
input
9
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 2B. PCLK/nPCLK Input Driven by a 3.3V LVPECL
3.3V LVPECL Driv er
3.3V
Driver with AC Couple
DUAL 2:1, 1:2 DIFFERENTIAL-TO-LVPECL/ECL MULTIPLEXER
R6
100 - 180
R7
100 - 180
Zo = 50
Zo = 50
©2009 Integrated Device Technology, Inc.
C1
C2
R1
100
R2
100
R3
100
R4
100
PCLK
nPCLK
2.5V