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IDT - Differential LVPECL-To-LVPECL/ECL Fanout Buffer

Numéro de référence ICS8S89831I
Description Differential LVPECL-To-LVPECL/ECL Fanout Buffer
Fabricant IDT 
Logo IDT 





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ICS8S89831I fiche technique
Differential LVPECL-To-LVPECL/ECL
Fanout Buffer
ICS8S89831I
DATA SHEET
General Description
The ICS8S89831I is a high speed 1-to-4 Differential-
ICS to-LVPECL/ECL Fanout Buffer. The ICS8S89831I is
HiPerClockS™ optimized for high speed and very low output skew,
making it suitable for use in demanding applications
such as SONET, 1 Gigabit and 10 Gigabit Ethernet,
and Fibre Channel. The internally terminated differential input and
VREF_AC pin allow other differential signal families such as LVDS,
LVHSTL and CML to be easily interfaced to the input with minimal
use of external components. The device also has an output enable
pin which may be useful for system test and debug purposes. The
ICS8S89831I is packaged in a small 3mm x 3mm 16-pin VFQFN
package which makes it ideal for use in space-constrained
applications.
Features
Four LVPECL/ECL outputs
IN, nIN input can accept the following differential input levels:
LVPECL, LVDS, CML, SSTL
50internal input termination to VT
Output frequency: >2.1GHz
Output skew: 30ps (maximum)
Part-to-part skew: 185ps (maximum)
Additive phase jitter, RMS: 0.31ps (typical)
Propagation Delay: 570ps (maximum)
LVPECL mode operating voltage supply range:
VCC = 2.5V±5%, 3.3V±5%, VEE = 0V
ECL mode operating voltage supply range:
VCC = 0V, VEE = -3.3V±5%, -2.5V±5%
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
Block Diagram
EN Pullup
DQ
IN
VT 50
nIN 50
VREF_AC
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Pin Assignment
16 15 14 13
Q1 1
12 IN
nQ1 2
11 VT
Q2 3
10 VREF_AC
nQ2 4
9 nIN
5 6 78
ICS8S89831I
16-Lead VFQFN
3mm x 3mm x 0.925mm package body
K Package
Top View
ICS8S89831AKI REVISION A APRIL 26, 2010
1
©2010 Integrated Device Technology, Inc.

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