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ICS85411I

1-TO-2 DIFFERENTIAL-TO-LVDS FANOUT BUFFER



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ICS85411I pdf
LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-
LVDS FANOUT BUFFER
GENERAL DESCRIPTION
The ICS85411I is a low skew, high performance
ICS 1-to-2 Differential-to-LVDS Fanout Buffer and a
HiPerClockS™ member of the HiPerClockS™ family of High
Performance Clock Solutions from IDT. The CLK,
nCLK pair can accept most standard differential in-
put levels.The ICS85411I is characterized to operate from
a 3.3V power supply. Guaranteed output and par t-to-par t
skew characteristics make the ICS85411I ideal for those
clock distribution applications demanding well defined per-
for mance and repeatability.
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ICS85411I
FEATURES
Two differential LVDS outputs
One differential CLK, nCLK clock input
CLK, nCLK pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
Maximum output frequency: 650MHz
Translates any single ended input signal to
LVDS levels with resistor bias on nCLK input
Output skew: 25ps (maximum)
Part-to-part skew: 300ps (maximum)
Additive phase jitter, RMS: 0.05ps (typical)
Propagation delay: 2.5ns (maximum)
3.3V operating supply
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead free (RoHS 6)
packages
BLOCK DIAGRAM
CLK
nCLK
Q0
nQ0
Q1
nQ1
PIN ASSIGNMENT
Q0 1
nQ0 2
Q1 3
nQ1 4
8 VDD
7 CLK
6 nCLK
5 GND
ICS85411I
8-Lead SOIC
3.90mm x 4.90mm x 1.37mm package body
M Package
Top View
IDT/ ICSDIFFERENTIAL-TO-LVDS FANOUT BUFFER
1
ICS85411AMI REV. B NOVEMBER 7, 2007



No Preview Available !

ICS85411I pdf
ICS85411I
LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-LVDS FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 2
Q0, nQ0
Output
Differential output pair. LVDS interface levels.
3, 4
Q1, nQ1
Output
Differential output pair. LVDS interface levels.
5
GND
Power
Power supply ground.
6
nCLK
Input Pulldown Inverting differential clock input.
7
CLK
Input
Pullup Non-inverting differential clock input.
8 VDD Power
Positive supply pin.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
wwTwAB.DLEat2a.ShPeINetC4UH.AcRoAmCTERISTICS
Symbol Parameter
CIN
RPULLUP
R
PULLDOWN
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
kΩ
kΩ
IDT/ ICSDIFFERENTIAL-TO-LVDS FANOUT BUFFER
2
ICS85411AMI REV. B NOVEMBER 7, 2007



Part Number ICS85411I
Description 1-TO-2 DIFFERENTIAL-TO-LVDS FANOUT BUFFER
Maker Integrated Device Technology - Integrated Device Technology
Total Page 16 Pages
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