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ICS8533-11 fiches techniques PDF

ICST - LVPECL FANOUT BUFFER

Numéro de référence ICS8533-11
Description LVPECL FANOUT BUFFER
Fabricant ICST 
Logo ICST 





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ICS8533-11 fiche technique
www.DataSheet4U.com
Integrated
Circuit
Systems, Inc.
ICS8533-11
LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/
DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
GENERAL DESCRIPTION
The ICS8533-11 is a low skew, high performance
,&6 1-to-4 Crystal Oscillator/Differential-to-3.3V
HiPerClockSLVPECL fanout buffer and a member of the
HiPerClockS™ family of High Performance Clock
Solutions from ICS. The ICS8533-11 has select-
able differential clock or crystal inputs. The CLK, nCLK pair
can accept most standard differential input levels. The clock
enable is internally synchronized to eliminate runt pulses on
the outputs during asynchronous assertion/deassertion of the
clock enable pin.
Guaranteed output and part-to-part skew characteristics
make the ICS8533-11 ideal for those applications demand-
ing well defined performance and repeatability.
FEATURES
4 differential 3.3V LVPECL outputs
Selectable CLK, nCLK or crystal inputs
CLK, nCLK pair can accept the following differential input
levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL
Maximum output frequency up to 650MHz
Translates any single-ended input signal to 3.3V
LVPECL levels with resistor bias on nCLK input
Output skew: 30ps (maximum)
Part-to-part skew: 150ps (maximum)
Propagation delay: 2ns (maximum)
3.3V operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
BLOCK DIAGRAM
CLK_EN
CLK
nCLK
XTAL1
XTAL2
CLK_SEL
0
1
D
Q
LE
PIN ASSIGNMENT
VEE 1
20 Q0
CLK_EN 2 19 nQ0
CLK_SEL 3
18 VCC
CLK 4 17 Q1
Q0 nCLK 5 16 nQ1
nQ0
XTAL1 6
15 Q2
XTAL2 7
14 nQ2
Q1
nc 8
13 VCC
nQ1 nc 9 12 Q3
Q2 VCC 10 11 nQ3
nQ2
ICS8533-11
Q3
nQ3
20-Lead TSSOP
6.5mm x 4.4mm x 0.92 Package Body
G Package
Top View
8533AG-11
www.icst.com/products/hiperclocks.html
1
REV. D JULY 16, 2001

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