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ICS843S1333 fiches techniques PDF

IDT - CRYSTAL-TO-3.3V LVPECL CLOCK SYNTHESIZER

Numéro de référence ICS843S1333
Description CRYSTAL-TO-3.3V LVPECL CLOCK SYNTHESIZER
Fabricant IDT 
Logo IDT 





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ICS843S1333 fiche technique
CRYSTAL-TO-3.3V LVPECL CLOCK SYNTHESIZER
ICS843S1333
General Description
The ICS843S1333 is a high frequency clock
ICS generator and is a member of the HiPerClockS™
HiPerClockS™ family of High Performance Clock Solutions from
IDT. The ICS843S1333 uses an external 20MHz
crystal to synthesize 1333.33MHz. The
ICS843S1333 has excellent cycle-to-cycle and RMS period jitter
performance.
The ICS843S1333 operates at 3.3V operating supply and is
available in a fully RoHS compliant 8-lead TSSOP package.
Features
One differential LVPECL output
Crystal oscillator interface designed for 18pF, 20MHz parallel
resonant crystal
Cycle-to-Cycle Jitter: 25ps (maximum)
Period Jitter, RMS: 2ps (maximum)
Output Duty Cycle: 48 – 52%
Full 3.3V supply mode
0°C to 70°C ambient operating temperature
Available in lead-free (RoHS 6) packages
Table 1. Frequency Table
Crystal Frequency (MHz)
20
Multiplier Value
66.67
Output Frequency (MHz)
1333.33
Block Diagram
OE Pullup
20MHz
XTAL_IN
OSC
XTAL_OUT
PLL Multiplier
(x66.67)
DQ
CLK
Pin Assignment
VCCA 1
8 VCC
VEE 2
7Q
Q
XTAL_OUT 3
6 nQ
XTAL_IN 4
5 OE
nQ
ICS843S1333
8 Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
IDT™ / ICS™ 3.3V LVPECL CLOCK SYNTHESIZER
1
ICS843S1333CG REV. A AUGUST 28, 2008

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