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ICS9112-31 fiches techniques PDF

Integrated Circuit Systems - (ICS9112-31/32) Frequency Generator

Numéro de référence ICS9112-31
Description (ICS9112-31/32) Frequency Generator
Fabricant Integrated Circuit Systems 
Logo Integrated Circuit Systems 





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ICS9112-31 fiche technique
m ICS9112-31/32Integrated
.coCircuit
Systems, Inc.
Preliminary Product Preview
FrequetanScyheGeet4nUerator for Fibre Channel SystemsGeneral Description
.DaThe ICS9112-31/32 are high-speed clock generators designed
to support fibre channel system requirements. The ICS9112-
w31/32 generates 106.25 MHz from a 25 MHz crystal.
wwAn exact frequency multiplying ratio ensures better than
±100 ppm frequency accuracy using a standard AT crystal
mwith external load capacitors (typically 33pF ±5% for an
o18pF load crystal). Achieving ±100 ppm over four years
requires the crystal to have a ±20 ppm initial accuracy, ±30
.cppm temperature and ±5 ppm/year aging coefficients.
The ICS9112-31/32 with less than 25ps accumulative jitter
t4Uis well suited for Fibre Channel applications.
Features
• Generates 106.25 MHz clocks from a 25 MHz
crystal
• Less than 45ps one sigma jitter (15ps typ.)
• Less than ±130ps absolute jitter
• Less than 25ps accumulative jitter @ 256 cycles
• Rise/fall times less than 1.2ns driving 15pF
• On-chip loop filter components
• 3.0V-5.5V supply range
• 8-pin, 150-mil SOIC package
Applications
• Specifically designed to support the high-speed
clocking requirements of fibre channel systems.
taSheeBlock Diagram
www.Da www.DataSheet4U.com9112-319112-32RevD3/2/99
PRODUCT PREVIEW documents contain information on new
products in the sampling or preproduction phase of development.
Characteristic data and other specifications are subject to change
without notice.

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