ics9112-31 ETC-unknow, ics9112-31 Datasheet

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ics9112-31

Manufacturer Part Number
ics9112-31
Description
Frequency Generator Fibre Channel Systems
Manufacturer
ETC-unknow
Datasheet
1.ICS9112-31.pdf (5 pages)
Frequency Generator for Fibre Channel Systems
General Description
The ICS9112-31/32 are high-speed clock generators designed
to support fibre channel system requirements. The ICS9112-
31/32 generates 106.25 MHz from a 25 MHz crystal.
An exact frequency multiplying ratio ensures better than
±100 ppm frequency accuracy using a standard AT crystal
with external load capacitors (typically 33pF ±5% for an
18pF load crystal). Achieving ±100 ppm over four years
requires the crystal to have a ±20 ppm initial accuracy, ±30
ppm temperature and ±5 ppm/year aging coefficients.
The ICS9112-31/32 with less than 25ps accumulative jitter
is well suited for Fibre Channel applications.
Block Diagram
9112-31 9112-32 Rev D 3/2/99
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•
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Applications
•
Features
Specifically designed to support the high-speed
clocking requirements of fibre channel systems.
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
Preliminary Product Preview
ICS9112-31/32

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ics9112-31 Summary of contents

Page 1

... Achieving ±100 ppm over four years requires the crystal to have a ±20 ppm initial accuracy, ±30 ppm temperature and ±5 ppm/year aging coefficients. The ICS9112-31/32 with less than 25ps accumulative jitter is well suited for Fibre Channel applications. Block Diagram ...

Page 2

... ICS9112-31/32 Preliminary Product Preview Pin Configurations 8-Pin SOIC Functionality Pin Descriptions ...

Page 3

... ICS9112-31/32 Preliminary Product Preview ...

Page 4

... ICS9112-31/32 Preliminary Product Preview Electrical Characteristics at 3. ...

Page 5

... Ordering Information ICS9112M-31/32 Example: ICS XXXX M-PPP Pattern Number digit number for parts with ROM code patterns) Package Type Device Type (consists digit numbers) Prefix Preliminary Product Preview 8-Pin Plastic SOIC Package M=SOIC, SOP ICS=Standard Device ICS9112-31/32 ...

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