Integrated
Circuit
Systems, Inc.
AV9107C-19
AV9107C-20
Frequency Generator for Fibre Channel Systems
General Description
The
AV9107C-19
and
AV9107C-20
are high-speed clock
generators designed to support fibre channel system
requirements. The
AV9107C-19
generates a single copy of
the 106.25 MHz from a 17 MHz crystal. The
AV9107C-20
provides a second copy of the 106.25 MHz clock with
output skew less than ±100ps.
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 tempera-ture and ±5 ppm/year aging coefficients.
Features
Generates one or two 106.25 MHz clocks from a
17 MHz crystal
Less than 60ps one sigma jitter
Less than ±200ps absolute jitter
Output skew less than ±100ps on two channel
version (-20)
Rise/fall times less than 4ns 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
Block Diagram
AV 9107-19 20 RevC091897P
ICS reserves the right to make changes in the device data identified in this
publication without further notice. ICS advises its customers to obtain the latest
version of all device data to verify that any information being relied upon by the
customer is current and accurate.
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