Frequency Generator for Fibre Channel Systems
Integrated Circuit Systems, Inc.
AV9107C-19 AV9107C-20
Frequency Generator for Fibre Channel Systems
General Descripti...
Description
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
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