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813N252I-09

IDT
Part Number 813N252I-09
Manufacturer IDT
Description VCXO Jitter Attenuator & FemtoClock Multiplier
Published Jan 15, 2017
Detailed Description VCXO Jitter Attenuator & FemtoClock® Multiplier 813N252I-09 Datasheet General Description The 813N252I-09 is a PLL bas...
Datasheet PDF File 813N252I-09 PDF File

813N252I-09
813N252I-09

Overview
VCXO Jitter Attenuator & FemtoClock® Multiplier 813N252I-09 Datasheet General Description The 813N252I-09 is a PLL based synchronous multiplier that is optimized for PDH or SONET to Ethernet clock jitter attenuation and frequency translation.
The device contains two internal frequency multiplication stages that are cascaded in series.
The first stage is a VCXO PLL that is optimized to provide reference clock jitter attenuation.
The second stage is a FemtoClock™frequency multiplier that provides the low jitter, high frequency Ethernet output clock that easily meets Gigabit and 10 Gigabit Ethernet jitter requirements.
Pre-divider and output divider multiplication ratios are selected using device selection control pins.
The multiplication ratios are optimized to support most common clock rates used in PDH, SONET and Ethernet applications.
The VCXO requires the use of an external, inexpensive pullable crystal.
The VCXO uses external passive loop filter components which allows configur...


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