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843N252-45

IDT
Part Number 843N252-45
Manufacturer IDT
Description NG Crystal-to-3.3V LVPECL Frequency Synthesizer
Published Apr 6, 2019
Detailed Description FemtoClock® NG Crystal-to-3.3V LVPECL Frequency Synthesizer 843N252-45 Data Sheet General Description The 843N252-45 i...
Datasheet PDF File 843N252-45 PDF File

843N252-45
843N252-45

Overview
FemtoClock® NG Crystal-to-3.
3V LVPECL Frequency Synthesizer 843N252-45 Data Sheet General Description The 843N252-45 is a 1 LVPECL and 1 LVCMOS output Synthesizer optimized to generate Ethernet reference clock frequencies.
The device uses IDT’s fourth generation FemtoClock ® NG technology for an optimum of high clock frequency and low phase noise performance, combined with a low power consumption and high power supply noise rejection.
Using a 25MHz parallel resonant crystal, the following frequencies can be generated: 156.
25MHz and 125MHz.
With a very low phase noise VCO it is targeted to achieve 0.
4ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements.
The 843N...


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