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843N252-45 - LVPECL Frequency Synthesizer

Renesas

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Datasheet Details

Part number	843N252-45
Manufacturer	Renesas
File Size	483.65 KB
Description	LVPECL Frequency Synthesizer
Datasheet	843N252-45-Renesas.pdf

843N252-45 Product details

Description

The 843N252-45 is a 1 LVPECL and 1 LVCMOS output Synthesizer optimized to generate Ethernet reference clock frequencies.

Features

Fourth generation FemtoClock® Next Generation (NG) technology.
One differential 3.3V LVPECL output and one LVCMOS/LVTTL output.
Crystal oscillator interface designed for a 25MHz parallel resonant crystal.
A 25MHz crystal generates output frequencies of: 156.25MHz and 125MHz.
VCO frequency: 625MHz.
RMS Phase Jitter @ 156.25MHz, (12kHz.
20MHz) using a 25MHz crystal: 0.33ps (typical).
RMS Phase Jitter @ 125MHz, (12kHz.

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Published: Jul 22, 2023 |