841608 - Crystal-to-HCSL Clock Generator

Datasheet Summary

Description

The 841608 is an optimized PCIe and sRIO clock generator.

The device uses a 25MHz parallel crystal to generate 100MHz and 125MHz clock signals, replacing solutions requiring multiple oscillator and fanout buffer solutions.

Features

Eight HCSL outputs: configurable for PCIe (100MHz) and sRIO (125MHz) clock signals.
Selectable crystal oscillator interface, 25MHz, 18pF parallel resonant crystal or LVCMOS/LVTTL single-ended reference clock input.
Supports the following output frequencies: 100MHz or 125MHz.
VCO: 500MHz.
PLL bypass and output enable.
PCI Express (2.5 Gb/S) and Gen 2 (5 Gb/s) jitter compliant.
RMS phase jitter at 125MHz, using a 25MHz crystal (1.875M.

Renesas

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Datasheet Details

Part number	841608
Manufacturer	Renesas
File Size	1.27 MB
Description	Crystal-to-HCSL Clock Generator
Datasheet	841608 Datasheet
Additional preview pages of the 841608 datasheet.

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Full PDF Text Transcription

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FemtoClock® Crystal-to-HCSL Clock Generator 841608 Datasheet General Description The 841608 is an optimized PCIe and sRIO clock generator. The device uses a 25MHz parallel crystal to generate 100MHz and 125MHz clock signals, replacing solutions requiring multiple oscillator and fanout buffer solutions. The device has excellent phase jitter (< 1ps rms) suitable to clock components requiring precise and low-jitter PCIe or sRIO or both clock signals. Designed for telecom, networking and industrial applications, the 841608 can also drive the high-speed sRIO and PCIe SerDes clock inputs of communication processors, DSPs, switches and bridges.

Published: May 19, 2020 |