M685 Datasheet PDF - Integrated Circuit Systems DUAL SAW / SELECTABLE FREQUENCY VCSO Specs

M685 - DUAL SAW / SELECTABLE FREQUENCY VCSO

Datasheet Summary

Description

The M685 is a dual SAW, selectable frequency VCSO frequency source for low-jitter clock generation.

An integrated SAW (surface acoustic wave) delay line implements the high-Q VCO (voltage controlled oscillator) function, which results in low output phase noise and very low jitter.

Features

Two integrated SAW devices and selectable output frequency; supports multi-rate optical interfaces.
M685-01 output frequencies from 125 to 175 MHz M685-02 output frequencies from 500 to 700 MHz (Specify center frequencies at time of order).
Industry-standard Kvco for full compatibility.
Low phase jitter 0.2ps rms typical for the M685-02 (50kHz to 80MHz).
Differential 3.3V LVPECL output.
Single 3.3V power supply.
Small 5 x 7.5mm SMT (surface mount) package Tab.

Datasheet Details

Part number	M685
Manufacturer	Integrated Circuit Systems
File Size	281.89 KB
Description	DUAL SAW / SELECTABLE FREQUENCY VCSO
Datasheet	M685 Datasheet
Additional preview pages of the M685 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. Preliminary Information M685 nFOUT DUAL SAW, SELECTABLE FREQUENCY VCSO PIN ASSIGNMENT (5 x 7.5mm SMT) FOUT VCC GENERAL DESCRIPTION The M685 is a dual SAW, selectable frequency VCSO frequency source for low-jitter clock generation. An integrated SAW (surface acoustic wave) delay line implements the high-Q VCO (voltage controlled oscillator) function, which results in low output phase noise and very low jitter. The M685-01 is available in a range of center frequencies from 125 to 175 MHz. The M685-02 provides 500 to 700 MHz. Guaranteed minimum pull-range of ±120 ppm meets GbE requirements. (It also fully satisfies ±50 ppm minimum pull-range specification commonly required.) Industrystandard Kvco (VCO Gain) provides full replacement compatibility.

Published: Apr 26, 2005 |