All specifications are subject to change without notice.

FNEPON125 Rev C

04/09/10

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10-0020

3.3V CMOS Low-Jitter 125MHz EPON XO

Application Specific Crystal Oscillator 7.0 x 5.0mm

FNEPON125

TM

Product Features

• Very low phase jitter - 0.5ps RMS

• Thicker crystal for improved reliability

• Low output current - 20mA max.

• Low power stand by mode

• Industrial Temperature Range

• Pb-free & RoHS compliant

Product Description

This is an enhanced high-frequency

3.3V, 125MHz crystal clock oscillator with

superb jitter and low operating current for

Ethernet Passive Optical Network (EPON)

applications.

The output clock signal, generated internally

with a patented oscillator design, is

compatible with LVCMOS logic levels.

Applications

• EPON Optical Network Unit (ONU)

• EPON Optical Line Termination (OLT)

• EPON Gateway

Package:

Pin Functions:

Pin

Function

1

OE Function

2

Ground

3

Clock Output

4

Recommended Land Pattern:

7.0 x 5.0mm Ceramic SMD

Part Ordering Information:

FNEPON125

*Extended high frequency power decoupling is recommended (see test circuit for minimum

recommendation). To ensure optimal performance, do not route RF traces beneath the

package.

ASSP XO™ for Networking

1