IQMS-145

MEMS Oscillator Specification

ISSUE 1; March 2016

Outline (mm)

Description

Low jitter high frequency differential MEMS oscillator with

LVPECL output in a plastic package. Factory programmable

for a short lead time. Uses SiTime’s MEMS First™ technology.

APPLICATIONS:

10GB Ethernet

SONET

SATA

SAS

Fibre Channel

PCI-Express

Telecom

Networking

Instrumentation

Storage

Servers

This specification provides guidance on the performance of

3.3V devices in a 3.2 x 2.5mm package. Other supply voltage

options are available at 2.5V. Other package size options are

available as 5.0 x 3.2mm or 7.0 x 5.0mm.

Frequency Parameters

Frequency

220.0MHz to 625.0MHz

Frequency Stability

±10.00ppm to ±50.00ppm

±2ppm max in 1st year, ±5ppm

max over 10yrs

Ageing (@ 25°C)

Frequency Stability: Inclusive of frequency tolerance @ 25°C,

operating temperature range, supply voltage variation and load

variation.

Electrical Parameters

3.3V ±10%

Supply Voltage

Absolute Maximum Supply Voltage Rating: -0.5 to 4.0V

Note: Operating beyond these limits may result in change or

permanent damage to the oscillator.

Supply Current (excluding Load Termination Current): 61mA

typ, 69mA max

Maximum Output Current (maximum average current drawn

from OUT+ or OUT-): 30mA max

Operating Temperature Ranges

-20 to 70°C

-40 to 85°C

Output Details

Output Compatability

LVPECL

Drive Capability

50Ω to Vs-2.0V

Output Voltage Levels:

Output Low (VoL): Vs-1.9V to Vs-1.5V

Output High (VoH): Vs-1.1V to Vs-0.7V

Output Differential Voltage Swing: 1.2V min, 1.6V typ, 2.0V

max

Printed on 31 Aug 16 16:04 using Model Data Sheet V1.2550

Page 1 of 3

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Email: info@iqdfrequencyproducts.com

Web: www.iqdfrequencyproducts.com