All specifications are subject to change without notice.

FRETHE025

Rev B

07/12/12

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3.3V CMOS 25.000 MHz Ethernet VCXO

Application Specific Voltage Controlled

Crystal Oscillator 7.0 x 5.0mm

FRETHE025

ASSP VCXO

Output Enable / Disable Function

Parameter

Min.

Typ.

Max.

Units

Notes

Input Voltage (pin 2), Output Enable

3.0

V

or open

Input Voltage (pin 2), Output Disable (low power standby)

0.3

V

Output is Hi-Z

Internal Pullup Resistance

20

kΩ

Output Disable Delay

100

ns

Output Enable Delay

100

ns

Electrical Performance

Parameter

Min.

Typ.

Max.

Units

Notes

Output Frequency

25.000

MHz

3.135

3.3

3.465

V

Supply Current, Output Enabled

10

mA

Supply Current, Output Disabled

2

mA

Frequency Stability

±25

ppm

See Note 1 below

Operating Temperature Range

-20

+70

°C

V

V

Output Load

15

pF

Duty Cycle

45

55

%

Rise and Fall Time

4

ns

Measured 20/80% of waveform

Jitter, Phase, RMS(1-s)

1

ps

12kHz~20MHz Frequency Band

Jitter, Peak to Peak (Pk-Pk)

50

ps

100.000 Random Periods

Notes:

1.

Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),

aging (10 years at +40°C average effective ambient temperature), shock and vibration.

2. Forspecificationsotherethanthoselisted,pleasecontactsales.

Absolute Maximum Ratings

Parameter

Min.

Typ.

Max.

Units

Notes

Storage Temperature

-55

+125

°C

For the latest product information visit:

http://www.pericom.com/products/crystals-and-crystal-oscillators/assp-xo/?part=FRETHE025

For test circuit go to:

http://www.pericom.com/pdf/sre/tc_vc6cmos.pdf

For soldering reflow profile and reliability test ratings go to:

http://www.pericom.com/pdf/sre/reflow.pdf

For tape and reel information go to:

http://www.pericom.com/pdf/sre/tr_7050_xo.pdf

2

Voltage Control Function

Parameter

Min.

Typ.

Max.

Units

Notes

Absolute Pull Range (APR)

±100

ppm

See 1 below

Control Voltage Range

0.3

3.0

V

As rated

Center Control Voltage

1.65

V

For RMT Nominal Frequency

Monotonic Linearity

10

%

Positive Transfer Slope

Input Impedance

5000

kΩ

Control Voltage Pin

Notes:

1.

APR is relative to the nominal output frequency; APR is inclusive of frequency deviation due to stability.

12-0050