Surface Mount Oscillator

ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK

Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk

Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to

discontinue any product or make design changes we believe necessary.

Issue 1

§ Wide Frequency Range

§ Miniature Ceramic Package

§ SMD Tri-state Oscillator

§ Industrial Temperature Range Available

ECM VF3 Series

Parameter

VF3

Frequency Range

1.8Mhz to 125.0MHz

Frequency

Stability

+/-20, +/-25,+/-50ppm to50MHz

100ppm over 70MHz

Specify

Supply Voltage

3.3V

Supply Current

10mA to 25.0MHz

15mA to 50.0MHz

18mA to 67.0MHz

28mA to 125.0Mhz

15pf Load

Load

10LS-TTL or 15pF

Duty Cycle

45/55 to 50.0MHz

40/60 over 50.0Mhz

Rise & Fall Times

10nS max

5ns Typ

Logic “1” Level

0.9Vcc min

Logic “0” Level

0.1Vcc max

Enable Input

Disable Input

Input High (>2.5V) or floating ACTIVE

Input LOW (<0.5V) INFINITE IMPEDENCE

Start-up Time

10mS max

3mS Typ

Enable Disable

Time

100nS

Operating Temp

-10

Environmental & Mechanical

Mechanical

Shock

Mil STD 202 Method 213

Cond E

Thermal

Shock

Mil STD 883 Method 1011

Cond A

Vibration

MIL-STD-883 Method 2007

Cond A

Soldering

Condition

260

230

Hermetic

Seal

Leak rate less than 5x10

-8

Atm.cc/s of helium

Pin

1

2

3

4

Function

Tristate

GND

O/P

Vcc

A

B

C

D

E

F

G

H

7.50

5.00

2.00

1.39

5.07

1.39

3.98

1.39

Part Numbering: VF3

B

H

1

125.00M

Series

Stability

S= 20ppm A= 25ppm

B= 50ppm Blank = 100ppm

Symmetry

H= 45/55 Blank= 40/60

Temperature Range

Blank= 0

1= -40

Frequency

Dimensions in mm