EX-245-CAC-308FS-12.8000MHZ datasheet, PDF

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EX-245-CAC-308FS-12.8000MHZ: DescriptionCMOS Output Clock Oscillator, 12.8MHz Nom, MINIATURE PACKAGE-16; CategoryPassive components oscillator; File Size303KB，2 Pages; ManufacturerVectron International, Inc.; Websitehttp://www.vectron.com/

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EX-245-CAC-308FS-12.8000MHZ Overview

CMOS Output Clock Oscillator, 12.8MHz Nom, MINIATURE PACKAGE-16

EX-245-CAC-308FS-12.8000MHZ Parametric

Parameter Name	Attribute value
Maker	Vectron International, Inc.
package instruction	MINIATURE PACKAGE-16
Reach Compliance Code	compliant
Ageing	0.002 PPM/DAY
Frequency Adjustment - Mechanical	NO
frequency stability	0.03%
Frequency Stability - Voltage	0.01 ppm
input power	0.7 W
Manufacturer's serial number	EX-245
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	12.8 MHz
Maximum operating temperature	70 °C
Minimum operating temperature
Oscillator type	CMOS
Output load	15 pF
Oven power supply voltage	5V
physical size	26.16mm x 23.62mm x 8.89mm
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	NO
Preheating power	2 W
Maximum warm-up time	3 Minute

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EX-245 Evacuated Miniature Oven Controlled Crystal Oscillator

EMXO

EX-245 Series

Hi-Reliability Evacuated Miniature Crystal Oscillator

EMXO

Features

•

Radiation Tolerant to > 100krad (SI) total dose

Low power consumption: <0.7W @ 25

C, <1.1W @-40

Low profile package: 0.93”(W) x 1.03” (L) x 0.35” (H)

Fast warm-up: 3 minutes @ 25

Frequencies:10 to 20MHz

Screen to Class S* per Mil-PRF-55310

Patented Technique**

Applications

•

Note:

Reference clock for space application

Military airborne and Mobile system

* Limit upper temperature to 85

C and Constant Acceleration to 1000Gs

* Fine Leak test is not applicable due to the package seal under vacuum

** U.S. Patent 5,917,272

Performance Characteristics

Parameters

Frequency

Supply Voltage

Power Consumption

Warm-up Time @ 25

Temperature

Options

Conditions

units

MHz

Sec

nSec

Volt

dBm

dBc

ppb

ppb/day

ppb/year

ppb/10year

dBc/Hz

ppm

Vdc

Minimum

4.75

Typical

5.0

Maximum

5.25

0.70

1.10

120

180

+85

0.1Vdd

-25

-60

+/-30

+/-50

+/-100

+/-10

200

1000

1500

2000

2 x 10

-10

-100

-130

-140

-145

-150

+1.0

4.2

1 x 10

-9

CMOS Output

Sine Output

Stability

C-308

D-508

F-107

Aging

Allan Deviation

Phase Noise

EFC (0V to 4V)

Fixed Frequency

Vref

G-Sensitivity

Turn-on Power for 2 minutes @ 25

Steady State @ 25

Steady State @ -40

<1 x 10

-6

<1 x 10

-7

Operating

Storage

Duty Cycle

Rise/Fall Time (10% to 90% Vdd) with15pF Load

Logic Level “0”

Logic Level “1”

Sine into 50Ohms Load

Harmonics

Spurious

C to +70

C Reference to Frequency @ 25

-20

C to +70

C Reference to Frequency @ 25

-40

C to +85

C Reference to Frequency @ 25

+/-5% of Supply Voltage

+/-5% of Load Change

After 7 days of operation

Year

10 to <12MHz

12 to <16MHz

16 to 20MHz

Tau = 1 second

@ 10Hz

@ 100Hz

@ 1kHz

@ 10kHz

@ 100kHz

Reference to nominal frequency

Initial Accuracy reference to nominal frequency

Source Current 1mA maximum

Test at 10g sine vibration at 100Hz

-40

-55

0.9Vdd

0.0

3.0

1.5

4.5

Sufficient to compensate 10 years aging

-1.0

4.0

4.1

Vectron International - 267 Lowell Road, Hudson, NH 03051 - Tel: 1-88-VECTRON-1 - Web:

www.vectron.com

-1-

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