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20433A


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：	Analog Devices
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High Frequency Ultra Performance

MEMS Oscillator

Page 1 of 5

CMC204-SERIES

RALTRON ELECTRONICS  10400 N.W . 33

St  Miami, Florida 33172  U.S.A.

phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: sales@raltron.com  internet: http://www.raltron.com

■ Ultra low phase jitter: 0.5ps ( 12kHz to 20MHz )

■ LVCMOS/ LVTTL compatible output

■ SMD package 2.0 x 1.6 mm

PARAMETER

SYMBOL

CONDITION

VALUE

UNIT

Min.

Typ.

Max.

Frequency Range

Any Frequency between Frequency

range, accurate to

6 decimal places

220

MHz

Supply Voltage

Supply voltages between 2.5V and

3.3V can be supported in increments

of 0.1V

1.71

2.25

2.52

2.97

1.8

2.5

2.8

3.3

1.89

2.75

3.08

3.63

Supply Current

Vs = 1.8V, f

=100MHz, no load

Vs = 2.5V,2.8V and 3.3V f

=100MHz,

no load

Operating Temperature

Extended Commercial

Industrial

-20

-40

+70

+85

C

°C

Frequency Stability

Δf/f

Including First Year aging, initial

frequency tolerance at 25°C,

Frequency stability over temperature

range, supply variation, load variation

-10

-20

-25

-50

+10

+20

+25

+50

ppm

Long term stability, aging

Δf/Δt

First year

10 years

-1.5

-5.0

1.5

5.0

ppm

Enable / Disable Time

T E/D

=220MHz, for other frequencies,

T E/D =100ns+ 3 cycles

115

Enable / Disable Current

E/D

Vs=1.8V, E/D =GND, output is

weakly pulled down

Vs=2.5V,2.8Vor 3.3V, E/D =GND

output is weakly pulled down

Standby Current

Istby

STBY=GND,Vs=1.8V

STBY=GND,Vs=2.5V,2.8V or 3.3V

Output is weakly pulled down





Startup Time

T ST

Measured from the time Vs reaches

its rated maximum value

Resume Time

T res

Measured from the time STBY pin

crosses 50% threshold

Rise/ Fall Time

Tr / Tf

CL = 15pF, 10% - 90% Vs

1.5

2.0

RMS Phase Jitter

J PH

=156.25MHz,BW 12KHz to 20MHz

0.6

1.0

RMS Period Jitter

J P

=156.25MHz,Vs=2.5V,2.8V or 3.3V

=156.25MHz,Vs=1.8V

1.5

2.0

3.0

Input Voltage High

VIH

Pin 1, E/D or STBY

70%

Input Voltage Low

VIL

Pin 1, E/D or STBY

30%

Input pull-up impedance

Z in

100

250

kΩ

ELECTRICAL SPECIFICATIONS

High Frequency Ultra Performance

MEMS Oscillator

Page 2 of 5

CMC204-SERIES

RALTRON ELECTRONICS  10400 N.W . 33

St  Miami, Florida 33172  U.S.A.

phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: sales@raltron.com  internet: http://www.raltron.com

LVCMOS

PARAMETER

SYMBOL

CONDITION

VALUE

Min

Typ.

Max

UNIT

Output Levels

= -3 mA ( Vs=1.8V )

= -6 mA ( Vs= 2.5V, 2.8V or 3.3V )

0.9 Vs

=3 mA ( Vs=1.8V )

=6 mA ( Vs= 2.5V, 2.8V or 3.3V )

0.1Vs

Duty Cycle

≤165MHz, all Vs

≥165MHz, all Vs

Output Load

Ta=25 °C

OUTPUT CHARACTERISTICS

High Frequency Ultra Performance

MEMS Oscillator

Page 3 of 5

CMC204-SERIES

RALTRON ELECTRONICS  10400 N.W . 33

St  Miami, Florida 33172  U.S.A.

phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: sales@raltron.com  internet: http://www.raltron.com



Note: *A pull-up resistor of <10kΩ between ED/STBY pin and Vs is recommended in high noise environment.

BOTTOM VIEW

RECONMENDED LAND PATTERN

SYMBOL

FUNCTION

E/D/STBY

E/D H or Open* :Enable output frequency

L :Disable output frequency , high impedance

STBY H or Open* : Enable output frequency

L : Output is low ( weak pull down) Device goes to sleep

mode. Supply current ( Is ) reduces to Istby

GND

Electrical Ground

OUTPUT

Output Signal

Supply Voltage

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Analog Devices

20433A

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