CMC20428DU15PFS datasheet(1/5 Pages) RALTRON

Part #	CMC20428DU15PFS

Description	Ultra low phase jitter: 0.5ps

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Manufacturer	RALTRON [Raltron Electronics Corporation]

Direct Link	http://www.raltron.com

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High Frequency Ultra Performance

MEMS Oscillator

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CMC204-SERIES

R A L T R O N E L E C T R O N I C S

 1 0 4 0 0 N .W . 3 3 rd S t  M i a m i , F l o r i d a 3 3 1 7 2  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

f0

Any Frequency between Frequency

range, accurate to

6 decimal places

80

220

MHz

Supply Voltage

Vs

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

V

Supply Current

Is

Vs = 1.8V,

f0=100MHz, no load

Vs = 2.5V,2.8V and 3.3V

f0=100MHz,

no load

30

34

33

36

mA

Operating Temperature

Ta

Extended Commercial

Industrial

-20

-40

+70

+85

C

°C

Frequency Stability

Δf/f0

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/Δty

First year

10 years

-1.5

-5.0

1.5

5.0

ppm

Enable / Disable Time

T E/D

f0=220MHz, for other frequencies,

T E/D =100ns+ 3 cycles

115

ms

Enable / Disable Current

I 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

30

31

mA

Standby Current

Istby

STBY=GND,Vs=1.8V

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

Output is weakly pulled down

10

70





Startup Time

T ST

Measured from the time Vs reaches

its rated maximum value

6

10

ms

Resume Time

T res

Measured from the time STBY pin

crosses 50% threshold

10

ms

Rise/ Fall Time

Tr / Tf

CL

= 15pF, 10% - 90% Vs

1.5

2.0

ns

RMS Phase Jitter

J PH

f0=156.25MHz,BW 12KHz to 20MHz

0.6

1.0

ps

RMS Period Jitter

J P

f0=156.25MHz,Vs=2.5V,2.8V or 3.3V

f0=156.25MHz,Vs=1.8V

1.5

2.0

3.0

ps

Input Voltage High

VIH

Pin 1, E/D or STBY

70%

Vs

Input Voltage Low

VIL

Pin 1, E/D or STBY

30%

Vs

Input pull-up impedance

Z in

100

250

kΩ

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