Datasheet > CMC253

CMC253

更新时间： 2024-11-20 23:58:11

品牌	Logo	应用领域
纬创 - RALTRON		/
页数	文件大小	规格书
6页	735K
描述
Ultra low phase jitter: 0.5ps

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数据手册

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CMC253 数据手册

Ultra Performance

MEMS Oscillator

Page 1 of 6

CMC253-SERIES

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

■ LVCMOS/ LVTTL compatible output

■ SMD package 2.5 x 2.0 mm

ELECTRICAL SPECIFICATIONS

PARAMETER

SYMBOL

CONDITION

VALUE

UNIT

Min.

Typ.

Max.

Any Frequency between Frequency

range, accurate to

Frequency Range

Supply Voltage

MHz

f₀

6 decimal places

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 voltages between 2.5V and

3.3V can be supported in increments

of 0.1V

Vs = 1.8V, f₀=20MHz, no load

condition

Supply Current

Vs = 2.5V,2.8V and 3.3V f₀=20MHz,

no load condition

Extended Commercial

Industrial

-20

-40

+70

+85

C

°C

Operating Temperature

Frequency Stability

T_a

-10

-20

-25

-50

+10

+20

+25

+50

ppm

Including First Year aging, initial

frequency tolerance at 25°C,

Frequency stability over temperature

range, supply variation, load variation

Δf/f₀

Δf/Δt_y

First year

10 years

-1.5

-5.0

1.5

5.0

ppm

Long term stability, aging

Enable / Disable Time

f₀=80MHz, for other frequencies,

T E/D

150

T E/D =100ns+ 3 cycles

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

Enable / Disable Current

Standby Current

I _E/D



STBY=GND,Vs=1.8V

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

Output is weakly pulled down

Istby



Measured from the time Vs reaches

its rated minimum value

Startup Time

Resume Time

T ST

Measured from the time STBY pin

crosses 50% threshold

T res

Rise/ Fall Time

Tr / Tf

J PH

1.5

0.5

2.0

1.0

CL = 15pF, 10% - 90% Vs

RMS Phase Jitter

f₀=10MHz,BW 12KHz to 20MHz

f₀=75 MHz,Vs=2.5V,2.8V or 3.3V

f₀=75 MHz, Vs=1.8V

1.5

2.0

3.0

RMS Period Jitter

J P

Input Voltage High

Input Voltage Low

VIH

VIL

Pin 1, E/D or STBY

70%

Pin 1, E/D or STBY

30%

250

Pin 1 E/D High or Low, STBY= High

STBY = Low

100

kΩ

MΩ

Input pull-up impedance

Z in

RALTRON ELECTRONICS . 10400 N.W. 33^{r d}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

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