CMC20428AU1S-80.000MHZ datasheet, PDF

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CMC20428AU1S-80.000MHZ: DescriptionLVCMOS Output Clock Oscillator; CategoryPassive components oscillator; File Size702KB，5 Pages; ManufacturerRaltron; Websitehttp://www.raltron.com/; Environmental Compliance

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CMC20428AU1S-80.000MHZ Overview

LVCMOS Output Clock Oscillator

CMC20428AU1S-80.000MHZ Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Raltron
Reach Compliance Code	unknown
Other features	STANDBY; ENABLE/DISABLE FUNCTION; ALSO COMPATIBLE WITH LVTTL OUTPUT
maximum descent time	2 ns
Frequency Adjustment - Mechanical	NO
frequency stability	10%
Installation features	SURFACE MOUNT
Nominal operating frequency	80 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	LVCMOS
Output load	15 pF
physical size	2.0mm x 1.6mm x 0.75mm
longest rise time	2 ns
Maximum supply voltage	3.08 V
Minimum supply voltage	2.52 V
Nominal supply voltage	2.8 V
surface mount	YES
maximum symmetry	55/45 %

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High Frequency Ultra Performance

MEMS Oscillator

Page 1 of 5

CMC204-SERIES

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

■ LVCMOS/ LVTTL compatible output

■ SMD package 2.0 x 1.6 mm

ELECTRICAL SPECIFICATIONS

PARAMETER

SYMBOL

CONDITION

Min.

VALUE

Typ.

Max.

220

1.8

2.5

2.8

3.3

1.89

2.75

3.08

3.63

UNIT

Frequency Range

Any Frequency between Frequency

range, accurate to

6 decimal places

Supply voltages between 2.5V and

3.3V can be supported in increments

of 0.1V

Vs = 1.8V,

=100MHz, no load

1.71

2.25

2.52

2.97

MHz

Supply Voltage

Supply Current

Vs = 2.5V,2.8V and 3.3V

=100MHz,

no load

Extended Commercial

Industrial

Including First Year aging, initial

frequency tolerance at 25°C,

Frequency stability over temperature

range, supply variation, load variation

First year

10 years

-20

-40

-10

-20

-25

-50

-1.5

-5.0

+70

+85

+10

+20

+25

+50

1.5

5.0

115



ppm

C

°C

ppm

Operating Temperature

Frequency Stability

Δf/f

Δf/Δt

E/D

Long term stability, aging

Enable / Disable Time

=220MHz, for other frequencies,

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

STBY=GND,Vs=1.8V

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

Output is weakly pulled down

Measured from the time Vs reaches

its rated maximum value

Measured from the time STBY pin

crosses 50% threshold



Enable / Disable Current

E/D

Standby Current

Startup Time

Resume Time

Rise/ Fall Time

RMS Phase Jitter

RMS Period Jitter

Input Voltage High

Input Voltage Low

Input pull-up impedance

Istby

T res

Tr / Tf

= 15pF, 10% - 90% Vs

1.5

0.6

1.5

2.0

70%

2.0

1.0

2.0

3.0

=156.25MHz,BW 12KHz to 20MHz

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

=156.25MHz,Vs=1.8V

Pin 1, E/D or STBY

30%

100

250

kΩ

RALTRON ELECTRONICS



10400 N.W . 33



Miam i, 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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