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CMC25228CU1E-48.000MHZ

Description
LVCMOS Output Clock Oscillator
CategoryPassive components    oscillator   
File Size726KB,6 Pages
ManufacturerRaltron
Websitehttp://www.raltron.com/
Environmental Compliance
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CMC25228CU1E-48.000MHZ Overview

LVCMOS Output Clock Oscillator

CMC25228CU1E-48.000MHZ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid7102837789
package instructionSMD, 4 PIN
Reach Compliance Codeunknown
Other featuresENABLE/DISABLE FUNCTION; ALSO COMPATIBLE WITH HCMOS OUTPUT
Frequency Adjustment - MechanicalNO
frequency stability50%
Installation featuresSURFACE MOUNT
Number of terminals4
Nominal operating frequency48 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Oscillator typeLVCMOS
Output load15 pF
physical size2.5mm x 2.0mm x 0.75mm
Maximum supply voltage2.94 V
Minimum supply voltage2.66 V
Nominal supply voltage2.8 V
surface mountYES
maximum symmetry55/45 %
MEMS Standard
Frequency Oscillator
Page 1 of 6
CMC252-SERIES
■ Low Power Consumption of 3.5mA typical at 1.8V
■ 52 Standard frequencies between 3.57MHz and 77.760 MHz
■ HCMOS/ LVCMOS compatible output
■ SMD package 2.5 x 2.0 mm
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
Min.
VALUE
Typ.
Max.
77.760
3.3
3.5
3.7
3.8
3.8
-20
-40
4.1
4.2
4.5
4.5
+70
+85
+20
+25
+50
UNIT
Frequency Range
Supply Voltage
f
0
Vs
52 standard frequencies between
3.57MHz and 77.760MHz
Vs ±5%
Vs = 1.8V,
f
0
=20MHz, no load
Vs = 2.5V,
f
0
=20MHz, no load
Vs = 2.8V,
f
0
=20MHz, no load
Vs = 3.3V,
f
0
=20MHz, no load
3.57
1.8
MHz
V
mA
mA
mA
mA
C
°C
ppm
ppm
ppm
V
Supply Current
Is
Operating Temperature
T
a
Including First Year aging, initial
frequency tolerance at 25°C,
Frequency stability over
temperature range, supply variation,
load variation
Enable = Open or“1”(V
IH
≥0.75Vs)
( output signal active )
Disable = GND or “0”(V
IL
<0.25Vs )
( output high impedance, oscillator
operates )
Standby = GND or “0” V
IL
<0.25Vs )
( output weakly pulled down,
oscillator sleep mode )
Frequency Stability
Δf/f
0
-20
-25
-50
0.75Vs
0.25Vs
V
Enable / Disable/ Standby Function
E/D/St
0.25Vs
V
Enable / Disable Time
T
E/D
f
0
=110MHz
Vs=1.8V, E/D =GND
Vs=2.5V to 3.3V, E/D =GND
Output in high impedance state
STBY=GND,Vs=1.8V
STBY=GND,Vs=2.5V
STBY=GND,Vs=2.8V to 3.3V
Output is weakly pulled down
0.2
1.1
2.1
1.3
2.5
4.3
130
4.0
4.2
ms
mA
mA



Enable / Disable Current
I
E/D
Standby Current
Istby
Startup Time
RMS Phase Jitter
RMS Period Jitter
Peak to Peak Period Jitter
T
ST
J
PH
J
P
J
PK-PK
5
ms
ps
ps
ps
ps
ps
f
0
=75MHz,BW 900KHz to 7.5MHz
f
0
=75MHz,BW 12KHz to 20MHz
f
0
=75MHz
f
0
=75MHz,Vs=2.5 to 3.3V
f
0
=75MHz, Vs=1.8V
0.5
1.3
1.8
12
14
0.9
2.0
3
25
30
RALTRON ELECTRONICS
10400 N.W . 33
rd
St
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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