CLOCK
OSCILLATORS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
CXO-M, -3M SMD CLOCK OSCILLATORS
ISSUE 7; 1 NOVEMBER 2008
Description
Statek manufactured surface mount oscillator in a ceramic
▪
package with a hermetically sealed metal lid
Package Outline
6.5 x 5mm
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Terminations
SM1 - Gold over Nickel
▪ - RoHS 2002/95/EC
SM3 - Pb solder dipped
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SM5 - Pb free solder dipped
▪ - RoHS 2002/95/EC
Output Compatibility & Load
Tri-state/non tri-state CMOS
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Drive Capability: 15pF max
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Frequency Stabilities
Please see Electrical Specication table overleaf
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Operating Temperature Ranges
C = –10 to 70°C
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I = –40 to 85°C
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M = –55 to 125°C
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Storage Temperature Range
–55 to 125°C
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Tri-state Operation
Pad 1 normally high (internal pull-up resistor)
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Tri-state type
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Pad 1 logic ‘0’, pad 3 high impedance
Pad 1 logic ‘1’, pad 3 output
Enable type (internal oscillator stops, low current)
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Pad 1 logic ‘0’, pad 3 high impedance
Pad 1 logic ‘1’, pad 3 output
Supply Voltage
3.3V - CXO-3M
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5.0V - CXO-M
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Ageing
±10ppm max in 1st year
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Environmental Specication
Shock: 3000g peak, 0.3ms, 1/2 sine
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Vibration: MIL-STD-202G, Method 204D, Condition D 20g,
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10-2000Hz swept sine
Marking Includes
Frequency + Date Code + Pad 1 indicator
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Packaging
Tray or Tape and Reel
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Minimum Order Information Required
Frequency + Model Number + Load + Enable + Termination
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+ Frequency Tolerance @ 25°C + Frequency Stability Over
Operating Temperature Range + Operating Range
Outline (mm)
1.52
1.4
1.6 max 5.0
6.5
Pad Connections
1. Enable/Disable or N/C
2. GND
3. Output
4. +Vs
1.4
Please note: Pad 1 = No connection on non tri-state model
12
3
4
1.78
Solder pad layout
5.11
1.65 1.65
1.78
3.48
Output Waveform
tr
tf
tT
90%Vs
10%Vs
50%Vs
0V
+Vs
2.4V
0.4V
Duty cycle = t x 100(%)
T
1.4V
CLOCK
OSCILLATORS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Electrical Specications - maximum limiting values
Frequency Range Frequency Tolerance Supply Voltage Supply Current Rise Time (tr) Fall Time (tf) Duty Cycle Model Number
300kHz to 120MHz A ±100ppm
B ±1000ppm
C ± 10000ppm
5.0V 4mA @ 10MHz
8mA @ 24MHz
10mA @ 30MHz
12mA @ 40MHz
14mA @ 50MHz
6ns 6ns 40/60% CXO-M
300kHz to 170MHz 3.3V 2mA @ 10MHz
4mA @ 24MHz
6mA @ 30MHz
8mA @ 40MHz
10mA @ 50MHz
CXO-3M
Ordering Example 50.0MHz CXO-M T SM1 A 50 C
Frequency
Model No. (CXO–M =5V, CXO –3M =3.3V)
Enable = E, T = Tri –State, N = Non Tri –State
Termination SM1, SM3,SM5
Frequency Tolerance @ 25°C
Frequency Stability Over Temperature Range
Operating Temperature Range: C = –10 to 70°C; I = –40 to 85°C; M = –55 to 125°C
Please note that the rise and fall times listed are the maximum values we specify to cover various frequency breaks. In practice the actual values are generally
lower depending upon the spot frequency chosen. For typical values please contact our sales office
Tape (mm)
Ø13±0.5
40°
120°
2±0.5
Ø80±2.0
Ø180±0.5
20.2±1
16.4
Reel (mm)
4.0±0.1
6.9
5.4
8.0
Ø1.5min. Ø1.5 min
1.75
7.5
16.0
