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OS-68338 Datasheet(PDF) 19 Page - Vectron International, Inc

Part No. OS-68338
Description  Oscillator Specification, Hybrid Clock
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Maker  VECTRON [Vectron International, Inc]
Homepage  http://www.vectron.com
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OS-68338 Datasheet(HTML) 19 Page - Vectron International, Inc

 
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SIZE
CODE IDENT NO.
UNSPECIFIED TOLERANCES
DWG NO.
REV.
SHEET
A
00136
N/A
OS-68338
K
19
APPENDIX A
4 Pad 5 x 7mm ACMOS Hybrid, Model Number 1118 Series
A.1 Scope. The Model 1118 Series uses a fundamentally different design approach versus
the other models offered by the OS-68338 Specification. Some of that text does not fit
this design, so for that reason the Model 1118 Series is specified here in Appendix A.
Where not superseded by this Appendix the original text still applies.
A.2 Design. The Model 1118 Series uses an AT-strip crystal mounted at two adjacent
points. Due to the crystal’s smaller mass this 2-point design has proven its ruggedness
by passing the same environmental qualification exposures of the other OS-68338
Models (¶ 3.4.1.2).
Frequency Range Operation: 0.7 MHz to 54 MHz
Temperature Range: -55°C to +125°C
Frequency Tolerance, Initial Accuracy @ +23°C: ±15 ppm max.
Frequency-Temperature Stability from +23°C ref.: ±75 ppm max.
Frequency-Voltage Tolerance: ±4 ppm max. (Vcc ±10%)
Frequency Aging: ±1 ppm 1
st 30 days, ±5 ppm max. Year 1, ±2 ppm max. Year 2+
Start-up Time: 10.0 ms max.
Frequency
Range
(MHz)
Current (mA)
(max. no load)
5.5V
| 3.63V
Rise / Fall
Times
(ns max.)
Duty Cycle
(%)
0.7 - 4.0
10
6
6
45 to 55
4.0 – 12.0
15
8
5
45 to 55
>12.0 – 24.0
15
10
5
45 to 55
>24.0 – 40.0
20
15
5
40 to 60
>40.0 – 54.0
35
20
5
40 to 60
2/. Waveform measurement points and logic limits are in accordance with MIL-PRF-55310.
TABLE 2A - Electrical Performance Characteristics, Model 1118 Series
A.3 Marking. Device marking, due to size, will be limited to the Vectron logo (VI), date
code, Pin 1 / ESD ID and the fully traceable Work Order – unique serial number
combination, i.e. 370002-20. Individual device packaging will include the full part
number.


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