INCH-POUND
MIL-PRF-55310/14H
11 June 2009
SUPERSEDING
MIL-PRF-55310/14G
7 October 2004
PERFORMANCE SPECIFICATION SHEET
OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)),
0.1 Hz THROUGH 25 MHz, HERMETIC SEAL, SQUARE WAVE, TTL
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein
shall consist of this specification sheet and
MIL-PRF-55310.
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
NC
NC
NC
B+
OUTPUT
NC
B- (GND/CASE)
NC
NC
NC
NC
NC
NC
NC
FIGURE 1. Dimensions and configuration.
AMSC N/A
FSC 5955
MIL-PRF-55310/14H
Ltr
Inches
Min
Max
.887
.44
.27
.54
.155
.305
.305
.605
.20
---
.020
.105
Min
---
---
---
---
3.68
7.49
7.49
15.11
---
5.1
0.41
2.41
mm
Max
22.53
11.2
6.8
13.7
3.94
7.75
7.75
15.37
5.1
---
0.51
2.67
A
B
C
D
E
F
G
H
J
K
L
M
---
---
---
---
.145
.295
.295
.595
---
.20
.016
.095
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerances are ±.005 (0.13 mm) for three place decimals and ±.02 (0.5 mm) for
two place decimals.
4. All pins with NC function may be connected internally and are not to be used as external tie points or
connections.
5. Color dot or square corner shall be used to indicate pin number 1.
6. ESD indicator, open triangle, shall be marked anywhere on the top of the oscillator.
FIGURE 1. Dimensions and configuration - Continued.
2
MIL-PRF-55310/14H
REQUIREMENTS:
Interface and physical dimensions: See figure 1.
Mounting: See figure 1.
Terminals: See figure 1.
Seal: Hermetic in accordance with
MIL-PRF-55310,
maximum leakage rate 5 x 10
-8
atm cc/s.
Weight: 0.5 ounce, maximum.
Oscillator: Class 2 or any class 1 or class 3 oscillator meeting all class 2 requirements and verification tests
specified herein and in
MIL-PRF-55310.
Calibration: Manufacturer calibrated.
Screening: In accordance with
MIL-PRF-55310,
product level B or S, as applicable.
Temperature:
Operating: See table I.
Storage: -62C to +125C.
Oscillator load: 1 to 10 standard TTL loads. A TTL unit load is defined as: 1.6 mA sink, 0.04 mA source
and 2 pF capacitance.
Output waveform: Symmetrical square wave.
Supply voltage: See table I.
Input current: At designated supply voltage (see table I).
Output frequency: Frequency as designated at time of acquisition (see table I).
Output voltage: At designated TTL load (see table I).
Logic 1:
Logic 0: See table I.
Rise and fall times: See table I.
Duty cycle: See table I.
Initial accuracy at +23C
1C
(up to 30 days after shipment):
15
ppm.
Initial frequency-temperature accuracy (one-half temperature cycle): Verification applicable. 1/
Frequency-temperature tolerance (one-half temperature cycle, referenced to frequency measured at +23C
1C,
immediately prior to starting of the test): See table I. Measurements taken at ten equally spaced increments
over the specified operating temperature range. 1/
1/ For the purpose of transitioning this device to
MIL-PRF-55310,
‘Frequency stability versus temperature’ has been
renamed ‘Frequency-temperature tolerance’. The verification requirements of ‘initial frequency-temperature
accuracy (one-half temperature cycle)’ shall apply except that frequency measurements shall be referenced to
the frequency measured at +23C
1C
(f
ref
) instead of to the nominal frequency (f
nom
).
3
MIL-PRF-55310/14H
TABLE I. Dash numbers and operating characteristics.
Dash
num-
ber
Output
frequency
range
Supply
voltage
Input
current
(max)
1/
mA
158
Output voltage
Logic: 1
(min)
Logic: 0
(max)
Rise
and
fall
times
(max)
ns
15
Duty
cycle
at
1.4 V
percent
45 to 55
Frequency-temperature
tolerance (ppm)
-55C
-55C
-20C
to
to
to
+125C
+105C
+70C
A
B
C
50
50
50
50
50
50
50
50
50
40
40
40
40
40
40
40
40
40
30
30
30
30
30
30
30
30
30
01
0.1 Hz to
1 kHz
1 kHz to
150 kHz
150 kHz to
300 kHz
300 kHz to
600 kHz
600 kHz to
2.5 MHz
2.5 MHz to
5 MHz
5 MHz to
10 MHz
10 MHz to
15 MHz
15 MHz to
25 MHz
V dc
+5
0.5
+5
0.5
+5
0.5
+5
0.5
+5
0.5
+5
0.5
+5
0.5
+5
0.5
+5
0.5
02
158
15
45 to 55
03
94
15
45 to 55
04
94
2.4 V dc
at
400
A
source
0.5 V dc
at 16 mA
sink
15
45 to 55
05
50
15
45 to 55
06
40
15
45 to 55
07
30
15
45 to 55
08
20
15
40 to 60
09
20
5
40 to 60
1/
Maximum input current for no load condition. Actual configuration of TTL loads must be added to determine
power supply requirements.
Frequency-voltage tolerance:
2
ppm maximum for a
10
percent change in supply voltage. Measurements taken
at reference temperature and operating temperature range end points.
Frequency aging: Measurements shall be taken at +70C
0.2C
at intervals of not more than every 72 hours for
30 days minimum.
5
ppm per year, maximum
0.7
ppm per 30 days
1.5
ppm per 90 days
Terminal strength:
Method 211 of MIL-STD-202,
test condition C.
Applied force: 2 pounds each terminal for 10 seconds.
Bends: Five at 45 degrees each.
Frequency-environmental tolerance: Not applicable.
4
MIL-PRF-55310/14H
Vibration, sinusoidal: In accordance with
MIL-PRF-55310
and
method 204 of MIL-STD-202.
Nonoperating: Test condition D.
Operating: Not required.
Ambient pressure:
Nonoperating: In accordance with
MIL-PRF-55310.
Operating:
Method 105 of MIL-STD-202,
test condition C.
Part or Identifying Number (PIN): Consists of “M” prefix followed by specification sheet number, a dash and coded
alphas, and numeric number. See example:
EXAMPLE
M55310/14-
M prefix and specification sheet number
Product level (S, B, or C)
Dash number (see table I)
Operating temperature range
(A, B, or C) (see table I)
Frequency
Reference documents. In addition to
MIL-PRF-55310,
this document references the following:
MIL-STD-202
The margins of this specification are marked with vertical lines to indicate where changes from the previous issue
were made. This was done as a convenience only and the Government assumes no liability whatsoever for any
inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document
based on the entire content irrespective of the marginal notations and relationship to the last previous issue.
S
01
A
XXXXXXXX
Custodians:
Army - CR
Navy - EC
Air Force -99
DLA - CC
Review activities:
Army - AR, MI, SM
Navy - AS, CG, MC
Air Force - 19, 84
NASA - NA
Preparing activity:
Army - CR
Agent:
DLA - CC
(Project 5955-2009-015)
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at
http://assist.daps.dla.mil.
5
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