MIL-PRF-55310/19E
TABLE I. Dash numbers and operating characteristics.
Input
Output
Dash
Pulse characteristics
Initial
Frequency
Frequency-temperature
current
frequency
num-
accuracy
aging
tolerance (ppm)
max 1/
range
ber
ppm
ppm/year
-55C
-55C
-20C
at
after
Rise
Load
Duty
+23C
30 days
and
max
cycle at
to
to
to
1C
+125C
+105C
+70C
2/
fall
1.4 V
times
(max)
A
B
C
mA
ns
percent
50
75
100
10
25
01
1.0 MHz
75
15
40 to 60
10 TTL
100
150
200
10
25
02
to
75
15
40 to 60
10 TTL
25
40
50
5
15
03
16.0 MHz
75
15
40 to 60
10 TTL
50
75
100
10
25
11
16.0 MHz
40
5
40 to 60
10 TTL
100
150
200
10
25
12
to
40
5
40 to 60
10 TTL
25
40
50
5
15
13
40.0 MHz
40
5
40 to 60
10 TTL
50
75
100
10
25
21
40.0 MHz
70
5
40 to 60
10 TTL
100
150
200
10
25
22
to
70
5
40 to 60
10 TTL
25
40
50
5
15
23
60.0 MHz
70
5
40 to 60
10 TTL
1/
Maximum input current for no load condition. Actual configuration of TTL loads must be added to determine
power supply requirements.
2/
A TTL unit load is defined as: 1.6 mA sink, 0.04 mA source, and 2pF capacitance.
Frequency-voltage tolerance: 4 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 (see table I).
10 ppm per year, maximum
1.5 ppm per 30 days.
3 ppm per 90 days.
Frequency-environmental tolerance: Not applicable.
Nonoperating: Test condition G.
Operating: Not required.
Ambient pressure:
Nonoperating: In accordance with MIL-PRF-55310.
Operating: Method 105 of MIL-STD-202, test condition C.
Reflow soldering: Reflow soldering of the unit at +230C 10C for 15 seconds shall not degrade the performance.
4
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