User guide

MIL-PRF-55310/21G
4
TABLE I. Dash numbers and operating characteristics.
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 2 pF 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 +70°C ±0.2°C 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.
Vibration, sinusoidal: In accordance with MIL-PRF-55310
and method 204 of MIL-STD-202.
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.
Pulse characteristics Frequency-temperature
tolerance (ppm)
-55°C
to
+125°C
-55°C
to
+105°C
-20°C
to
+70°C
Dash
num-
ber
Output
frequency
range
Input
current
max at
5.25 V
±1%
1
/
Rise
and
fall
times
max
Duty
cycle at
1.4 V
Load
max
2
/
Initial
accuracy
ppm
at
+23°C
±1°C
Frequency
aging
ppm/year
after
30 days
A B C
mA ns percent
01 1.0 MHz to
5.0 MHz
70 15 40 to 60 10 TTL
±15 ±10 ±50 ±40 ±25
02 1.0 MHz to
5.0 MHz
70 15 40 to 60 10 TTL
±25 ±10 ±100 ±75 ±50
03 1.0 MHz to
5.0 MHz
70 15 40 to 60 10 TTL
±25 ±10 ±200 ±150 ±100
11 5.0 MHz to
20.0 MHz
30 15 40 to 60 10 TTL
±15 ±10 ±50 ±40 ±25
12 5.0 MHz to
20.0 MHz
30 15 40 to 60 10 TTL
±25 ±10 ±100 ±75 ±50
13 5.0 MHz to
20.0 MHz
30 15 40 to 60 10 TTL
±25 ±10 ±200 ±150 ±100
21 20.0 MHz to
60.0 MHz
65 5 40 to 60 6 TTL
±15 ±10 ±50 ±40 ±25
22 20.0 MHz to
60.0 MHz
65 5 40 to 60 6 TTL
±25 ±10 ±100 ±75 ±50
23 20.0 MHz to
60.0 MHz
65 5 40 to 60 6 TTL
±25 ±10 ±200 ±150 ±100