User Manual

MIL-PRF-55310/29C
3
REQUIREMENTS:
Interface and physical dimensions: See figure 1.
Mounting: See figure 1.
Pads: See figure 1.
`
Seal: Hermetic in accordance with MIL-PRF-55310, maximum leakage rate 5 x 10
-8
atm cc/s.
Weight: 3 grams, 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: -62°C to +125°C.
Load test circuit: See figure 2.
Supply voltage: +5.0 V dc ±10 percent.
Supply current: See table I.
Overvoltage survivability: In accordance with MIL-PRF-55310.
Start-up time: 15 ms maximum, measurement shall be taken at reference temperature and operating temperature
range end points.
Nominal output frequency: Specified nominal frequency (see table I).
Output levels at designated load: See figure 3.
Logic 1: 0.9 V
DD
, minimum.
Logic 0: 0.1 V
DD
, maximum.
Output waveform: Symmetrical square wave, HCMOS logic compatible (see figure 3).
Duty cycle: See table I and figure 3.
Rise and fall times: See table I and figure 3.
Enable/disable:
Output disabled (high impedance): Pad 32 input = 0.8 V dc maximum.
Output enabled: Pad 32 input = 2.0 V dc minimum.
Initial frequency accuracy at +23°C: See table I.