INCH-POUND
MIL-PRF-55310/29C
25 March 2011
SUPERSEDING
MIL-PRF-55310/29B
24 February 2005
PERFORMANCE SPECIFICATION SHEET
OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)),
0.2 MHz THROUGH 85 MHz, HERMETIC SEAL, SQUARE WAVE, HCMOS
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 and MIL-PRF-55310.
37 GND
5-9 NC
38 NC
FIGURE 1. Dimensions and configuration.
AMSC N/A FSC 5955
MIL-PRF-55310/29C
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 pads with NC functions are not connected externally.
A .454 .466 11.53 11.84
B .465 SQ .495 SQ 11.81 SQ 12.57 SQ
G .355 SQ .365 SQ 9.02 SQ 9.27 SQ
H .035 .045 0.89 1.14
FIGURE 1. Dimensions and configuration - Continued.
Min Max Min Max
2
MIL-PRF-55310/29C
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
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
, minimum.
DD
Logic 0: 0.1 V
, maximum.
DD
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.
-8
atm cc/s.
3