INCH-POUND MIL-PRF-55310/30D 15 October 2008 SUPERSEDING MIL-PRF-55310/30C 09 June 2008 PERFORMANCE SPECIFICATION SHEET OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)), 450 kHz THROUGH 100 MHz, HERMETIC SEAL, LOW VOLTAGE CMOS 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. 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. FIGURE 1. Dimensions and configuration.

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. Output waveform:...

TABLE I. Dash numbers and operating characteristics. 1/ Maximum input current for no load condition. 2/ See figure 3. Frequency-temperature tolerance (one-half temperature cycle, referenced to frequency measured at +23°C ±1°C, immediately prior to starting of the test): See table I. Measurements taken at ten equally spaced increments over the specified operating temperature range. 1/ 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...

NOTES: 1. For CCL = 15 pF ±5 percent. 2. For RCL = 10 kΩ ±5 percent. 3. CCL includes scope capacitance. FIGURE 2. Load test circuit.

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. Exposure time: 5 minutes. Reflow soldering: Reflow soldering of the unit at +230°C ±10°C for 15 seconds shall not degrade the performance. Part or Identifying Number (PIN): Consists of “M” prefix followed by specification sheet number, a dash and coded alphas, and numeric number. See example: M prefix and specification sheet number...

Custodians: Army - CR Navy - EC Air Force - 99 DLA - CC Preparing activity: Army - CR Review activities: Army - AR, MI, SM Navy - AS, CG, MC Air Force - 19, 84 NASA - NA 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.