1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-55310/20F 28 August 2012 SUPERSEDING MIL-PRF-55310/20E 24 February 2005 PERFORMANCE SPECIFICATION SHEET OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO), 40.0 kHz THROUGH 60.0 MHz, HERMETIC SEAL, SQUARE WAVE, TTL This specification is approved for
2、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. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless other
3、wise 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 function may be connected internally and are not to be used as external tie points or connectors. FIGURE 1. Dimensions and configuration. Pin number Function 1-5 NC 6 B
4、+ 7-11 NC 12 B+ 13-33 NC 34 GND 35-39 NC 40 GND 41 NC 42 OUTPUT Inches mm Inches mm .007 0.18 .085 2.16 .008 0.20 .472 11.99 .015 0.38 .500 12.70 .025 0.64 .650 16.51 .050 1.27 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/20F 2 REQUI
5、REMENTS: 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: 4 grams, maximum. Oscillator: Class 2 or any class 1 or class 3 oscillator meeting all class 2 requir
6、ements 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: -62C to +125C. Oscillator load: Standard TTL loads (see table I).
7、 Output waveform: Symmetrical square wave. Output voltage: Logic 1: 2.4 V dc, minimum. Logic 0: 0.5 V dc, maximum. Rise and fall times: See table I. Duty cycle: See table I. Supply voltage: 5.0 V dc 10 percent. Input current: At designated supply voltage (see table I). Output frequency: Frequency as
8、 designated at time of acquisition (see table I). Initial accuracy at reference temperature (up to 30 days after shipment): See table I. Initial frequency-temperature accuracy (one-half temperature cycle): Verification applicable. 1/ Frequency-temperature tolerance (one-half temperature cycle, refer
9、enced to frequency measured at +23C 1C, immediately prior to starting of the test): See table I. Measurements taken at ten equally spaced increments over the specified operating temperature range. 1/ 1/ For the purpose of transitioning this device to MIL-PRF-55310, Frequency stability versus tempera
10、ture has been renamed Frequency-temperature tolerance. The verification requirements of initial frequency-temperature accuracy (one-half temperature cycle) shall apply except that frequency measurements shall be referenced to the frequency measured at +23C 1C (fref) instead of to the nominal frequen
11、cy (fnom). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/20F 3 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 sup
12、ply 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: Measure
13、ments 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. Vibration, sinusoidal: In accordance with MIL-PRF-55310 and method 204
14、 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. Reflow soldering: Reflow soldering of the unit at +230C 10C for 15 seconds shall not degrade the perform
15、ance. Dash num- Output frequency Input current Pulse characteristics Initial accuracy Frequency aging Frequency-temperature tolerance (ppm) ber range (max) at 5.25 V 1% 1/ Rise and fall times Duty cycle at 1.4 V Load (max) 2/ ppm at +23C 1C ppm/year after 30 days -55C to +125C -55C to +105C -20C to
16、+70C (max) A B C Ma ns percent 01 02 03 40 kHz to 14.0 MHz 75 75 75 15 15 15 40 to 60 40 to 60 40 to 60 10 TTL 10 TTL 10 TTL 15 25 25 10 10 10 50 100 200 40 80 150 25 50 100 11 12 13 14.0 MHz to 30.0 MHz 30 30 30 5 5 5 40 to 60 40 to 60 40 to 60 10 TTL 10 TTL 10 TTL 15 25 25 10 10 10 50 100 200 40 8
17、0 150 25 50 100 21 22 23 30.0 MHz to 60.0 MHz 55 55 55 5 5 5 40 to 60 40 to 60 40 to 60 10 TTL 10 TTL 10 TTL 15 25 25 10 10 10 50 100 200 40 80 150 25 50 100 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/20F 4 Part or Identifying Numb
18、er (PIN): Consists of “M” prefix followed by specification sheet number, a dash and coded alphas, and numeric number. See example: EXAMPLE M55310/20- S 01 A XXXXXXXX M prefix and specification sheet number Product level (S, B, or C) Dash number (see table I) Operating temperature range (A, B, or C)
19、(see table I) Frequency Reference documents. In addition to MIL-PRF-55310, this document references the following: MIL-STD-202 The margins of this specification sheet are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and t
20、he Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Prepa
21、ring activity: Air Force - 99 DLA - CC DLA - CC (Project 5955-2011-018) Review activities: Air Force - 19, 84 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 https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
