1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-55310/28C 15 October 2008 SUPERSEDING MIL-PRF-55310/28B 13 June 2005 PERFORMANCE SPECIFICATION SHEET OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO), 1.0 MHz THROUGH 85 MHz, HERMETIC SEAL, SQUARE WAVE, TTL This specification is approved for use by
2、 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 otherwise s
3、pecified, tolerances are .005 (0.13 mm) for three place decimals and .02 (0.5 mm) for two place decimals. FIGURE 1. Dimensions and configuration. Pin number Function 1 Enable/disable 2 GND 3 Output 4 B+ Inches mm Ltr Min Max Min Max A N/A .560 N/A 14.22 B N/A .360 N/A 9.14 C .195 .205 4.95 5.21 D .0
4、86 .114 2.18 2.90 E .025 .055 .635 1.40 F N/A .378 N/A 9.60 G .292 .308 7.42 7.82 H .007 .009 .178 .229 J N/A .188 N/A 4.78 K .015 .021 .381 .533 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without licens
5、e from IHS-,-,-MIL-PRF-55310/28C 2 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
6、 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: -62C to +125C. Oscillator
7、 load: Standard TTL loads (see table I). Output waveform: Symmetrical square wave. Output voltage: Logic 1: 2.4 V dc minimum at 400 A source. Logic 0: 0.5 V dc maximum with 16 mA sink. Rise and fall times: See table I. Duty cycle: See table I. Supply voltage: +5 V dc 10 percent. Input current: See t
8、able I. Enable/disable: Output disabled (high impedance): Pin 1 input 0.8 V dc. Output active: Pin 1 input 2.0 V dc or open. Output frequency: Frequency as designated at time of acquisition (see table I). Initial accuracy at reference temperature (up to 30 days after shipment): See table I. Copyrigh
9、t Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/28C 3 TABLE I. Dash numbers and operating characteristics. 1/ Maximum input current for no load condition. Actual configurati
10、on 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-temperature tolerance (one-half temperature cycle, referenced to frequency measured at +23C 1C, immediately prior to starting of the te
11、st): 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. Frequ
12、ency aging: Measurements shall be taken at +70C 0.2C at intervals of not more than every 72 hours for a minimum of 30 days (see table I). 10 ppm per year, maximum 1.5 ppm per 30 days. 3 ppm per 90 days. Terminal strength: Method 211 of MIL-STD-202, test condition A. Applied force: 8 ounces each term
13、inal. 1/ For the purpose of transitioning this device to MIL-PRF-55310, Frequency stability versus temperature has been renamed Frequency-temperature tolerance. The verification requirements of initial frequency-temperature accuracy (one-half temperature cycle) shall apply except that frequency meas
14、urements shall be referenced to the frequency measured at +23C 1C (fref) instead of to the nominal frequency (fnom).Pulse characteristics Frequency-temperature tolerance (ppm) -55C to +125C -55C to +105C -20C to +70C Dash number Output frequency range Input current max 1/ Rise and fall times (max) D
15、uty cycle at 1.4 V Load (max) 2/ Initial accuracy ppm at +23C 1C A B C 01 1.000 MHz to 14.999 MHz 10 mA 5 ns 45% to 55% 10 TTL 15 ppm 50 ppm 40 ppm 25 ppm 04 1.000 MHz to 14.999 MHz 10 mA 5 ns 45% to 55% 10 TTL 25 ppm 100 ppm 80 ppm 50 ppm 11 15.000 MHz to 29.999 MHz 15 mA 5 ns 40% to 60% 10 TTL 15
16、ppm 50 ppm 40 ppm 25 ppm 14 15.000 MHz to 29.999 MHz 15 mA 5 ns 40% to 60% 10 TTL 25 ppm 100 ppm 80 ppm 50 ppm 21 30.000 MHz to 59.999 MHz 25 mA 3 ns 40% to 60% 10 TTL 15 ppm 50 ppm 40 ppm 25 ppm 24 30.000 MHz to 59.999 MHz 25 mA 3 ns 40% to 60% 10 TTL 25 ppm 100 ppm 80 ppm 50 ppm 31 60.000 MHz to 8
17、5.000 MHz 40 mA 3 ns 40% to 60% 10 TTL 15 ppm 50 ppm 40 ppm 25 ppm 34 60.000 MHz to 85.000 MHz 40 mA 3 ns 40% to 60% 10 TTL 25 ppm 100 ppm 80 ppm 50 ppm Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without
18、 license from IHS-,-,-MIL-PRF-55310/28C 4 Frequency-environmental tolerance: Not applicable. 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-5531
19、0. Operating: Method 105 of MIL-STD-202, test condition C. Exposure time: 5 minutes. Reflow soldering: Reflow soldering of the unit at +230C 10C for 15 seconds shall not degrade the performance. Part or Identifying Number (PIN): Consists of “M“ prefix followed by specification sheet number, a dash a
20、nd coded alphas, and numeric number. See example: EXAMPLE M55310/28- 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) (see table I) Frequency Reference documents. In addition to MIL-PRF-55310, this d
21、ocument references the following: MIL-STD-202 The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations.
22、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. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo r
23、eproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/28C 5 Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 99 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2008-008) Army - AR, MI, SM Navy - AS, CG, MC Air Force - 19, 84 NASA - NA NOTE:
24、 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. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
