1、AMSC N/A FSC 5955 INCH-POUND MIL-PRF-55310/21G 14 November 2008 SUPERSEDING MIL-PRF-55310/21F 09 June 2008 PERFORMANCE SPECIFICATION SHEET OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO), 1.0 MHz THROUGH 60.0 MHz, HERMETIC SEAL, SQUARE WAVE, TTL This specification is approved for use
2、 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. FIGURE 1. Dimensions and configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without
3、 license from IHS-,-,-MIL-PRF-55310/21G 2 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. The leads shall be symmetrical
4、 with respect to the package so that the spacing between the first lead and the end of the package shall be equidistant on each side. 5. Unit shall meet all requirements with pin 13 and pin 20 simultaneously tied to supply voltage. 6. Lead numbers are for reference only and need not be marked on uni
5、t. 7. All pins with NC function may be connected internally and are not to be used as external tie points or connectors. 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 wit
6、h 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 requirements and verification tests specified herein and in MIL-PRF-55310. Calibration: Manufacturer calibrated. Screening: In accordance wi
7、th 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). Output waveform: Symmetrical square wave. Inches mm Ltr Min Max Min Max A - .120 - 3.05 b .010 .022 0.25 0.56 c .005 .015 0.13 0.38 D
8、 - .650 - 16.51 E - .650 - 16.51 e .045 .055 1.14 1.40 L 1.250 - 31.75 - Q - .060 - 1.52 Pin number Function 1-9 NC 10 B- (GND/CASE) 11 OUTPUT 12 NC 13 B+ (see note 5) 14-19 NC 20 B+ (optional) (see note 5) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
9、-,-,-MIL-PRF-55310/21G 3 Supply voltage: 5.0 V dc 10 percent. Input current: At designated supply voltage (see table I). Output frequency: Frequency as designated at time of acquisition (see table I). Output voltage: At designated TTL load (see table I). Logic 1: 2.4 V dc, minimum. Logic 0: 0.5 V dc
10、, maximum. Rise and fall times: See table I. Duty cycle: 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 temp
11、erature cycle, referenced 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 stab
12、ility 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 measurements shall be referenced to the frequency measured at +23C 1C (fref) instead of to
13、 the nominal frequency (fnom). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/21G 4 TABLE I. Dash numbers and operating characteristics. 1/ Maximum input current for no load condition. Actual configuration of TTL loads must be added to
14、 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-voltage tolerance: 4 ppm maximum for a 10 percent change in supply voltage. Measurements taken at reference temperature and operating temperature range end points. Fre
15、quency aging: Measurements 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
16、-55310 and method 204 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. Pulse characteristics Frequency-temperature tolerance (ppm) -55C to +125C -55C to +
17、105C -20C to +70C Dash num- ber Output frequency range Input current max at 5.25 V 1% 1/ Rise and fall times max Duty cycle at 1.4 V Load max 2/ Initial accuracy ppm at +23C 1C Frequency aging ppm/year after 30 days A B C mA ns percent 01 1.0 MHz to 5.0 MHz 70 15 40 to 60 10 TTL 15 10 50 40 25 02 1.
18、0 MHz to 5.0 MHz 70 15 40 to 60 10 TTL 25 10 100 75 50 03 1.0 MHz to 5.0 MHz 70 15 40 to 60 10 TTL 25 10 200 150 100 11 5.0 MHz to 20.0 MHz 30 15 40 to 60 10 TTL 15 10 50 40 25 12 5.0 MHz to 20.0 MHz 30 15 40 to 60 10 TTL 25 10 100 75 50 13 5.0 MHz to 20.0 MHz 30 15 40 to 60 10 TTL 25 10 200 150 100
19、 21 20.0 MHz to 60.0 MHz 65 5 40 to 60 6 TTL 15 10 50 40 25 22 20.0 MHz to 60.0 MHz 65 5 40 to 60 6 TTL 25 10 100 75 50 23 20.0 MHz to 60.0 MHz 65 5 40 to 60 6 TTL 25 10 200 150 100 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-55310/21G 5
20、Reflow soldering: Reflow soldering of the unit at +230C 10C for 15 seconds shall not degrade the performance. Reflow soldering temperatures shall not be applied to the case but to the ribbon leads only. Part or Identifying Number (PIN): Consists of “M” prefix followed by specification sheet number,
21、a dash and coded alphas, and numeric number. See example: EXAMPLE M55310/21- 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
22、, this document 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 not
23、ations. 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: Preparing activity: Air Force - 99 DLA - CC DLA - CC (Project 5955-2008-004) Review
24、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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
