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AMSC N/A FSC 5955

INCH-POUND

MIL-PRF-55310/27D

15 October 2008

SUPERSEDING

MIL-PRF-55310/27C

09 June 2008

PERFORMANCE SPECIFICATION SHEET

OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)),

1.0 MHz THROUGH 85 MHz, HERMETIC SEAL, SQUARE WAVE, HIGH SPEED 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.

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.

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 .086 .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

Summary of content (6 pages)

PAGE 1
INCH-POUND MIL-PRF-55310/27D 15 October 2008 SUPERSEDING MIL-PRF-55310/27C 09 June 2008 PERFORMANCE SPECIFICATION SHEET OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)), 1.0 MHz THROUGH 85 MHz, HERMETIC SEAL, SQUARE WAVE, HIGH SPEED 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.
PAGE 2
MIL-PRF-55310/27D 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.
PAGE 3
MIL-PRF-55310/27D TABLE I. Dash numbers and operating characteristics. Dash number 01 04 11 14 21 24 31 34 Output frequency range Input current (max) 1/ 1.000 MHz to 14.999 MHz 1.000 MHz to 14.999 MHz 15.000 MHz to 29.999 MHz 15.000 MHz to 29.999 MHz 30.000 MHz to 59.999 MHz 30.000 MHz to 59.999 MHz 60.000 MHz to 85.000 MHz 60.000 MHz to 85.
PAGE 4
MIL-PRF-55310/27D NOTES: 1. For HCMOS: CCL = 15 pF ±5 percent. 2. For HCMOS: RCL = 10 kΩ ±5 percent. 3. CCL includes scope capacitance. FIGURE 2. Load test circuit. FIGURE 3.
PAGE 5
MIL-PRF-55310/27D 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.
PAGE 6
MIL-PRF-55310/27D 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 (Project 5955-2008-007) Agent: DLA - CC 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.