INCH-POUND
MIL-PRF-55310/35B
1 February 2013
SUPERSEDING
MIL-PRF-55310/35A
19 April 2010
PERFORMANCE SPECIFICATION SHEET
OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO),
1 MHz THROUGH 133 MHz, HERMETIC SEAL, LOW VOLTAGE 2.5V 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.
Ltr
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. Interface and physical dimensions.
AMSC N/A FSC 5955
MIL-PRF-55310/35B
REQUIREMENTS:
Interface and physical dimensions: See figure 1.
Mounting: See
Terminals: See
Seal: Hermetic in accordance with MIL-PRF-55310, maximum leakage rate 5 x 10
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
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
Output waveform: Symmetrical square wave, 2.5 volt CMOS logic compatible (see
Output logic voltage levels at designated CMOS (see
Logic 1: 90 percent of V
Logic 0: 10 percent of V
Rise and fall times: (See table I) Measurements shall be taken at the 10 percent and 90 percent peak-to
-peak output voltage levels, with peak-to-peak output define d as level 1-level 0 (see
Duty cycle: See
Supply voltage: +2.5 V dc ±10 percent.
Input current: At designated supply voltage (see table I).
Enable/disable:
Output disabled (high impedance): Pin 1 input ≤ 0.3 x Vdd
Output active: Pin 1 input ≥ 0.7x Vdd 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
figure 1.
figure 1.
MIL-PRF-55310.
figure 2.
, minimum.
DD
, maximum.
DD
table I and figure 3.
figure 3):
-8
figure 3).
figure 3).
table I.
atm cc/s.
2