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參數(shù)資料
| 型號： | 1112DFREQ3BD |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 24 MHz - 85 MHz, TTL OUTPUT |
| 封裝： | CERAMIC PACKAGE-20 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大小： | 1082K |
| 代理商： | 1112DFREQ3BD |
SIZE
CODE IDENT NO.
UNSPECIFIED TOLERANCES
DWG NO.
REV.
SHEET
A
00136
N/A
OS-68338
I
5
4.1.4 Packages. Packages are procured that meet the construction, lead materials and finishes as
specified in MIL-PRF-55310. Package lots are upscreened in accordance with the
requirements of MIL-PRF-38534 as applicable.
4.1.5 Traceability. Active device lots are homogenous and traceable to the manufacturer’s
individual wafer. Crystals are traceable to the quartz bar and the processing details of the
autoclave lot, as applicable. All other elements and materials are traceable to their incoming
inspection lots.
4.2
Mechanical.
4.2.1 Package Outline. Table 1 links each Hi-Rel Standard Model Number of this specification to a
corresponding package style. Mechanical Outline information of each package style is found
in the referenced Figure.
4.2.2 Thermal Characteristics. The worst case thermal characteristics of each package style are
found in Table 4.
4.3
Electrical.
4.3.1 Input Power. Devices are designed for standard 5.0 volt dc operation, ±10%. Optional 3.3
Vdc (±10%) input performance for ACMOS output conditions. Current is measured, no load,
at maximum rated operating voltage.
4.3.2 Temperature Range. Operating range is -55°C to +125°C.
4.3.3 Frequency Tolerance. Initial accuracy at +23°C is ±15 ppm maximum. Frequency-
Temperature Stability is ±50 ppm maximum from +23°C reference. Frequency-Voltage
Tolerance is ±4 ppm maximum.
4.3.4 Frequency Aging. Aging limits, and when tested in accordance with MIL-PRF-55310 Group B
inspection, shall not exceed ±1 ppm the first 30 days, ±5 ppm Year 1 and ±2 ppm per year
thereafter.
4.3.4.1 Frequency Aging Duration Option. By customer request, the Aging test may be terminated
after 15 days if the measured aging rate is less than half of the specified aging rate. This is a
common method of expediting 30-Day Aging without incurring risk to the hardware and used
quite successfully for numerous customers. It is based on the ‘least squares fit’ determinations
of MIL-PRF-55310 paragraph 4.8.35. The ‘half the time/half the spec’ limit is generally
conservative as roughly 2/3 of a unit’s Aging deviation occurs within that period of time.
Vectron’s automated aging systems take about 6 data points per day, so a lot of data is
available to do very accurate projections, much more data than what is required by MIL-PRF-
55310. The delivered data would include the Aging plots projected to 30 days. If the units
would not perform within that limit then they would continue to full 30 Day term. Please
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