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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
CLASS B+ PRODUCTS
CRYSTAL CLOCK OSCILLATORS
3.3 to 5.0Vdc
-
450kHz to 85MHz
ClassB+Products(Revision-,April2009)
Q-TECH
CORPORATION
SCREENING
TESTDESCRIPTION
STANDARD METHOD CONDITION QUANTITY
COMMENTS
Blank M B S
 
Nondestructivebondpull
883
2023
100%
2.4grams
   
Internalvisual
883
2017
ClassH
100%
   
Stabilizationbake
883
1008
C
100%
48hoursat150'C
  
Temperaturecycling
883
1010
B(forM)
C(forB&S)
100%
10cycles
  
Constantacceleration
883
2001
A
100%
Y1directiononly
 
Particleimpactnoisedetection(PIND)
883
2020
B
100%
5passesminimum
(seenote1)
  
Preburn-inelectrical
RefertoTableIanddetailspecification
100%
  
Burn-in#1
883
1015 125°Cfor160hours 100%
(seenote2)
Interimelectrical
RefertoTableI,IIanddetailspecification
100%
Burn-in#2
883
1015 125°Cfor160hours 100%
(seenote2)
   
Finalelectrical
Refertodetailspecification...................(forBlank)
RefertoTableIanddetailspecification.......(forM)
RefertoTableIanddetailspecification.......(forB)
RefertoTableI,IIanddetailspecification...(forS)
100%
   
Seal:Fineleak
883
1014
A1
100%
   
Seal:Grossleak
883
1014
C
100%
Radiographicinspection
883
2012
ClassS
100%
Frequencyaging30days
MIL-PRF-55310 -
70°C
100%
±1.5ppmmax.
(seenote3)
  
Frequency/Temperaturestability MIL-PRF-55310
Measuretheoutputfrequencyattenequispacedpoints
minimumofthespecifiedoperatingtemperaturerange
   
Externalvisual
883
2009
100%
Parameters
PreBIat25C PreBILowT PreBIHighT InterimBIat25C PostBIat25C PostBILowT PostBIHighT
M B S M B S M B S M B S M B S M B S M B S
Outputfrequency
  
 
   
 
Frequency/temperaturestability   
 
   
 
Frequency/voltagestability
  
Inputcurrent
  
   
 
Outputvoltage
  
 
   
 
Waveform
  
 
   
 
Dutycycle(symmetry)
  
 
   
 
Riseandfalltimes
  
   
 
Startuptime
  
   
Test
Parameter
Symbol
DeltaLimits
Burn-In(second160hoursBurn-Inperiod)
Supplycurrent
Icc
±10%ofinitialreading
Frequencyagingafter30daysat+70°C
OutputFrequency
Fo
Refertodetailspec.
ScreeningTestTable
TableIElectricalTest-MeasurementRequirements(ApplicabletoscreeninglevelM,B,&Sonly)
TableIIDeltaLimits(ApplicabletoscreeninglevelSonly)
1. PINDtestingshallbeperformedusingfive(5)independentpassesandallfailuresfoundattheendofeachpassarerejected.Thesurvivorsofthe
lastpassareacceptable.
2. Burn-inshallbeunderthespecifiedloadandnominalvoltageconditions.
3. Normally,frequencyagingtestsarefor30days.However,thefrequencyagingtestmaybeceasedifafter15daysthemeasuredagingrateisless
thanhalfofthespecifiedagingrate.