IQXO-35, -36 Industrial Oscillator
ISSUE 5; 19 OCTOBER 1999
Delivery Options
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Please contact our sales office for current leadtimes
Output Compatibility
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HCMOS/TTL
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Drive Capability: 50pF or 10TTL
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Non tri-state (IQXO-35)
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Tri-state (IQXO-36)
Package Outline
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8-pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seals and high
environmental performance
Standard Frequency Stabilities
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±25ppm, ±50ppm, ±100ppm
(over operating temperature range)
Frequency Tolerance @ 25°C (Optional)
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±5ppm, ±10ppm, ±25ppm
Operating Temperature Range
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–40 to 85°C
Storage Temperature Range
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–55 to 125°C
Environmental Specification
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Acceleration: 490m/s2 for 1 minute in the ‘Y1’ plane
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Bump: 4000 bumps at 390m/s2 in each of the three
mutually perpendicular planes
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Hermetic Seal: not to exceed 1 x
10-8 mBar litres of
Helium leakage
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Humidity: steady state: in accordance with test Ca of
IEC 60068-2-3, for 56 days at 40°C at a relative humidity
of 93%, cyclic: in accordance with test Db variant of
IEC 60068-2-30, at severity b), 55°C for six cycles
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Shock: 981m/s2 for 6ms, three shocks in each direction
along the three mutually perpendicular planes
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Solderability: BS2011 test TA
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Rapid
Change
of
Temperature
over
Operating
Temperature Range: 10 cycles.
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Vibration: 10 to 60Hz 0.75mm displacement, 60 to 2000Hz
98.1m/s2 acceleration, 30 minutes in each of three
mutually perpendicular planes
Outline in mm
Output Waveform - HCMOS/TTL
11.8
7.62SQ
14
8
5
Pin connections
1. N/C or Enable/Disable.
4. GND
5. Output
8. +Vs
∅0.5
13.20
Tri-state Operation (IQXO-36)
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Logic ‘0’ to pin 1 disables oscillator output; when
disabled the oscillator output goes to the high
impedance state
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No connection or Logic ‘1’ to pin enables oscillator
output
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Maximum ‘pull-down’ resistance required to disable
output = 20k
Ω
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Disable current 50µA typical
Marking
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Model number
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Frequency Stability Code
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Frequency Tolerance Code (Optional)
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Frequency
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Date Code (Year/Week)
Minimum Order Information Required
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Frequency + Model Number + Frequency Stability
tr
tf
t
T
90%Vs
10%Vs
50%Vs
0V
+Vs
2.4V
0.4V
Duty cycle = t x 100(%)
T
1.4V
48