IQXO-35, -36 CLOCK OSCILLATORS
ISSUE 9; 3 APRIL 2009 - RoHS 2002/95/EC
Description
Outline (mm)
0.8 max
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8-pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seals and high
environmental performance
8-pin DIL
500kHz to 70MHz
HCMOS/TTL
Drive Capability: 50pF max or 10TTL
Non tri-state (IQXO-35)
Tri-state (IQXO-36)
±5ppm, ±10ppm, ±25ppm
±25ppm, ±50ppm, ±100ppm
(over operating temperature range)
–40 to 85°C
11.8
5.8 max
4
5
13.20
4.0 min
Package Outline
Ø0.5
Pin Connections
1. N/C or Enable/Disable.
4. GND
5. Output
8. +Vs
CLOCK
OSCILLATORS
Frequency Range
13.20
1
8
Output Compatibility & Load
7.62SQ
Output Waveform
tf
tr
Frequency Tolerance @ 25°C (Optional)
Frequency Stabilities
+Vs
90%Vs
Operating Temperature Range
Storage Temperature Range
–55 to 125°C
Tri-state Operation (IQXO-36)
No connection or Logic ‘1’ to pin enables oscillator output
Logic ‘0’ to pin 1 disables oscillator output; when disabled the
oscillator output goes to the high impedance state
Maximum ‘pull-down’ resistance required to disable output
= 20kΩ
Disable current 50µA typ
50%Vs
2.4V
1.4V
0.4V
t
T
10%Vs
0V
Duty cycle = t x 100(%)
T
Environmental
Acceleration: 490m/s
2
for 1 minute in the ‘Y1’ plane
Bump: 4000 bumps at 390m/s
2
in each of the three mutually
perpendicular planes
Hermetic Seal: not to exceed 1 x 10
-8
mBar litres of Helium
leakage
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
Shock: 981m/s
2
for 6ms, three shocks in each direction along
the three mutually perpendicular planes
Solderability: BS2011 test TA
Rapid Change of Temperature over Operating Temperature
Range: 10 cycles.
Vibration: 10 to 60Hz 0.75mm displacement, 60 to 2000Hz
98.1m/s
2
acceleration, 30 minutes in each of three mutually
perpendicular planes
Marking Includes
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IQD + Model Number + Frequency Stability Code +
Frequency Tolerance Code (Optional) + Frequency + Date
Code
Bulk
Frequency + Model Number + Frequency Stability
Packaging
Minimum Order Information Required
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Electrical Specifications - maximum limiting values
Frequency Range
500.0kHz to <5.0MHz
5.0MHz to <16.0MHz
16.0MHz to <30.0MHz
30.0MHz to <50.0MHz
50.0MHz to <70.0MHz
Ordering Example
Frequency
Model number: -35 = Non tri-state, -36 = Tri-state
Frequency Stability: A = ±25ppm, B = ±50ppm, C = ±100ppm
Frequency Tolerance @25°C: D = ±5ppm, E = ±10ppm, F = ±25ppm
Please note: Code combination A F is not available
Frequency Stability
±25ppm, ±50ppm,
±100ppm
Supply Voltage Supply Current Rise Time (tr)
5V ±0.25V
20mA
30mA
40mA
50mA
8ns
6ns
8ns
6ns
40/60%
22.0MHz IQXO-35 B F
CLOCK
OSCILLATORS
Fall Time (tf)
15ns
10ns
Duty Cycle
45/55%
Model Number
IQXO-35, -36
15ns
10ns
Test Circuit
Oscillator
1 4
8 5
A
+Vs
V
0.1
μ
F
15pF*
Oscilloscope
Frequency counter
*Inclusive of jigging and equipment capacitance
Note: Pin 1 = No connection on non tri-state models
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
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