IQXO-415 Professional Oscillator
ISSUE 5; 1 SEPTEMBER 2001
Delivery Options
I
Tri-state Operation
I
Please contact our sales office for current leadtimes
I
Logic ‘0’ to pin 1 disables oscillator output; when
disabled the oscillator output goes to the high
impedance state
No connection or Logic ‘1’ to pin 1 enables oscillator
output
Disable current 50µA typical
Output Compatibility
I
Tri-state HCMOS/TTL
Drive Capability: 50pF or 10TTL
I
I
Package Outline
I
Marking
I
14-pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seal. Available
over 0 to 70°C (IQXO-415) or -40 to 85°C
(IQXO-415I)
Model number
Frequency Stability Code
Frequency Tolerance Code (Optional)
Frequency
Date Code (Year/Week)
I
I
Frequency Tolerance @ 25°C
I
I
±5ppm or ±10ppm
I
Frequency Stability Inclusive Of:-
LEADED SPXOs
I
Minimum Order Information Required
I
Frequency Tolerance (as above)
Voltage Variation: < ±0.5ppm
Load Variation: < ±0.5ppm (< 60.0MHz)
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Frequency + Model Number + Operating Temperature (if
applicable) + Frequency Stability
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Outline in mm
I
Load Variation: < ±1.0ppm (> 60.0MHz)
0.8 max
I
Ageing for 5 years: < ±5ppm
Operating Temperature Ranges
I
0 to 70°C (IQXO-415)
–40 to 85°C (IQXO-415I)
Pin connections
1. Enable/Disable
7. GND
8. Output
14. +Vs
∅0.45
4.0 min
1
7
7.62
14
15.24
21.0 max
8
I
I
–55 to 125°C
Environmental Specification
I
Acceleration: 490m/s
2
for 1 minute in the ‘Y
1
’ 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 1 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
Thermal Shock: 10 cycles from -55 to 125°C
Vibration: 10 to 60Hz 0.75mm displacement, 60 to 2000Hz
98.1m/s
2
acceleration, 30 minutes in each of three
mutually perpendicular planes
I
I
Output Waveform - HCMOS/TTL
+Vs
t
f
t
r
I
90%Vs
50%Vs
I
13.08 max
Storage Temperature Range
5.1 max
2.4V
I
10%Vs
1.4V
0.4V
I
I
T
Duty cycle = t x 100(%)
T
0V
t
Electrical Specifications - maximum limiting values when measured in HCMOS test circuit.
Frequency
Range
250kHz to
< 8.0MHz
8.0 to
< 23.0MHz
23.0 to
80.0MHz
Frequency
Stability
±15ppm, ±25ppm,
±50ppm
±15ppm, ±25ppm,
±50ppm
±15ppm, ±25ppm,
±50ppm
Supply Voltage
5V±0.5V
5V±0.5V
5V±0.5V
Supply Current
5mA
10mA
65mA
Rise Time(t
r
)
10ns
5ns
3ns
Fall Time(t
f
)
10ns
5ns
3ns
Duty Cycle
45/55%
45/55%
45/55%
Model Number
IQXO-415, -415I
IQXO-415, -415I
IQXO-415, -415I
Please note that variations to the above specification are considered upon request; please contact our sales office.
Ordering Example
Frequency
Model number: -415
Operating Temperature Code: I = -40 to 85°C Not applicable for 0 to 70°C
Frequency Stability: A = ±25ppm, B = ±50ppm, N = ±15ppm (Only available for 0 to 70°C)
Frequency Tolerance @ 25°C: D = ±5ppm; E = ±10ppm
Please note: Code combination N E is not available
LEADED SPXOs
22.0MHz
IQXO-415I B E
Test Circuit - HCMOS
A
Oscillator
7
1
14 8
+Vs
Test Circuit - TTL
A
Oscillator
7
1
14
8
D
1
+Vs
400R
D
2
V
0.1µF 15pF*
Oscilloscope
V
0.1µF
15pF*
D
3
D
4
Oscilloscope
Frequency counter
*Inclusive of jigging & equipment capacitance
Frequency counter
D
1
to D
4
= IN916
or equivalent
*Inclusive of jigging & equipment capacitance
Analogue and Mixed Signal
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