IQXO-350 Commercial Oscillator
ISSUE 16; 19 OCTOBER 1999
Delivery Options
n
Common frequencies are available from stock. Please
see p34 for details
n
3 day Express Manufacturing Service, subject to piece
part stock availability.
Output Compatibility
n
HCMOS/TTL
n
Drive Capability: 50pF or 10 TTL
(1.0 to < 100.0kHz 15pF or 10 LS TTL only)
Package Outline
n
14-pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seals. Available
over 0 to 70C (IQXO-350) or 40 to 85C
(IQXO-350I)
Standard Frequency Stabilities
n
25ppm,
50ppm,
100ppm
(over operating temperature range)
Frequency Tolerance at 25C (Optional)
n
5ppm,
10ppm,
25ppm
Operating Temperature Range
n
0 to 70C (IQXO-350)
n
40 to 85C (IQXO-350I)
Storage Temperature Range
n
55 to 125C
Environmental Specification
n
Terminal Strength: 0.91kg max. Force perpendicular
to top & bottom.
n
Hermetic Seal: not to exceed 1 10
8
mBar litres of
Helium leakage
n
Solderability: MIL-STD-202E, Method 208C
n
Vibration: 10 to 55Hz 0.76mm displacement, sweep
60 seconds, duration 2 hours.
n
Rapid Change of Temperature over Operating Tem-
perature Range: 10 cycles
n
Shock: 981m/s
2
for 6ms, three shocks in each direc-
tion along the three mutually perpendicular planes
Marking
n
Model number (+ Operating Temperature Code; if
applicable)
n
Frequency Stability Code
n
Frequency Tolerance Code (Optional)
n
Frequency
n
Date code (Year/Week)
Minimum Order Information Required
n
Frequency + Model Number + Operating Tempera-
ture Code (if applicable) + Frequency Stability
Europe Tel: +44 (0)1460 74433
Fax: +44 (0)1460 72578
46
Americas Tel: +1 919 941 0430
Fax: +1 919 941 0530
SPXOs
P i n c o n n e c t i o n s
1 . N / C
7 . G r o u n d
8 . O u t p u t
1 4 . + V s
5 . 1 m a x ( 0 . 2 m a x )
4 . 0 m i n ( 0 . 1 5 7 m i n )
0 . 8 m a x
( 0 . 0 3 1 m a x )
0 . 4 5
(
0 . 0 1 8 )
7 . 6 2
( 0 . 3 )
1 3 . 0 8 m a x
( 0 . 5 1 5 m a x )
1 5 . 2 4
( 0 . 6 )
2 1 . 0 m a x
( 0 . 8 2 7 m a x )
1
7
1 4
8
Outline in mm (inches)
t
r
t
f
t
T
9 0 % V s
1 0 % V s
5 0 % V s
0 V
+ V s
2 . 4 V
0 . 4 V
D u t y c y c l e = t x 1 0 0 ( % )
T
1 . 4 V
Output Waveform - HCMOS/TTL/LS TTL
Electrical Specification maximum limiting values when measured in HCMOS test circuit
Frequency
Range
Frequency
Stability
Supply Voltage
Supply Current
*Rise Time (t
r
)
*Fall Time (t
f
)
**Duty Cycle
Model Number
1.0 to
< 100.0kHz
25ppm, 50ppm,
100ppm
5V0.25V
10mA
10ns
10ns
45/55%
IQXO-350, -350I
100.0 to
< 250.0kHz
25ppm, 50ppm,
100ppm
5V0.25V
10mA
15ns
15ns
45/55%
IQXO-350, -350I
250.0kHz to
< 5.0MHz
25ppm, 50ppm,
100ppm
5V0.25V
30mA
15ns
15ns
45/55%
IQXO-350, -350I
5.0 to
< 16.0MHz
25ppm, 50ppm,
100ppm
5V0.25V
15mA
10ns
10ns
45/55%
IQXO-350, -350I
16.0 to
< 30.0MHz
25ppm, 50ppm,
100ppm
5V0.25V
30mA
10ns
10ns
45/55%
IQXO-350, -350I
30.0 to
< 50.0MHz
25ppm, 50ppm,
100ppm
5V0.25V
40mA
8ns
8ns
45/55%
IQXO-350, -350I
50.0 to
80.0MHz
25ppm, 50ppm,
100ppm
5V0.25V
50mA
6ns
6ns
40/60%
IQXO-350, -350I
Ordering Example
22.0MHz IQXO-350I B F
Frequency
Model No
Operating Temperature Code: I = 40 to 85C Not applicable for 0 to 70C
Frequency Stability: A = 25ppm; B = 50ppm; C = 100ppm
Frequency Tolerance @ 25C: D = 5ppm; E = 10ppm; F = 25ppm
Please note: Code combination A F is not available
* Rise & Fall times will be 6ns max in TTL cct.
** Duty Cycle will be 40/60% in TTL cct for
5.0MHz
Europe Tel: +44 (0)1460 74433
Fax: +44 (0)1460 72578
47
Americas Tel: +1 919 941 0430
Fax: +1 919 941 0530
SPXOs
O s c i l l o s c o p e
F r e q u e n c y c o u n t e r
+ V s
1 5 p F *
D
1
t o D
4
= I N 4 1 4 8
o r e q u i v a l e n t
A
D
4
D
2
D
3
4 0 0 R
D
1
V
* I n c l u s i v e o f j i g g i n g & e q u i p m e n t c a p a c i t a n c e
O s c i l l a t o r
1
7
1 4
8
0 . 1
m
F
Test Circuit - TTL
O s c i l l o s c o p e
F r e q u e n c y c o u n t e r
+ V s
1 5 p F *
D
1
t o D
4
= B A T 8 5
o r e q u i v a l e n t
A
D
4
D
2
D
3
D
1
V
* I n c l u s i v e o f j i g g i n g & e q u i p m e n t c a p a c i t a n c e
O s c i l l a t o r
1
7
1 4
8
0 . 1
m
F
2 . 0 k
Test Circuit - LS TTL
* I n c l u s i v e o f j i g g i n g & e q u i p m e n t c a p a c i t a n c e
+ V s
O s c i l l a t o r
A
V
1
7
1 4
8
O s c i l l o s c o p e
F r e q u e n c y c o u n t e r
1 5 p F *
0 . 1
m
F
Test Circuit - HCMOS
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