STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
10128 - Rev D
DESCRIPTION
STATEK's SQXO-2AT crystal oscillator consists of a TTL
and CMOS-compatible hybrid circuit and a miniature AT
quartz crystal packaged in a hermetically-sealed 3-pin
TO-39 package.
FEATURES
CMOS and TTL compatible
Low EMI emission
Wide temperature range
Full military testing available
Hermetically sealed
APPLICATIONS
Industrial, Computer & Communications
General purpose clock oscillator
Military & Aerospace
Airborne hybrid computer
Flight recorder
SQXO-2AT OSCILLATOR
500 kHz to 120 MHz
TM
B
E
C
D
A
F
G
3
2
1
BOTTOM VIEW
DIM
INCHES
mm
A
0.380 MAX.
9.65 MAX.
B
0.185 MAX.
4.70 MAX.
C
0.500 MIN.
12.70 MIN.
D
0.029
0.74
E
0.326 MAX.
8.28 MAX
F
0.200 REF.
5.08 REF.
G
45
O
45
O
Note:
1. All metal parts gold plated
2. Leads are 0.019 in.[0.48mm] MAX.
PACKAGE DIMENSIONS
TOP VIEW
OUTPUT WAVE FORM
* Of VDD
V
DD
V
OH
t
r
t
f
0
V
OL
90%*
10%*
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
10128 - Rev D
SPECIFICATIONS
Specifications are typical at 25oC unless otherwise noted.
Specifications are subject to change without notice.
Supply Voltage (V
DD
)
5V 10% (3.3V available)
Calibration
A:
0.01% (100ppm)
Tolerance*
B:
0.03%
C :
0.1%
Frequency Stability*/**
0
O
C to +50
O
C from 5 to 30ppm
(at 5V)
-10
O
C to +70
O
C from 10 to 50ppm
-40
O
C to +85
O
C from 20 to 100ppm
-55
O
C to +125
O
C from 30 to 100ppm
Supply Current
10 mA for 50 MHz
8 mA for 40 MHz
6 mA for 30 MHz
4 mA for 24 MHz
Start-up Time
5 msec. MAX.
Rise/Fall Time
3 nsec. Typ., 6 nsec. MAX.
Duty Cycle*
40% Min., 60% MAX.
Aging, first year
10 ppm MAX.
Shock, survival***
1,000g peak .3 msec., 1/2 sine
Vibration survival
10g rms 10-2000 Hz random
Operating Temperature**** -10
O
C to +70
O
C Commercial
-40
O
C to +85
O
C Industrial
-55
O
C to +125
O
C Military
* Tighter tolerances available for calibration, stability and duty cycle.
** Does not include calibration tolerance.
*** High shock version available.
**** Consult factory for operating temperatures above 125
O
C.
Note: All parameters are measured at ambient temperature
with a 10M
and 15pF load at 5V
+
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+
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+
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+
_
+
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+
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+
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+
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+
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+
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+
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HOW TO ORDER SQXO-2AT CRYSTAL OSCILLATORS
SQXO-2AT
S
32 MHz
(
100ppm
/
100ppm
/
200ppm
/
I
)
* Other calibration fill in ppm
ABSOLUTE MAXIMUM RATINGS
Supply Voltage V
DD
-0.3V to 7.0V
Storage Temperature
-55
O
C to +125
O
C
Maximum Process Temp. 260
O
C, 10 seconds
PIN CONNECTIONS
1.
V
DD
2. Output
3. Ground
TEST CIRCUITS
"S" if special or
custom design.
Blank if Std.
Frequency
Calibration
Tolerance*
@ 25
O
C
(A)
(B)
(C)
Frequency
Stability over
Temp. Range
Total Frequency
Tolerance
Temp. Range:
C = Commercial
I = Industrial
M = Military
S = Specialty
(1) 10 TTL Test Circuit
-
+
Volt
Meter
390
ohms
Oscillator
2
0.1
F
3
15
pF
+mA-
Meter
1
V
DD
-
+
Volt
Meter
Oscillator
2
0.1
F
3
15
pF
+mA-
Meter
1
V
DD
-
+
-
+
(2) HCMOS Test Circuit
PACKAGING
SQXO-2AT - Tray Pack (Standard)
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