SQXO-2AT OSCILLATOR
500 kHz to 120 MHz
™
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
PACKAGE DIMENSIONS
A
E
B
C
D
TOP VIEW
APPLICATIONS
Industrial, Computer & Communications
General purpose clock oscillator
Military & Aerospace
Airborne hybrid computer
Flight recorder
G
F
OUTPUT WAVE FORM
3
2
1
V
DD
V
OH
BOTTOM VIEW
90%*
DIM
INCHES
0.380 MAX.
0.185 MAX.
0.500 MIN.
0.029
0.326 MAX.
0.200 REF.
45
O
mm
9.65 MAX.
4.70 MAX.
12.70 MIN.
0.74
8.28 MAX
5.08 REF.
45
O
V
OL
0
10%*
A
B
t
r
t
f
C
D
E
F
G
* Of VDD
Note:
1. All metal parts gold plated
2. Leads are 0.019 in.[0.48mm] MAX.
10128 - Rev D
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Specifications are typical at 25oC unless otherwise noted.
Specifications are subject to change without notice.
Supply Voltage (V
DD
)
Calibration
Tolerance*
_
5V
+
10% (3.3V available)
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
A:
B:
C:
+
_
+
_
+
_
0.01% (100ppm)
0.03%
0.1%
+
_
+
_
+
_
+
_
PIN CONNECTIONS
Frequency Stability*/**
(at 5V)
0
O
C to +50
O
C from
-10
O
C to +70
O
C from
-40
O
C to +85
O
C from
-55
O
C to +125
O
C from
5 to
10 to
20 to
30 to
+
_
+
_
+
_
+
_
30ppm
50ppm
100ppm
100ppm
V
DD
2. Output
3. Ground
1.
Supply Current
10 mA for 50 MHz
8 mA for 40 MHz
6 mA for 30 MHz
4 mA for 24 MHz
TEST CIRCUITS
Start-up Time
Rise/Fall Time
Duty Cycle*
Aging, first year
Shock, survival***
Vibration survival
5 msec. MAX.
3 nsec. Typ., 6 nsec. MAX.
40% Min., 60% MAX.
10 ppm MAX.
1,000g peak .3 msec., 1/2 sine
10g rms 10-2000 Hz random
O
O
(1) 10 TTL Test Circuit
+mA-
Meter
1
2
Oscillator
390
ohms
+
-
V
DD
+
-
Volt
Meter
0.1
F
15
pF
3
Operating Temperature**** -10 C to +70 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
(2) HCMOS Test Circuit
+mA-
Meter
1
2
Oscillator
+
-
V
DD
+
-
Volt
Meter
0.1
F
15
pF
3
PACKAGING
SQXO-2AT - Tray Pack (Standard)
HOW TO ORDER SQXO-2AT CRYSTAL OSCILLATORS
SQXO-2AT
S
“S” if special or
custom design.
Blank if Std.
32 MHz
Frequency
(
100ppm
Calibration
Tolerance*
@ 25
O
C
(A)
(B)
(C)
/
100ppm
Frequency
Stability over
Temp. Range
/
200ppm
Total Frequency
Tolerance
/
I
)
Temp. Range:
C = Commercial
I = Industrial
M = Military
S = Specialty
* Other calibration fill in ppm
10128 - Rev D
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
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