SQXO-2 OSCILLATOR
10 kHz to 2 MHz
™
DESCRIPTION
STATEK’s SQXO-2 crystal oscillator consists of a TTL
and CMOS-compatible hybrid circuit and a STATEK
miniature quartz crystal packaged in a hermetically-sealed
3-pin TO-39 package.
FEATURES
CMOS and TTL compatible
Low power
Low EMI emission
Wide temperature range
Full military testing available
Hermetically sealed
PACKAGE DIMENSIONS
A
E
B
TOP VIEW
APPLICATIONS
Industrial, Computer & Communications
General purpose clock oscillator
MWD (measurement while drilling)
Military & Aerospace
Airborne hybrid computer
Flight recorder
C
D
G
F
3
2
1
BOTTOM VIEW
OUTPUT WAVE FORM
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
DD
V
OH
A
90%*
10%*
B
C
D
E
F
V
OL
0
t
r
t
f
* Of VDD
G
Note:
1. All metal parts gold plated
2. Leads are 0.019 in.[0.48mm] MAX.
10131 - Rev C
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
-0.5V to 7.0V
Storage Temperature
-55
O
C to +125
O
C
Maximum Process Temp. 260
O
C, 10 seconds
PIN CONNECTIONS
A:
B:
C:
+
_
+
_
+
_
0.01% (100ppm)
0.03%
0.10%
V
DD
2. Output
3. Ground
1.
PACKAGING
Supply Current
Turning Point (T
O
)**
Temp. Coefficient (k)
Duty Cycle*
Rise/Fall Time
Aging, first year
Shock, survival
Below 600 kHz
Figure 1
Figure 2
-0.035 ppm/
0
C
2
40% Min., 60% MAX.
0.2 sec. MAX.
10 ppm MAX.
FIGURE 1.
TYPICAL SUPPLY CURRENT (mA) @ 5V
SQXO-2 - Tray Pack (Standard)
1,000g peak .3 msec., 1/2 sine
Vibration survival
10g rms 10-2000 Hz random
O
O
mA
Above 600 kHz
750g peak .3 msec., 1/2 sine
1.0
.9
.8
.7
.6
.5
.4
.3
.2
.1
10
20
50
100
500
1000
5000
2000
Operating Temperature*** -10 C to +70 C Commercial
-40
O
C to +85
O
C Industrial
-55 C to +125 C Military
* Tighter tolerances available.
** Other turning point 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
O
O
Frequency (kHz)
FIGURE 2.
TYPICAL TURNING POINT TEMPERATURE (T )
0
+80
+70
+60
+50
+40
+30
+20
+10
0
-10
-20
10
T
0
(
O
C)
20
50 100
500
1000
5000
2000
Frequency (kHz)
Note: Frequency (f) deviation from frequency (f
O
) @ turning point
temperature (T
O
):
2
f-f
O
= k(T-T )
O
f
O
HOW TO ORDER SQXO-2 CRYSTAL OSCILLATORS
SQXO-2
S
“S” if special or
custom design.
Blank if Std.
*Other calibration fill in ppm
Frequencies other than 32.768 kHz
_
A:
+
0.01%
_
B:
+
0.03%
_
C:
+
0.1%
10 kHz
Frequency
(
A
Calibration
Tolerance*
@25
O
C
(A)
(B)
(C)
/
I
Temp. Range:
C = Commercial
I = Industrial
M = Military
S = Specify
)
10131 - Rev C
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
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