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LXOM-AT OSCILLATOR
500 kHz to 120 MHz
TM
Low Power Crystal Oscillator
DESCRIPTION
The LXOM-AT consists of a TTL and CMOS-compatible hybrid circuit and a miniature quartz crystal packaged in a hermetically-sealed metal DIP. Permanent, precision tuning and a hermetically sealed AT quartz crystal allows for very tight calibration tolerance and eliminates the need for a tuning capacitor, a major source of long-term frequency drift.
2k 2T-3
FEATURES
Low aging CMOS and TTL compatible Double hermetically sealed package Full military testing available 3 Volt operation also available Optional Tri-State or Output Enable
C F
APPLICATIONS PACKAGE DIMENSIONS
D
E
H PIN NO.1
G PIN NO.4
Industrial, Computer & Communications General purpose clock oscillator Military Flight recorder
A
B
OUTPUT WAVE FORM
PIN NO.8
PIN NO.5
VDD VOH
90%* 10%*
DIM A B C
INCHES 0.505 MAX.
_ 0.300 + 0.005
mm 12.83 MAX.
_ 7.62 + 0.13
VOL 0
0.430 TYP. 0.225 MAX. 0.025 MAX. 0.150 MIN.
_ 0.018 + 0.002
10.92 TYP. 5.72 MAX. 0.64 TYP. 3.81 MIN.
_ 0.46 + 0.05
* Of VDD
tr
tf
D E F G
PACKAGING
H
0.063 TYP.
1.60 TYP.
LXOM-AT - Tube Pack (Standard)
* Position of bumps for reference only
10118 - 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 (VDD) Calibration Tolerance (@ 5V)*
_ 5V + 5% (3.3V available)
Supply Voltage VDD Storage Temperature
-0.3V to 7V -55OC to +125OC
A: B: C:
+ _ + _ + _
O
0.01% (100ppm) 0.03% 0.10%
+ _ + _ + _
TRUTH TABLE
PIN 1* LXOM-AT-8E LXOM-AT-2E LXOM-AT-10T Low (0) High (1) Low (0) High (1) Low (0) High (1)
* Normally high (internal pull-up resistor)
PIN 5 High (1) Freq. Output Low (0) Freq. Output High (Z) Freq. Output
Frequency -Temperature Stability*/**
0 C to +50OC from -10OC to +70OC from -40OC to +85OC from -55OC to +125OC from
5 to 10 to 20 to 30 to
+ _ + _ + _ + _
30ppm 50ppm 100ppm 100ppm
+ _
Supply Current Output Levels TTL CMOS Start-up Time Rise/Fall Time Duty Cycle* Aging, first year Shock, survival Vibration survival
4 mA to 60 mA (Depending on freq.) VOL 0.4V MAX. 0.5V MAX. 5 msec. MAX. 6 nsec. Typ., 10 nsec. MAX. 40% Min., 60% MAX. 5 ppm MAX. 1,000g peak 1 msec., 1/2 sine 10g rms 10-2000 Hz random VOH 2.4V MIN. 4.5V MIN.
ENABLE VS. TRI-STATE
Enable: When pin 1 is low (0), the oscillator stops oscillation. Tri-state: When pin 1 is low, the oscillator is running. However, the output buffer amplifier stops functioning and output is in high impedance (Z) state. Enable Current consumption when pin 1 is low Output recovery delay when pin 1 changes from low (0) to high (1) Low Delayed Tri-state High Immediate
Operating Temperature -10OC to +70OC Commercial -40OC to +85OC Industrial -55OC to +125OC Military Storage Temperature -55OC to +125OC
PIN CONNECTIONS
Pin Connection 1. 4. Ground Output
___
Output Enable, INH (Tri-State) or NC
* Tighter tolerances available for calibration, stability and duty cycle. ** Does not include calibration tolerance. Note: All parameters are measured at ambient temperature with a 10M and 10pF load at 5V
5. 8.
VDD
HOW TO ORDER LXOM-AT CRYSTAL OSCILLATORS LXOM-AT "S" if special or custom design. Blank if Std. S 10 T 32 MHz E = Enable T = Tri-State N = Neither Frequency
* Other calibration fill in ppm
(
100ppm Calibration Tolerance* @ 250C (A) (B) (C)
/
100ppm Frequency Stability over Temp. Range
/
200ppm Total Frequency Tolerance
/
I Temp. Range: C = Commercial I = Industrial M = Military S = Specify
)
2 = 2 LS TTL Load 8=8 TTL Load 10 =10 TTL Load
10118 - 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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