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LHGAT2CTSM120.0M,20/100/-/I

Description
CMOS Output Clock Oscillator, 20MHz Nom, HERMETIC SEALED, CERAMIC PACKAGE-4
CategoryPassive components    oscillator   
File Size251KB,2 Pages
ManufacturerSTATEK CORPORATION
Websitehttp://www.statek.com/
Environmental Compliance  
Download Datasheet Parametric View All

LHGAT2CTSM120.0M,20/100/-/I Overview

CMOS Output Clock Oscillator, 20MHz Nom, HERMETIC SEALED, CERAMIC PACKAGE-4

LHGAT2CTSM120.0M,20/100/-/I Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1310676677
Reach Compliance Codecompliant
Other featuresTRI-STATE; ENABLE/DISABLE FUNCTION; TUBE
maximum descent time8 ns
Frequency Adjustment - MechanicalNO
frequency stability100%
JESD-609 codee4
Manufacturer's serial numberLHGAT
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency20 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeCMOS
Output load15 pF
physical size7.14mm x 5.13mm x 1.78mm
longest rise time8 ns
Nominal supply voltage2.5 V
surface mountNO
maximum symmetry60/40 %
Terminal surfaceGold (Au)

LHGAT2CTSM120.0M,20/100/-/I Preview

LHGAT OSCILLATOR
Leaded Military Grade/High Shock
320 kHz - 50 MHz
DESCRIPTION
An increasing number of military applications require the use
of leaded (through hole) ceramic packaged oscillators. For
these applications, Statek offers the LHGAT 5x7mm
oscillator. This oscillator is designed to operate over a
temperature range of -55ºC to 125ºC with high shock
survivability.
FEATURES
PIN CONNECTIONS
Full military testing available
Excellent stability over temperature
High shock resistance
CMOS output / output enable/disable
Double hermetically sealed package option
Hermetically sealed ceramic package - 5x7mm
Through-hole leaded package
Reduces mechanical and thermal mounting stresses
Robust lead-attach eutectic brazing process
Gold Plated Kovar Leads
APPLICATIONS
1.
2.
3.
4.
Enable/Disable (E) or No Connection (N)
Ground
Output
V
DD
DIMENSIONS
TYPICAL
DIM
A
B
C
D
E
F
G
H
I
J
inches
0.276
0.197
0.065
0.200
0.195
0.200
0.040
0.160
0.028
0.018
mm
7.00
5.00
1.65
5.08
4.90
5.08
1.02
4.06
0.71
0.46
MAX
inches
.281
.202
.070
.205
.205
.205
mm
7.14
5.13
1.78
5.20
5.20
5.20
Military and Aerospace
Navigation / Communications
Avionics applications
Flight recorder
Engine control
PACKAGE DIMENSIONS LHGAT
0.021
0.53
Lead Thickness: 0.008 ±0.001 (0.20mm ±0.03)
Lead Plating: Gold/Nickel over Kovar
10211 Rev A
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256
www.statek.com
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
O
Specifications are typical at 25 C unless otherwise noted.
Specifications are subject to change without notice. Tighter
specifications available. Please contact factory.
Supply Voltages
1
Calibration Tolerance
Frequency Stability
Over Temperature
2
Total Frequency
3
Tolerance
Supply Current (Typical)
1.8 V to 5.0 V
± 20 ppm and up
± 100 ppm to ±40 ppm (Military)
± 100 ppm to ±30 ppm (Industrial)
± 50 ppm to ±15 ppm (Commercial)
± 100 ppm for Military
± 50 ppm for Industrial
± 30 ppm for Commercial
5.0 V
3.3 V
24 MHz
3.0 mA
8.0 mA
32 MHz
5.0 mA
10 mA
40 MHz
5.5 mA
12 mA
50 MHz
6.0 mA
13 mA
Supply Voltage V
DD
Storage Temperature
Maximum Process Temperature
-0.5 V to 7.0 V*
-55
O
C to +125
O
C
260
O
C for 20 seconds
*The supply voltage range is -0.5 V to +4.0 V for some products. Contact Factory.
ENABLE/DISABLE OPTIONS (E/N)
Statek offers three enable/disable options: E, T, and N.
Both the E-version and T-version have Tri-State outputs and
differ in whether the oscillator continues to run internally
when the output is put into the high Z state: it stops in the
E-version and continues to run in the T-version. So, the E-
version offers very low current consumption when the
oscillator is disabled and the T-version offers very fast output
recovery when the oscillator is re-enabled. The N-version
does not have PIN 1 connected internally and so has no
enable/disable capability. The following table summarizes
the three options.
COMPARISON OF
ENABLE/DISABLE OPTIONS E AND T
Output Load (CMOS)
Start-up Time
Rise/Fall Time
Duty Cycle
4
Aging, first year
Shock, survival
5
15 pF
5 ms MAX
4 ns TYP, 8 ns MAX
40% MIN, 60% MAX
5 ppm
Std: 5,000 g, 0.5 ms,
1
/
2
sine
HG: up to 30,000 g, 0.5 ms,
1
/
2
sine
Vibration, survival
20 g, 10-2,000 Hz swept sine
Operating Temp Ranges
6
-55
O
C to +125
O
C (Military)
-40
O
C to +85
O
C (Industrial)
-10
O
C to + 70
O
C (Commercial)
1. Not all frequencies are available in certain voltages. Contact factory for details.
2. Does not include calibration tolerance.
3. Tighter tolerances available; Does not include aging.
4. Tighter Duty Cycles available. Contact factory.
5. Contact factory for requirements above 30,000 g.
E
T
7
When enabled (PIN 1 is high*)
Output
Oscillator
Current consumption
Freq. output
Oscillates
Normal
Freq. output
Oscillates
Normal
When disabled (PIN 1 is low)
Output
Oscillator
Current consumption
High Z state
Stops
Very low
High Z state
Oscillates
Lower than normal
6. Higher temp available (up to 200
O
C). Contact factory.
Note: All parameters are measured at ambient temperature with a 10 MΩ, 15 pF load.
When re-enabled (PIN 1 changes from low to high)
Output recovery
Delayed
Immediate
PACKAGING OPTIONS
7. The T-version is not available for all frequencies. Contact factory.
LHGAT - Tube Pack (Standard)
HOW TO ORDER LHGAT OSCILLATORS
LHGAT
4
Supply Voltage
1 = 1.8 V
2 = 2.5 V
3 = 3.0 V
4 = 3.3 V
5 = 5.0 V
*
When PIN 1 is allowed to float, it is held high by an internal pull-up resistor.
B
“S” if special or
custom design.
Blank if Std.
Shock Level
A = 5,000 g
B = 10,000 g
C = 20,000 g
D = 30,000 g
E
Enable/Disable
Option
E, T or N
SM5
Terminations
Blank = SM1
= Gold Plated
SM3 = Solder Dipped
SM5 = Solder Dipped
(Lead Free)
20.0M
Frequency
M = MHz
K = kHz
,
50
Calibration
Tolerance
@ 25
0
C
(in ppm)
/
50
Frequency
Stability over
Temp. Range
(in ppm)
/
/
M
Temperature Range:
C = -10
O
C to +70
O
C
I
= -40
O
C to +85
O
C
M = -55
O
C to +125
O
C
S = Customer Specified
OR
Note: The LHGAT oscillator with SM1 or SM5
termination is Pb free. The LHGAT oscillator with
SM3 termination contains Pb.
/
/
100
Total
Frequency
Tolerance
(in ppm)
/
M
Temperature Range:
C = -10
O
C to +70
O
C
I
= -40
O
C to +85
O
C
M = -55
O
C to +125
O
C
S = Customer Specified
10211 Rev A
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256
www.statek.com
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