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QT21-R-5-M-20.000MHZ

Description
LVHCMOS Output Clock Oscillator, 20MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, METAL PACKAGE-20
CategoryPassive components    oscillator   
File Size528KB,6 Pages
ManufacturerQ-TECH Corporation
Environmental Compliance  
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QT21-R-5-M-20.000MHZ Overview

LVHCMOS Output Clock Oscillator, 20MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, METAL PACKAGE-20

QT21-R-5-M-20.000MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1502567951
Reach Compliance Codecompliant
Country Of OriginUSA
YTEOL6.2
maximum descent time6 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
JESD-609 codee4
Installation featuresSURFACE MOUNT
Number of terminals20
Nominal operating frequency20 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Oscillator typeLVHCMOS
Output load10 KOHM, 15 pF
physical size15.88mm x 15.88mm x 3.56mm
longest rise time6 ns
Nominal supply voltage1.8 V
surface mountYES
maximum symmetry40/60 %
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
FLAT PACK
Q-TECH
CORPORATION
CRYSTAL CLOCK OSCILLATORS
-5.2 to -4.5Vdc & 1.8 to 15Vdc - 0.12Hz to 200MHz
Description
Q-Tech’s flat pack crystal oscillators consist of a source
clock square wave generator, logic output buffers
and/or logic divider stages, and a round A high-
T
precision quartz crystal built in an all metal flat
package.
Features
• Made in the USA
• ECCN: EAR99
• DFARS 252-225-7014 Compliant:
Electronic Component Exemption
• Wide frequency range from 0.12Hz to 200MHz
• Available as QPL MIL-PRF-55310/21 (TTL)
QT24 only
• Choice of flat packs and pin outs
• Choice of supply voltages
• Choice of output logic options
• A
T-Cut crystal
• All metal hermetically sealed package
• Tight or custom symmetry available
• Capacitive load drive capability (Z output)
• Low height
• External tuning capacitor option
• Fundamental and third overtone designs
• Tristate function option D
• Three-point crystal mounts
• Custom design available tailors to meet
customer’s needs
• Q-Tech does not use pure lead or pure tin in its
products
Ordering Information
Sample part number
QT 24 A CD 1 0M - 2 0. 00 0 M Hz
QT 24 AC D 10 M - 20.000MHz
T = Standard
S = Solder Dip (*)
Model #
(See page 3)
C
AC
HC
T
L
N
R
E
EH
EF
PE
LP
Z
=
=
=
=
=
=
=
=
=
=
=
=
=
CMOS +5V to +15V (**)
ACMOS +5V
HCMOS +5V
TTL +5V
LVHCMOS +3.3V
LVHCMOS +2.5V
LVHCMOS +1.8V
10K ECL -5.2V
10KH ECL -5.2V
100K/300K ECL -4.5V
PECL +5V
PECL +3.3V
Z output
Screened to
MIL-PRF-55310,level B
(Left blank if no screening)
Output frequency
Tristate Option D
(Left blank if no Tristate)
1=
4=
5=
6=
9=
10 =
11 =
12 =
± 100ppm at
0ºC to +70ºC
± 50ppm at
0ºC to +70ºC
± 25ppm at -20ºC to +70ºC
± 50ppm at -55ºC to +105ºC
± 50ppm at -55ºC to +125ºC
± 100ppm at -55ºC to +125ºC
± 50ppm at -40ºC to +85ºC
± 100ppm at -40ºC to +85ºC
(*) Hot Solder Dip Sn60 per MIL-PRF 55310 is optional for an additional cost
(**) Please specify supply voltage when ordering CMOS
For frequency stability vs. temperature options not listed herein, request a custom
part number.
Applications
• Designed to meet today’s requirements for all
voltage applications
• Wide military clock applications
• Industrial controls
• Microcontroller driver
For Non-Standard requirements, contact Q-Tech Corporation at
Sales@Q-Tech.com
Packaging Options
• Standard packaging in a locked anti-static cardboard
Other Options Available For An Additional Charge
• Lead forming available on all packages. Please contact for details.
• P. I. N. D. test (MIL-STD 883, Method 2020)
• Lead trimming
All Flat Pack packages are available in surface mount form.
Specifications subject to change without prior notice.
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-te ch.com
Flat Pack (Revision F, August 2010) (ECO# 9934)
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