Q-Tech QT28 User Manual
Q-tech, Flat pack, Description
1
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
FLAT PACK
CRYSTAL CLOCK OSCILLATORS
-5.2 to -4.5Vdc & 1.8 to 15Vdc - 0.12Hz to 200MHz
Flat Pack (Revision F, August 2010 ) (ECO# 9934)
Q-TECH
CORPORATION
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 AT high-
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
• USML Registration # M17677
• 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
• AT-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
• RoHS compliant
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
Specifications subject to change without prior notice.
All Flat Pack packages are available in surface mount form.
Packaging Options
Other Options Available For An Additional Charge
• Standard packaging in a locked anti-static cardboard
• Lead forming available on all packages. Please contact for details.
• P. I. N. D. test (MIL-STD 883, Method 2020)
• Lead trimming
For frequency stability vs. temperature options not listed herein, request a custom
part number.
Ordering Information
Output frequency
Screened to
MIL-PRF-55310,level B
(Left blank if no screening)
1 = ± 100ppm at
0ºC to +70ºC
4 = ±
50ppm at
0ºC to +70ºC
5 = ±
25ppm at -20ºC to +70ºC
6 = ±
50ppm at -55ºC to +105ºC
9 = ±
50ppm at -55ºC to +125ºC
10 = ± 100ppm at -55ºC to +125ºC
11 = ±
50ppm at -40ºC to +85ºC
12 = ± 100ppm at -40ºC to +85ºC
Tristate Option D
(Left blank if no Tristate)
C
= CMOS +5V to +15V (**)
AC = ACMOS +5V
HC = HCMOS +5V
T
= TTL +5V
L
= LVHCMOS +3.3V
N
= LVHCMOS +2.5V
R
= LVHCMOS +1.8V
E
= 10K ECL -5.2V
EH = 10KH ECL -5.2V
EF
= 100K/300K ECL -4.5V
PE
= PECL +5V
LP
= PECL +3.3V
Z
= Z output
QT24ACD10M-20.000MHz
QT 24 AC D 10 M - 20.000MHz
Sample part number
(**) Please specify supply voltage when ordering CMOS
(*) Hot Solder Dip Sn60 per MIL-PRF 55310 is optional for an additional cost
T = Standard
S = Solder Dip (*)
Model #
(See page 3)