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Q-Tech QT28 User Manual

Q-tech, Flat pack, Description

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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

[email protected]

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)