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QT178L-15-70.000MHZ

Description
LVHCMOS Output Clock Oscillator, 70MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN
CategoryPassive components    oscillator   
File Size710KB,7 Pages
ManufacturerQ-TECH Corporation
Environmental Compliance  
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QT178L-15-70.000MHZ Overview

LVHCMOS Output Clock Oscillator, 70MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN

QT178L-15-70.000MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerQ-TECH Corporation
package instructionROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN
Reach Compliance Codecompliant
Other featuresTRISTATE; TUBE; TAPE AND REEL
maximum descent time6 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
JESD-609 codee4
Manufacturer's serial numberQT178L
Installation featuresSURFACE MOUNT
Nominal operating frequency70 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeLVHCMOS
Output load15 pF
physical size13.97mm x 8.89mm x 4.318mm
longest rise time6 ns
Maximum supply voltage3.63 V
Minimum supply voltage2.97 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry40/60 %
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
CLASS B+ PRODUCTS
Q-TECH
CORPORATION
Features
CRYSTAL CLOCK OSCILLATORS
3.3 to 5.0Vdc - 450kHz to 85MHz
• Made in the USA
• ECCN: EAR99
• DFARS 252-225-7014 Compliant:
Electronic Component Exemption
• USML Registration # M17677
• Broad frequency range from 450kHz to 85MHz
• Rugged 4 point mount design for high shock and
vibration
• ACMOS, HCMOS, TTL or LVHCMOS logic
• Tri-State Output Option (D)
• Hermetically sealed ceramic SMD package
• Fundamental and 3rd Overtone designs
• Low phase noise
• Custom designs available
• Q-Tech does not use pure lead or pure tin in its
products
• RoHS compliant
Introduction
The commercial satellite industry has requested that smaller, lighter, less
expensive oscillator products with shorter lead times be made available
for minisatellites, microsatellites, nanosatellites and picosatellites. In
addition some newer satellite programs are being created for short term
space lives and do not need oscillators with the assurance of a 15-20 year
life span.
Q-Tech Corporation, the industry leader in both Class B and Space Rated
hybrid crystal oscillators is pleased to advise that we have created a
special category of product designated as Class B+ for these applications.
See website for link to RAD test data.
We have created these Class B+ products for the discriminate user’s
applications and needs using our small form MIL QPL Class B oscillators.
You, the customer, can now pick and choose the style of clock oscillator
you wish, whether you want a 100kRad (Si) High Dose Tolerant NSC
54ACT3301 (FACT) or a standard Class B qualified die, a swept quartz
space qualified crystal or a Class B cultured quartz crystal and/or a
combination thereof in an oscillator product that otherwise utilizes Class
B qualified passive devices. Q-Tech offers several different screening
options to allow you to choose the screening plan that best suits your
needs.
Q-Tech Corporation does not guarantee the specific radiation hardness
of its Class B+ products but will provide the necessary active device
component traceability to allow you to make your own decision and do
your own testing and evaluation based upon your specific needs and
requirements.
Initially we will begin this product offering in three of our leading
miniature clock oscillator product lines: QT78 (M55310/27, /28 & /30) ,
QT88 (M55310/33 & /34) and QT92 (M55310/37 & /38). Product will
be available in 5.0 and 3.3 Vdc from 450kHz to 85MHZ. Please consult
the factory if you would like to know if this option is available in other
standard Q-Tech Class B product lines or if you have any other specific
oscillator needs that we can help you with.
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
Class B+ Products (Revision -, April 2009)
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