Q-Tech QT78 - Manual

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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
QT78 SERIES
HIGH RELIABILITY MINIATURE CRYSTAL CLOCK OSCILLATORS
1.8 to 5.0Vdc - 15kHz to 150MHz
Q-TECH
CORPORATION
QT78 (Revision H, January 2011) (ECO #10085)
Applications
• Designed to meet today’s requirements for low
voltage applications
• Wide military clock applications
• Smart munitions
• Navigation
• Industrial controls
• Microcontroller driver
0.170 MAX.
0.018±.003
(0.46±0.08)
(4.318 MAX.)
0.550±.0.005
(13.970±0.13)
0.350±0.005
(8.89±0.13)
0.100±.005
0.200±.005
(2.54±0.13)
(5.080±0.13)
(7.620±0.13)
(9.525 max.)
P/N
FREQ.
D/C S/N
Q-TECH
4 3
1 2
.130 MAX.
0.300±.005
0.375 max.
3.302 MAX.
Package Specifications and Outline
Dimensions are in inches (mm)
Pin No. Function
1 TRISTATE or NC
2 GND/CASE
3 OUTPUT
4 VDD
0.39
(9.91)
0.13
(3.30)
0.13
(3.30)
0.07
(1.78)
0.20
(5.08)
0.27
(6.86)
• Package material: 90% AL2O3
• Lead material: Kovar
• Lead finish: Gold Plated: 50μ ~ 80μ inches
Nickel Underplate: 100μ ~ 250μ inches
• Weight: 1.1g typ., 3.0g max.
Description
Q-Tech’s surface-mount QT78 Series oscillators consist
of an IC 5Vdc, 3.3Vdc, 2.5Vdc, 1.8Vdc clock square
wave generator and a round AT high-precision quartz
crystal built in a rugged surface-mount ceramic J-lead
miniature package.
Features
• Made in the USA
• ECCN: EAR99
• DFARS 252-225-7014 Compliant:
Electronic Component Exemption
• USML Registration # M17677
• Available as QPL MIL-PRF-55310/27, /28, and /30
• Broad frequency range from 15kHz to 150MHz
• 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
Package Information