Q-Tech QT488 - 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
QT481 AND QT488 SERIES
ULTRA-LOW CURRENT REAL TIME CLOCK OSCILLATORS
2.5Vdc and 3.3Vdc - 32.768kHz
Q-TECH
CORPORATION
QPDS-0008 (Revision A, June 2013) (ECO # 10907)
Description
Q-Tech’s leaded or surface-mount miniature QT481 and
QT488 oscillators consist of an IC 2.5Vdc and 3.3Vdc,
clock square wave generator and a miniature round or
strip AT quartz crystal built in a low profile ceramic
package with gold plated contact terminals.
Features
• Made in the USA
• ECCN: EAR99
• +3.3Vdc or +2.5Vdc operation
• 32.768kHz square wave CMOS output
• Wide operating temperature (*)
• Stand-by function:
High Impedance in stand-by mode oscillator stops
• Excellent AT cut crystal temperature characteristics
• Tristate output option (D)
• Fundamental design
• Able to meet 36,000g shock half-sine
• Fast Start-up time
• RoHS compliant
(*) Available in high temperature for down-hole
application. Call Q-Tech for details
Applications
• Real-time clock driver
• 32.768kHz output crystal modules
Package Information
• Package material: 91% AL2O3
• Lead material: Kovar
• Lead finish:
Gold Plated: 50μ ~ 80μ inches
Nickel Underplate: 100μ ~ 250μ inches
• Weight: 0.6g typ., 3.0g max.