Q-Tech QT802 Square Wave - Manual (Page 2)

QT801 and QT802 Square-Wave
24 pin DDIP
REV.
Q-TECH Corporation
10150 W. Jefferson Blvd.
Culver City, CA 90232
SIZE
A
CAGE NO.
51774
Sheet 2 of 10 D
1.0 SCOPE
This specification establishes the detail requirements for low profile hybrid, hermetically sealed,
HCMOS output temperature compensated crystal oscillators (TCXO) for use in space flight missions
2.0 APPLICABLE DOCUMENTS
The following documents of the latest issue form a part of this drawing to the extent specified herein.
2.1 Specifications and Standards
SPECIFICATIONS
MILITARY
MIL-S-19500 Semiconductor Devices, General Specification For
MIL-PRF-55310 Crystal Oscillators, General Specification For
MIL-PRF-38535 Integrated Circuits, (Microcircuits) Manufacturing, General Specification For
MIL-PRF-38534 Hybrid Microcircuits, General Specification For
STANDARDS
MILITARY
MIL-STD-202 Test Methods for Electronic and Electrical Component Parts
MIL-STD-883 Test Methods and Procedures for Microelectronics
MIL-STD-1686 Electrostatic Discharge Control Program for Protection of Electrical and Electronics Parts,
Assemblies and Equipment.
2.2 Conflicting Requirements
In the event of conflict between requirements of this specification and other requirements of the
applicable detail drawing, the precedence in which requirements shall govern, in descending order, is
as follows:
a) Applicable Customer purchase order.
b) Applicable detail drawing.
c) This specification.
d) Other specifications or standards referenced in 2.1 herein.
2.3 Customer Purchase Order Special Requirements
Additional special requirements shall be specified in the applicable Customer purchase order when
additional requirements or modifications specified herein are needed for compliance to special
program or product line requirements.
3.0 PERFORMANCE REQUIREMENTS
3.1 General Definition
The TCXO is a high reliability signal generator that provides a square-wave output. The TCXO has
been designed to operate in a spaceflight environment with an expected lifetime in excess of 15 years.
Lifetime is defined as the sum of operational and storage environments.
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