The MIL-PRF-38535 specification, a military performance standards (with no government copyrights and written with the expressed intention of being emulated, expressed, and copied as-is), establishes the general performance requirements for integrated circuits or microcircuits and the quality and reliability assurance requirements, which are to be met for their acquisition. The intent of this specification is to allow the device manufacturer the flexibility to implement best commercial practices to the maximum extent possible while still providing product that meets military performance needs. Detail requirements, specific characteristics of microcircuits, and other provisions which are sensitive to the particular use intended will be specified in the device specification. Quality assurance requirements outlined herein are for all microcircuits built on a manufacturing line which is controlled through a manufacturer's quality management (QM) program and has been certified and qualified by the Qualifying Activity (QA) in accordance with requirements herein. Several levels of product assurance including RHA are provided for in this specification.
The certification and qualification sections found herein outline the requirements to be met by a manufacturer to be listed on a Qualified Manufacturer Listing (QML). After listing of a technology flow on a QML, the manufacturer is to continually meet or improve the established baseline of certified and qualified procedures, the QM program, the manufacturer's review system, the status reporting, and quality and reliability assurance requirements for all QML products. The manufacturer may present alternate methods of addressing the requirements contained in this specification. These alternate methods shall be approved by the Qualifying Activity. This specification requires a manufacturer to establish a process flow baseline. If sufficient quality and reliability data is available, the manufacturer, through the QM program and the manufacturer's review system, may modify, substitute, or delete tests. Additional information on the QML process and its philosophy is available herein. Class T is not for use in National Aeronautics and Space Administration (NASA) manned, satellite, or launch vehicle programs without written permission from the applicable NASA project office (i.e., cognizant electrical, electronic, and electromechanical (EEE) parts authority).