2.1 General ...................................................................................................................................................................1
2.2 Government documents ..........................................................................................................................................2
2.2.1 Specifications, standards, and handbooks ...........................................................................................................2
2.2.2 Other Government documents, drawings, and publications .................................................................................2
2.4 Order of precedence ...............................................................................................................................................3
3.1 General ...................................................................................................................................................................3
3.1.1 Reference to applicable device specification........................................................................................................3
3.3.1 Manufacturer's review system ..............................................................................................................................5
3.3.3 Self-assessment program ....................................................................................................................................5
3.3.4 Change control procedures ..................................................................................................................................5
3.3.4.1 Discontinuation of products ...............................................................................................................................5
3.4 Requirements for listing on a QML ..........................................................................................................................5
3.4.1.1 Process capability demonstration......................................................................................................................6
3.4.1.1.1 New technology insertion ...............................................................................................................................6
3.4.1.2 Management and technology validation ............................................................................................................7
3.4.1.3.1 Second and third party validations .................................................................................................................7
3.4.1.3.2 Radiation source of supply (RSS) validations ................................................................................................7
3.4.1.6 Change management system ...........................................................................................................................9
3.4.1.7 Deficiencies and concerns ................................................................................................................................9
3.4.1.8 Letter of certification ..........................................................................................................................................9
3.4.5 Maintenance and retention of QML .................................................................................................................... 10
3.4.6 QML line shutdown ............................................................................................................................................ 10
3.4.8 Performance requirements for class T devices .................................................................................................. 10
3.4.8.1 Class T radiation requirements ....................................................................................................................... 11
3.6 Marking of microcircuits ........................................................................................................................................ 11
3.6.1 Index point.......................................................................................................................................................... 11
3.6.2 Part or identification number (PIN) ..................................................................................................................... 12
3.6.2.2.1 Military designator ........................................................................................................................................ 13
3.6.2.3 Device class designator .................................................................................................................................. 13
3.6.2.4 Case outline .................................................................................................................................................... 13
3.6.2.5 Lead finish ....................................................................................................................................................... 13
3.6.3 Certification mark ............................................................................................................................................... 13
3.6.3.1 QD certification mark ....................................................................................................................................... 13
ii
MIL-PRF-38535K
CONTENTS
PARAGRAPH
PAGE
3.6.3.2 JAN or J mark ................................................................................................................................................. 14
3.6.4.1 Code for assembly sites .................................................................................................................................. 14
3.6.5 Country of origin ................................................................................................................................................. 14
3.6.6 Date code ........................................................................................................................................................... 14
3.6.7 Marking location and sequence.......................................................................................................................... 14
3.6.9 Marking on container.......................................................................................................................................... 15
3.8 Screening and test ................................................................................................................................................ 15
3.12 ESD control ......................................................................................................................................................... 15
3.13 Recycled, recovered, or environmentally preferable materials ............................................................................ 15
3.14 Alternate test requirements ................................................................................................................................. 16
3.15 Passive elements ................................................................................................................................................ 16
6.1 Intended use ......................................................................................................................................................... 34
6.1.1 Class T ............................................................................................................................................................... 34
6.4.2 Element (of a microcircuit or integrated circuit) .................................................................................................. 34
6.4.3 Substrate (of a microcircuit or integrated circuit) ................................................................................................ 35
6.4.5 Production lot ..................................................................................................................................................... 35
6.4.6 Inspection lot ...................................................................................................................................................... 35
6.4.7 Wafer lot ............................................................................................................................................................. 35
6.4.11 Final seal .......................................................................................................................................................... 35
6.4.13 Qualifying activity (QA) ..................................................................................................................................... 36
6.4.14 Parts per million (PPM) .................................................................................................................................... 36
6.4.15 Device type ...................................................................................................................................................... 36
iii
MIL-PRF-38535K
CONTENTS
PARAGRAPH
PAGE
6.4.16 Die type ............................................................................................................................................................ 36
6.4.19 Package family ................................................................................................................................................. 36
6.4.22 Third party design center.................................................................................................................................. 36
6.4.23 Radiation source of supply (RSS) .................................................................................................................... 36
6.4.24 Form ................................................................................................................................................................. 36
6.4.25 Fit ..................................................................................................................................................................... 36
6.4.26 Function ........................................................................................................................................................... 36
6.4.27 Class M ............................................................................................................................................................ 37
6.4.28 Class N............................................................................................................................................................. 37
6.4.29 Class Q ............................................................................................................................................................ 37
6.4.30 Class V ............................................................................................................................................................. 37
6.4.31 Class Y ............................................................................................................................................................. 37
6.4.32 Class B ............................................................................................................................................................. 37
6.4.33 Class S ............................................................................................................................................................. 37
6.4.34 Class T ............................................................................................................................................................. 37
6.4.35 Qualified manufacturer’s line ............................................................................................................................ 37
6.4.36 Test optimization .............................................................................................................................................. 37
6.4.37 Audit team ........................................................................................................................................................ 37
6.4.38 Class level B .................................................................................................................................................... 37
6.4.39 Class level S .................................................................................................................................................... 37
6.4.40 Class level vs Class ......................................................................................................................................... 38
6.4.41 Second party facility ......................................................................................................................................... 38
6.4.42 Third party facility ............................................................................................................................................. 38
6.4.43 New technology................................................................................................................................................ 38
6.4.45 Lot date code ................................................................................................................................................... 38
6.4.46 Storage temperature ........................................................................................................................................ 38
6.7 Subject term (key word) listing .............................................................................................................................. 42
6.8 List of acronyms .................................................................................................................................................... 43
6.9 Environmentally preferable material ...................................................................................................................... 45
6.10 Changes from previous issue .............................................................................................................................. 45
A.2.1 General .............................................................................................................................................................. 46
A.2.2 Government documents..................................................................................................................................... 46
A.2.2.1 Specifications, standards, and handbooks...................................................................................................... 46
A.2.2.2 Other Government documents, drawings, and publications............................................................................ 47
A.2.4 Order of precedence .......................................................................................................................................... 48
A.3.1 General .............................................................................................................................................................. 48
A.3.1.1 Reference to device specification or drawing.................................................................................................. 48
A.3.1.3.2 Element (of a microcircuit or integrated circuit) ............................................................................................ 49
iv
MIL-PRF-38535K
CONTENTS
PARAGRAPH
PAGE
A.3.1.3.3 Substrate (of a microcircuit or integrated circuit).......................................................................................... 49
A.3.1.3.4.4 Film microcircuit (or film integrated circuit)................................................................................................ 49
A.3.1.3.6 Production lot ............................................................................................................................................... 50
A.3.1.3.7 Inspection lot - class level S......................................................................................................................... 50
A.3.1.3.8 Inspection lot - class level B......................................................................................................................... 50
A.3.1.3.9 Inspection sublot - class level S ................................................................................................................... 50
A.3.1.3.10 Inspection lot split - class level B ............................................................................................................... 50
A.3.1.3.11 Wafer lot .................................................................................................................................................... 50
A.3.1.3.12 Package type ............................................................................................................................................. 50
A.3.1.3.13 Microcircuit group ...................................................................................................................................... 50
A.3.1.3.17 Final seal ................................................................................................................................................... 51
A.3.1.3.19 Qualifying activity ....................................................................................................................................... 51
A.3.1.3.20 Device type ................................................................................................................................................ 51
A.3.1.3.21 Die type...................................................................................................................................................... 51
A.3.1.3.29 Die family ................................................................................................................................................... 52
A.3.1.3.30 Package family .......................................................................................................................................... 52
A.3.1.3.31 Military operating temperature range ......................................................................................................... 52
A.3.1.3.32 Process monitor ......................................................................................................................................... 52
A.3.1.3.34 Class level B .............................................................................................................................................. 52
A.3.1.3.35 Class level S .............................................................................................................................................. 52
A.3.2.1 Electrical test requirements............................................................................................................................. 52
A.3.2.2.1 Example C of C............................................................................................................................................ 53
A.3.2.2.2 Die evaluation requirements ........................................................................................................................ 54
A.3.3 Classification of requirements ............................................................................................................................ 54
A.3.3.1 Certification of conformance and acquisition traceability ................................................................................ 55
A.3.4.1.2.3 Die attachment.......................................................................................................................................... 56
A.3.4.1.2.4 Lid seal ..................................................................................................................................................... 56
A.3.4.1.2.6 Lead trimming and final lead finish thickness............................................................................................ 57
A.3.4.1.3 Qualification to RHA levels .......................................................................................................................... 57
This application note introduces how to use the MSP430 clock to design an interface with AD.The most important thing is that it can help understand the clock characteristics and working principles of ...
[align=left][color=#000][size=3]In the world of the Internet of Everything, more and more electronic devices that can understand voice content are gradually coming into our sight. In devices such as s...
[i=s]This post was last edited by dcexpert on 2020-10-3 17:59[/i]The effect after installing the touch spring and fixing it with hot melt glue. When applying glue, use a USB cable to assist to avoid a...
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]