1、MIL-DTL-62739A = 9999906 2059373 82b W I INCH-POUND 23 Januaq 1998 SUPERSEDING 16 March 1992 MIL-DTL-62739A(AT) MIL-P-6273 9(AT) DETAIL SPECIFICATION PRINTED WIRING ASSEMBLY, CLOCWDISPLAY DRIVER This specification is approved for use by the U.S. Army Tank-automotive and Armaments Command, Department
2、 of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a CloclDisplay Driver Printed Wiring Assembly referred to herein as the PWA. This is one of six printed wiring assemblies which comprise the Simplified T
3、est Equipmenthternal Combustion Engine-Reprogrammable (STEACE-R) Vehicle Test Meter (VTM) (see Drawing 12259265). 2. APPLICABLE DOCUMENTS 2.1 General, The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other
4、sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirement documents cited in sections 3 and 4 of this specification, whe
5、ther or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-EBLUE, Warren, Mz 48397-5000, by using the Standardiz
6、ation Document Improvement Proposal D Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 5998 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
7、 MIL-DTL-62739A . MIL-DTL-62739A(AT) 2.2 Government documents. 2.2.1 Specifications. standards. and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those liste
8、d in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). STANDARDS DEPARTMENT OF DEFENSE MIL-STD-8 10 - Environmental Test Methods and Engineering Guidelines (see 4.2. i). (Unless otherwise indicated, copi
9、es of the above specifications, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 1 9 1 1 1 -5 094.) 2.2.2 Other Govemment documents. drawings. and publications. The following other Government documents, drawings, a
10、nd publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS. ARMY 1225878 - Printed Wiring Assembly, ClocMDisplay Dr ver. (Copies of these drawings are available from the U.S. Army Tank-automotive a
11、nd Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000.) 2.3 Non-Government Publications. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of
12、the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-DTL-62739A
13、9999906 2059375 bT9 Source Voltage Pl-5,6 5 Vdc L/ MIL-DTL-6273 9A(AT) Current 285 mAS/ AMERTCAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI/IPC J-STD-O0 1 - Requirements for Soldered Electrical and Electronic Assemblies. (Application for copies should be addressed to the American National Standards In
14、stitute (ANSI), 11 West 42nd Street, New York, NY 10036.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothhg in this document, however, supersedes .applicable laws and regulations u
15、nless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.1.1. 3.2 Desim materials. and manufacturing processes. Design, materials, and manufacturing process selection shall
16、be as specified herein and in applicable referenced specifications, standards, and drawings, Materials shall be uniform and fiee -0/+1 where: Fin = the fiequency of the clock signai applied to P1-45 and (16384Ein) Trun (26214OFin). Trun shall be accurate and repeatable to five decimal places. 3.3.6
17、Automated testing eauhment (ATE) test. The PWA shail pass TACOM approved ATE test installed in TACOM approved ATE or equivalent. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6273 9A(AT) 3.3.7 Soldering. Soldering shall meet or exceed the
18、 requirements of ANSI/IPC J-STD-O01 (see 4.2). 3.4 Interface requirements. Each PWA shall accommodate the following requirements. 3.4.1 PWA overall envelope. Overall envelope of the PWA shall be in accordance with Drawing 12258780. 3.5 Ownership and support reauirements. 3.5.1 Interchanneability . I
19、nterchangeability tolerances should permit parts, subassemblies and assemblies to be used in their parent assemblies without regard to the source of supply or manufacturer. Parts, subassemblies and assemblies having the fli range of dimensions and characteristics permitted by the specification gover
20、ning the part, subassembly or assembly should be usable as replacement items without selection and without departure fiom the specified performance guidelines of the parent items. 3 S.2 Identification marking. Unless otherwise specified (see 6.2), identification marking shail be permanent and legibl
21、e and shall include as minimum the following: a. b. d. e. f. C. Nomenclature “PRINTED WIEUNG ASSEMBLY, CLOCWDISPLAY DlUWR” . Military part number. Manufacturers CAGE code and name. Manufacturers serial numbers. Contract number. Symbol “US. 3.6 Operating environment requirements. Each PWA shall opera
22、te under the foliowing environmental conditions without damage or loss of performance. 3.6.1 Temuerature. 3.6.1.1 High temperature (operating). The PWA shall be capable of operation without damage or malfunction at a high temperature of 125 degrees Fahrenheit (“F) (52 degrees Celsius (OC) (without s
23、olar radiation). 3.6.1.2 Low temperature (operating). The PWA shall be capable of operation without damage or malnction at a low temperature of 20F (minus (-) 7C) for ambient temperature below 20F, the test set shall be operated in a shelter. 5 Provided by IHSNot for ResaleNo reproduction or network
24、ing permitted without license from IHS-,-,-MIL-DTL-6273 9A(AT) 3.6.1.3 High temperature (nonoperating). The PWA shall be capable of being stored and transported in its case without damage at an ambient temperature of 160F (71C). 3.6.1.4 Low temperature (nonoperatine). The PWA shall be capable of bei
25、ng stored and transported in its case without damage in ambient temperatures of -60F (-51OC). 3.6.2 Fungus. AU nonmetallic materials that are not inherently fungistatic shall function in a fungus environment without adversely afTecting the operatiodperformance of the PWA 3 6.3 Shock. The PWA shall e
26、vidence no degradation of fimction and meet the requirements of 3.3.1 thru 3.3.6 when subjected to the shocks test. 3.6.4 Vibration. The PWA shall evidence no degradation of function and meet the requirements of 3.3.1 thru 3.3.6 when subjected to the vibration test. 3.6.5 Burn-in. When required (see
27、 6.2), the PWA shall be subjected to and pass a “power on” burn-in prior to the inspections listed in 4.1. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specied herein are classified as follows: a. First article inspection (see 4.1.1). b. Conformance inspections (CI)
28、 (see 4.12)- 4.1.1 First article inspection. First article inspection shall be performed on the initial production-representative PWA of an order or wheniequired by the contract. When a fist article inspection is required (see 6.2 and 6.3), it includes all verifications listed in table II. 4.1.2 Con
29、formance inspection. Conformance inspection shall include those examinations and tests fom table II on all PWA produced as specified in the contract. TABLEII. Y r Design, materiais Gons -*: : MIN. : I I MM i I 250 ns MIN. I BUS 0-7 111 H I Pl-21 THRU 28 I VALID DATA :t- 150nsMIN. Ons +I I . MIN. H=
30、LOGIC LEVEL 1 L= LOGIC LEVEL O FIGURE 2. Waveforms for writing data to all display outputs. 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-DTL-b2739A 99999Ob 2059388 257 IOU4 Pl-32 H I l L I MIN. I I l I I I I I I I H L 260 ns MIN. 0EN-Q Pl-
31、38 I 1 I I I om I I :+ MIN. y I H I I I I I I VALIDAA OnsMIN. ; I 1 I I BUS 0-7 I P1-21 THRU 28 I VALIDDATA 15OMIN. I H= LOGIC LEVEL 1 L= LOGIC mVEL o FIGURE 5. Waveforms for writing data to U5. H I I L 1m/1 P1-29 I I I l I H I 0EN-Q P1-38 260 11s MIN. L I I I I I l I I I I I VALID DATAAVAILABLB RTC
32、LSBYTB PI-21 THRU 28 H- LOGIC LEVEL 1 L=LoGIC LEVEL o FIGURE 8. Waveforms to read real time clock latches. 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0.5000 l-Mol - MIL-DTL-62739A m 9999906 2059393 843 m 0.0200 0.0100 0.0050 ,t MIL-DTL-6273 9
33、A(AT) Test dura tio 120 minutes per 500 miles Oved rms level: 1.98 G I -4. 0.0020 0.0010 5.000 10.0000 20.000 50.000 100.000 200.000 FREQUENCY (Hz) BREAKFINTS REQ 5 6 7 8 10 11 12 13 18 23 24 26 28 32 33 37 49 63 73 98 120 123 138 140 146 159 163 188 200 PSD VALUE 023840 0.16840 0.38230 0.14870 0.16
34、840 0.05930 0.09750 0.04090 0.05370 0.01940 0.03520 0.02310 0.03520 0.01670 0.03110 0.00810 0.02 190 0.00700 0.01 150 0.00660 0.00970 0.00680 0.01340 0.00760 0.02490 0.02820 0.0 1300 0.00480 0.01340 FIGURE 9. Basic transportation composite tactical wheeled environment, vertical axis. 19 Provided by
35、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL-6273 9A(AT) BREAKPOINTS Test Duration: 120 minutes per 500 miles Overailrmslevek 2.54G 1 .o00 0.5000 0.0020t 0.0010 I I I I I I 5.000 lo.m 20.000 50.000 100.000 200.000 mQ 5 6 7 8 9 12 15 16 19 22 24 27 32 3
36、6 40 44 48 53 56 60 64 65 68 69 114 132 160 169 1 73 200 PSD VALUE 022130 0.1 3140 0.20540 0.38230 0.15630 0.07990 0.08830 0.32940 0.06080 0.09280 026340 0.05640 022690 0.02820 0.11600 0.02090 0.08190 0.01480 0.07420 0.01270 0.04980 0.01 100 0.03260 0.01480 0.00740 0.00830 0.00510 0.01710 0.00550 0.
37、00310 FIGURE 10. Basic transportation composite tactical wheeled environment. longitudinai axis. 20 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0.5000 l.Oo0 t NIL-DTL-hZ739A W 9999906 2059393 614 W MIL-DTL-6273 9A(AT) Test Duration: 120 minutes p
38、er 500 miles Overaii rms level: 2.00 G 0.1000 - 0.0500 - 0.0200 - 0.0100 - 0.0050 - 0.0020 0.0010 5.000 1o.oooo 20.000 50.000 100.000 200.000 5 10 11 12 13 15 16 17 22 24 26 28 30 32 38 40 44 48 u) 56 60 63 70 78 93 137 145 162 176 200 PSD VALUE 0.25490 O. 13030 0.09670 0.13360 0.06500 0.06340 0.112
39、30 0.06500 0.04590 0.08980 0.05070 0.06830 0.03670 0.05880 0.01920 0.03860 0.01290 0.02940 0.01 140 0.02460 0.00960 0.01880 0.00660 0.01500 0.00730 O.Oo460 0.00910 0.00430 0.00660 0.00360 FIGURE 1 1. Basic transportation composite tactical wheeled environment, transverse axis. 21 Provided by IHSNot
40、for ResaleNo reproduction or networking permitted without license from IHS-,-,-ME-DTL-6273 9A(AT) 0.04 g*2/Hz +3dB/Octave PSD-g*“2/Hz 20 custodian: Anny-AT FIGURE 12. Random vibration spectrum. Preparing Activity: Army - AT 2000 (Project 5998-0080) 22 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
