1、30 June 1981 SUPE RSED IKG MIL-C-l4883(AR) 2 MARCH ?970 M ILITARY SPEC IFICAT ION CIRCUIT CARD ASSEMBLY: 10559305 COUNTERS This specification is approved for use by the US Army Armament Research and Development Command (ARRADCOM) and is available for use by all Departments and Agencies of the Depart
2、ment of Defense. 1. SCOPE 1 ,l Scope, This specification establishes the requirements and quality 10559305 Counters which assurance provisions for the Circuit Card Assembly: is the A5 component of the Electronic Unit, 11743131. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents
3、 of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL -F - 13 9 26 MIL -1-45 60 7 MIL-STD-45662 . Fire Control Materiel: General Specification Governing the Manufacture and Inspect
4、ion of Inspection Equipment, Supply and Maintenance of Calibration Systems Requirements THIS DOCUMENT CONTAINS Jz PAGES. FSC: 1240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-143A 12 U 7777706 02777b4 5 m STANDARDS MILITARY MIL-STD-105 MIL
5、-STD-810 Sampling Procedures and Tables for Inspection Environmental Test Methods by Attributes DRAWINGS ARRADCOM 10559305 Circuit Card Assembly - Counters Inspec tion Equipment 11 750202 11 750433 11821458 11 821520 11 821 647 Packaging Data :beet P10559305 Automatic Card and Unit - Test Set Adapte
6、r Counters Shock Adapter, Plate Vib Horz-Vert Planelshock Z Automatic Test Assembly Central Processor Unit Vibration/Shock Test Fixture Packaging of Circuit Card Assembly - Counters: 10559305 (Copies of specifications, standards, drawings, and publications required by contractors in connection with
7、specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) e w c e a 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL -C- 148 8 3 A ( AR) 3. RFQUIREMENTS 3.1 Fabrication. The counter
8、s circuit card assembly, herein referred to as the assembly, shall be manufactured in accordance with Drawing 10559305 and drawings pertaining thereto and, when assembled, shall meet the requirements of this specification. (See 4.5.1) 3.1.1 Function. The assembly shall provide the following function
9、s: Des i gna ti on a. b. d. e. f. g. h. i. C. Counter reset Five-meter range signal Readout inhibit Counter 1 Counter 2 Counter 3 Over range, minimum range and maximum range Malfunction 8 Test range 3.1.2 General specifications. The following provisions of MIL-F-13926 apply: (See 4.5.1) a. Order of
10、precedence b. Dimensions and tolerances c. Inorganic protective surface finishes d. Part identification and marking e. Workmanship 3.1.3 Ambient conditions. Standard ambient conditions shall be as follows : a. Temperature 730 + 18OF b, Relative humidity 50 percent + 30 percent c. Atmospheric pressur
11、e 28.5 + 2.0 -3.0 in. Hg, 3.2 First article. When specified (see 6.21, the contractor shall furnish sample units for first article inspection and approval (see 4.4 and 6.2). 3.3 Performance. Unless otherwise specified, the assembly shall meet the performance requirements specified herein under stand
12、ard ambient conditions of 3.1.3. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Item 1.0 1.1 1.2 1.3 1.4 1.5 1.6 2.0 2.1 3.0 3.1 MIL -C- 148 8 3 A( AR ) TABLE I. Loads, power and signals. Condition Loads Resi s tor Re cis t or Resist or Resistors(
13、 12) Resis tor Re sis tor Power so!i= 5 Vdc Signal cc Digital type-A Characteristic 820 ohms t5% 430 ohms +5% 2.4 kilohms - +5% - - 3, O kilohms t5% - 3.0 kilohms - +5% 3. O kilohms - t5% Tolerance: +0.2 Vdc Ripple: 25 kV p-p maximum Logical one: 4 +i Vdc Logical zero: 0.2 - + 0.2 Vdc Rise time (tr)
14、: less than 100 nanoseconds (ns) Fall time (tf): less than 100 ns Pulse width and repetition rate adjustment to meet input requirements Connections Connected between P1-31A and P1-15A Connected between P1-28B and P1-15A Connected between P1-13A and P1-15A Connected to pins 1 through 12 (A or B, as a
15、pplicable) of P1 with negative returns connected to P1-15A Connected between PI-27A and P1-15A Connected between P1-23A and P1-15A Connected between P1-15A(+) and Pl-l6B(-) Applied to terminals as specified herein 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
16、 from IHS-,-,-flIL-C-LLIBB3A 12 7977906 0297967 O m - i Connections I tem 3.2 3.3 TABLE I. Loads, power and signals. - Co I Condi ti on I Characteristic I Digital clock Pulse I Digital clock Pulse II Logical one: 4 +1 Vdc Logical zero: 012 + 0.2 Vdc Frequency: 15 - +0.1 MHz Duty cycle: 50 +5% t,: le
17、ss than 10 ns tf: less than 10 ns Logical one: 4.0 - + 1.0 Vdc Logical zero: 0.2 + 0.2 Vdc Frequency: 1.5 - + 0.01 MHz Duty cycle: 50 +5% tr: less than 100 ns tf: less than 100 ns - - I Applied to terminals as specified herein Applied to terminals as specified herein 3.3.1 Counter reset. With the di
18、gital type-A logical zero signal specified in table I applied to terminals P1-20B, P1-21A, P1-22B, and P1-29A, with respect to P1-16B, the voltage at the following terminals, referenced to P1-16B, shall be 4.2 +1.0 Vdc. - a. P1-4B b. P1-3A C P1-2B d. P1-IA e. P1-8B f. P1-7A g. P1-6B h. P1-5A i. P1-1
19、2B j. P1-11A k. Pl-1OB 1. P1-9A 3.3,2 Five-meter range signal. With the digital type-A signal of table I applied to the input terminals as specified in each item of table II, the output voltage at P1-13A shall be as specified in table II. 5 Provided by IHSNot for ResaleNo reproduction or networking
20、permitted without license from IHS-,-,-O I MIL -C- 14883A( AR) TABLE II. Five-meter range signal. - i/ Legend: 1 = Logical one, type-A 2 = Logical zero, type-A NA = Not applicable 3.3.3 Readout inhibit. With the digital type-A logical one signal specified in table I applied to terminals P1-29A, P1-2
21、0B, P1-21A, and P1-22B and the digital clock pulse I signal specified in table I applied to P1-25A, P1-263, and P1-24B, a voltage of 4.2 - +1.0 Vdc shall be present at the f o 1 1 owing t s rminal : : a, P1-9A b. P1-1OB C. P1-11A d. P1-12B e. P1-5A f. P1-6B g. P1-7A h. P1-8B i. P1-1A j, P1-2B k. P1-
22、3A 1. P1-4B 3.3.4 Counter 1. With the digital type-A signal of table I applied to thesinput terminals as indicated below, Counter 1 shall perform as specified. Input Terminals Type-A Signal P1-29A P1-2ou P1-21A P1-22B Logical one Logical one Logical one Logical zero 3.3.4.1 Tens-counter. With digita
23、l clock pulse II signals of table I applied to P1-24B, the output waveforms shown on figure 1, referenced to the input clock pulses, shall appear at the specified terminals. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e MIL-C-l4883A( AR) 3.3.4.
24、2 Hundreds-counter. With the digital clock pulse I signal of table I applied to P1-24B, the output waveforms shown on figure 2 as referenced to the P1-9A output shall appear at the specified terminals. 3.3.4.3 Thousands-counter. With the digital clock pulse I signal of table I applied to P1-24B, the
25、 output waveforms shown on figure 3 as referenced to the P1-5A output shall appear at the specified terminals. L 3.3.5 Counter 2. With the digital type-A signal of table I applied to the input terminals as indicated below, Counter 2 shall perform as specified. i. In put T ermi na1 s Type-A Signal P1
26、-29A Pl-20B PI-21A P1-22B Logical one Logical one Logical zero Logical one 01*23456789 CLOCK PULSE II (REFERENCE ONLY) O -1 1-0.67 microsecond (ms) 1 PI-126 4 o OUTPUT -1 1-1.33 ms i 1 O PI-11A OUTPUT + I It- 2.67 ms I PI- 10B OUTPUT -1 2.67 ms I, 1 OUTPUT PI-9A 1-1 O (-5.33 ms -1 Waveform timing t
27、5 percent; 1 = t 4.2 f 1.0 volts o = + 0.2 +, 0.2 volts FIGURE 1. Tens-counter waveforms. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-14883A 12 7797706 0277470 O M I MIL-C-l4883A(AR) P1-9A OUTPUT O123456789 (REFERENCE ONLY) O 1 PI-8B O OUTP
28、UT P1-7A 1 OUTPUT -1 (-1 - O :;BUT -1 (- O P1-5A 4: 1- 5.3 ms I -I I+ 2.66 ms 1 2.66 ms -1 I+ OUTPUT FIGURE 2, Hundreds-counter waveforms. P1-5A OUTPUT O723456789 1 O (REFERENCE ONLY) P1-4a OUTPUT A 14- 13.3 ms 14- 26.6 ms -I 1 ?;:UT -i 1- O f- 26.6 ms 1 ,. o -1 I PI-1A OUTPUT -I. 4-53.3 ms- I FIGUR
29、E 3. Thousands-counter waveforms. 8 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C- 14883A( AR) 3.3.5.1 Tens-counter. With the digital clock pulse II signal of table I applied to P1-25A, the output waveforms shown on figure 1, referenced to
30、the input clock pulses, shall appear at the specified terminals. 3.3.5.2 Hundreds-counter. With the digital clock pulse I signal of table I applied to P1-25A, the output waveforms shown on figure 2 as referenced to the P1-9A output shall appear at the specified terminals. 3.3.5.3 Thousands-counter.
31、With the digital cluck pulse I signal of table I applied to P1-25h, the output waveforms shown on figure 3 as referenced to the P1-5A output shall appear at the specified terminals. 3.3.6 Counter 3. With the digital type-A signal of table I applied to the input terminals as indicated below, Counter
32、3 shall perform as specified. Input Terminals P1-29A P1-20B P1-21A P1-22B Type-A Signal Logical one Logical zero Logical one Logical one 3.3.6.1 Tens-counter. With the digital clock pulse II signal of table I applied to P1-26B, the output waveforms shown on figure 1, referenced to the input clock pu
33、lses, shall appear at the specified terminals. 3.3.6.2 Hundreds-counter, With the digital clock pulse I signal of table I applied to P1-26B, the output waveform shown on figure 2 as referenced to the P1-9A output shall appear at the specified terminals. 3.3.6.3 Thousands-counter. With the digital cl
34、ock pulse I signal of table I applied to P1-26B, the output waveforms shown on figure 3 as referenced- to the P1-5A output shall appear at the specified terminals, 3.3.7 Over range, minimum range, maximum range. With the digital type-A signal of table I applied to the input terminals as indicated be
35、low, and the digital clock pulse I signal of table I applied to terminal P1-26B, the output waveforms shown on figura 4, referenced to the input clock pulses, shall appear at the specified terminals. In put Terminal s Type-A Signal P 1 -29A P1-20B Pl-21A P1-22B Logical one Logical zero Logical one L
36、ogical one 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- MIL-C-LqB3A 12 999990b 0297972 Li W IL -C- 14 8 8 3 X ( AR Clock pulse I 0.2 .I 0.2v P1-27A Output - - 4.2tl.OV 0.2 -c 0.2v 3.5 t 1 .ov - - 0.2 f0.2V P1-23A putput +I P1-28B Output 66.5
37、ms Waveform timing: 15% 14 FIGURE 4. Over range, minimum range and maximum range waveforms. - i/ The 0.13 GIS period refers to the P1-27A output, 3.3,s Test range. hith the digital type-A signal of table I applieL to the input terminals as indicated below, and the digital clock pulse I signal of tab
38、le I applied to teminal P1-26B, the output waveform shown on figure 5, referenced to the iniput clock pulses, shall appear at the specified terminal, Inpu t Termi na 1 s P1-79A P1-36B Type-A Signal Logical one Logical zero Clock pulse I input-P1-26B 5.3 i .3 ms P1-32B A, Qutput FIGURE 5. Clock pulse
39、 I input/output voltage. 3.5 t 1 .ov 0.2 +, 0.2v 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C- 14883A( AR) 3.i.9 Malfunction 8. 3.3.9.1 Condition 1. With the type-A signal of table I, adjusted as shown in figure 6 and applied to the indic
40、ated input terminals, the output waveform shown on figure 6 shall appear at the specified terminal. 3.3.9.2 Conditjon 2. With the digital type-A and clock pulse I signals of table I, shown on figure 7, applied to the indicated input terminals, the - . - output waveform shown on figure 7 shall appear
41、 at the specified terminal. 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL -C- 14883A( AR) _t PI -29A IC- 0.8 20.2 ms Input Logical one (TBw A) - - Logicalzero + 1 t0.2 ms - 1 2 0.2 millisecond (msec) - PI-30B Input I Logical one Logical zero
42、 (Type A) II I 1 input t,: 100 ns I 4-20i5 mr+l 3.5 5 IV - PI-31A I output J I 0.2t0.2v FIGURE 6. Malfunction 8, condition 1 waveform. - 1 5 0.2 mcec -1 Logical one - - Logical zeco 1 PI -29A Input (Type A) -I I- to*2 ms PI -248 Clock pulse I Inputs input t,: IO0 ns PI -26B PI-25A - - - I PI-31A Out
43、put FIGURE 7. Malfunction 8, condition 2 waveforms. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e 3.4 Environmental. 3.4.1 Shock. The assembly shall be capable of operating as specified herein after exposure under the conditions of 3.1.3 to th
44、ree half sine wave shock pulses of 40 + 4 gravity units (8) for a duration of 18 + 3 milliseconds (msec) applied in each direction along three mutually perpendicular axes. addition, the assembly shall be capable of withstanding three half sine wave shock pulses of 100.0 + 10.0 g for a duration of 1.
45、5 + 0.2 msec applied in each direction along three mutually perpendicular axes. In (See 4.6.3,l) 3.4.2 Vibration. The assembly shall be capable of operating as specified herein after exposure under the conditions of 3.1.3 to the vibration profile of figure 8. Duration of exposure shall be not less t
46、han 80 minutes in each of three mutually perpendicular axes. (See 4.6.3.2) 3.4,3 Operating temperature. The assembly shall be capable of operating as specified herein over the operating temperature range of -250F to +140F. (See 4.6.3.3, 4.6.3.4 and 4.6.3.5) I 3.4.4 Storage temperature. The assembly
47、shall be capable of operating as specified herein after exposure to storage temperatures ranging from -65OF to +160F. (See 4.6.3.3, 4.6.3.4 and 4.6.3.5) 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-I43A I2 7777706 0277776 I W MIL-C-14883A
48、 (AR) 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. . The Government reserves the rig
