1、 MILDTL28803/1E 4 September 2013 SUPERSEDING MILD28803/1D 11 July 1988 DETAIL SPECIFICATION SHEET DISPLAY, OPTOELECTRONIC, SEGMENTED READOUT, BACKLIGHTED, STYLE II (LIGHT EMITTING DIODE), RFI SHIELDED, MOISTURE SEALED, HIGH IMPACT SHOCK, TYPE R01 This specification sheet is approved for use by all D
2、epartments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MILDTL28803. FIGURE 1. Type R01 display and panel cutout. AMSC N/A FSC 5980 INCHPOUND Provided by IHSNot for ResaleNo reproduction or networ
3、king permitted without license from IHS-,-,-MILDTL28803/1E 2 NOTES: 1. Dimensions are in inches. Millimeter equivalents are given for general information only. 2. Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3.
4、 Design configuration optional within envelope as shown. 4. The values for dimensions A, B, C, D, and F are listed in table I. The depth of the mounting plate (dimension E) is listed in table II. 5. Dimension F is for immersion seal displays only. 6. The two center mounting holes (located by dimensi
5、on F) are required in designated immersion seal displays only. FIGURE 1. Type R01 display and panel cutout Continued. TABLE I. Display assembly dimensions. 1/ 2/ 3/ Number of modules per assembly Dimensions Weight A B C D F 4/ maximum 1 .62 (15.7) 1.187 (30.15) .867 (22.02) .67 (17.0) - 3.5 (99.2) 2
6、 1.12 (28.4) 1.687 (42.85) 1.367 (34.72) 1.17 (29.7) - 5.0 (141.7) 3 1.62 (41.1) 2.187 (55.55) 1.867 (47.42) 1.67 (42.4) - 7.0 (198.4) 4 2.12 (53.8) 2.687 (68.25) 2.367 (60.12) 2.17 (55.1) - 8.5 (240.9) 5 2.62 (66.5) 3.187 (80.95) 2.867 (72.82) 2.67 (67.8) 1.433 (36.40) 10.5 (297.7) 6 3.12 (79.2) 3.
7、687 (93.65) 3.367 (85.52) 3.17 (80.5) 1.683 (42.75) 12.0 (340.2) 7 3.62 (91.9) 4.187 (106.35) 3.867 (98.22) 3.67 (93.2) 1.933 (49.10) 14.0 (396.9) 8 4.12 (104.6) 4.687 (119.05) 4.367 (110.92) 4.17 (105.9) 2.183 (55.45) 16.5 (467.8) 1/ Dimensions are in inches. Millimeter equivalents are given for ge
8、neral information only. 2/ Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for three place decimals. 3/ Weights are in ounces. Gram equivalents are given for general information only. 4/ Dimension F is for immersion seal readouts only. TAB
9、LE II. Seal type dimension. Seal type Dimension E Dripproof .22 (5.6) Immersion .32 (8.1) 1/ Dimensions are in inches. Millimeter equivalents are given for general information only. 2/ Unless otherwise specified, tolerances are .02 inch (0.51 mm) for two place decimals and .010 inch (0.25 mm) for th
10、ree place decimals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 3 NOTES: 1. Dimensions are in inches. Millimeter equivalents are given for general information only. 2. Unless otherwise specified, tolerances are .02 inch (0.51 mm) f
11、or two place decimals. 3. Design configuration optional within envelope as shown. FIGURE 2. Seven segment, four segment, and colon display modules. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 4 NOTES: 1. Dimensions are in inches. M
12、illimeter equivalents are given for general information only. 2. Unless otherwise specified, tolerances are .010 inch (0.25 mm) for three place decimals. 3. Design configuration optional within envelope as shown. 4. Terminal part number (package of 25 terminals): M22885/8050 of MILPRF22885/80. 5. Ap
13、plication information: Crimp tool: M22520/101 of MILC22520/1. Positioner: M22520/102 of MILC22520/1. Insertion tool: Eaton Aerospace (CAGE 96182) 8003191 Extraction tool: Eaton Aerospace 800P7 Astro Tool Corp. (CAGE 58164) ATMS 2062 Locator tool: Eaton Aerospace 8003191L20 FIGURE 3. Terminal, crimp
14、type. NOTES: 1. Dimensions are in inches. Millimeter equivalents are given for general information only. 2. Unless otherwise specified, tolerances are .010 inch (0.25 mm) for three place decimals. 3. Design configuration optional within envelope as shown. 4. Connector block part number: M28803/1ZZ.
15、FIGURE 4. Connector block. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 5 FIGURE 5. Truth table letter assignments for seven segment numeric display with decimal point. Provided by IHSNot for ResaleNo reproduction or networking perm
16、itted without license from IHS-,-,-MILDTL28803/1E 6 FIGURE 6. Truth table letter assignments for four segment sign display with decimal point. FIGURE 7. Truth table letter assignments for colon display. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
17、-MILDTL28803/1E 7 REQUIREMENTS: Design and construction: Dimensions and configurations. See figures 1 through 4. Display assembly. The display assembly shall consist of the following: a. Display module and if applicable, conversion logic circuit assembly (circuit configurations 1, 2, 5, and 6 only).
18、 b. Insertable crimp-type terminals (see figure 3) (packaged separately). c. Multistation matrix frame. Includes connector blocks, fasteners, front lens plate, and mounting flange. 1. Connector block (see figure 4). 2. Front lens plate: Shall appear obscured in the unlighted condition. In the lighte
19、d condition, characters shall be red in accordance with MILDTL28803 on a black background. 3. Mounting flange: Front face of mounting flange shall be a black, lusterless color. d. RFI shielding screen. A grounded lens screen shall be provided. e. Light emitting diodes. Display truth table letter ass
20、ignments: See figures 5 through 7 and tables III through IX. Operating: Dot to dot ratio (per character): 5 to 1 maximum after life (electrical). Circuit configurations: See figure 8 for terminal block connections. Circuit configuration 1 is a seven segment numeric display with decimal point that ha
21、s conversion logic encoders with latching. Circuit configuration 2 is a four segment sign display with decimal point that has conversion logic encoders with latching. Circuit configuration 3 is a direct wired seven segment numeric display with decimal point. Circuit configuration 4 is a direct wired
22、 four segment sign display with decimal point. Circuit configuration 5 is a seven segment numeric display with decimal point that has conversion logic encoders without latching. Circuit configuration 6 is a four segment sign display with decimal point that has conversion logic encoders without latch
23、ing. The colon sign display is a direct wired circuit configuration only. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 8 Optical: Chromaticity: Method II in accordance with MILDTL28803, color red (Y = .355 maximum, Z = .002 maximum)
24、. Contrast ratio: 20 to 1 minimum at 110 foot-candles (1184 lux) incidental illumination. Luminance: Luminance shall be in accordance with MILDTL28803. Physical and mechanical: Mechanical endurance and solderability: Not applicable. Terminal strength: The terminals shall be tested in accordance with
25、 Method 211 of MILSTD202, with the following details and exceptions: Test condition A and the applied force shall be 5 pounds (2.27 Kg). Electrical: Circuit configuration display characteristics: See figures 5 through 7. Conventions for truth tables. The following conventions are used in the truth t
26、ables (tables III through IX) herein: “0“ = Logic low level, represents ground potential (0.0 V dc). “1“ = Logic high level. “X“ = Logical “0“ or “1“. “DPT“ = Decimal point. “EN“ = Enable. “LT“ = LED test. “BI“ = Blanking input. “ = Segment lit. Truth tables with latching: The truth tables shown are
27、 for when enable (EN) is at logic low level. Segments energized prior to enable going to logic high level will remain lit. Conversion logic encoders verification: The conversion logic encoders used in the fabrication of displays shall be screened in accordance with the class B requirements of method
28、 5004 of MILSTD883 and tested in accordance with the class B requirements of method 5005 of MILSTD883. Conversion logic electrical characteristics: See tables X and XI. Environmental: Seal (immersion): MILSTD810, method 512, procedure I. Following the test, there shall be no evidence of leakage and
29、displays shall meet the dielectric withstanding voltage requirements in accordance with MILDTL28803. Shock: Method II (high impact) in accordance with MILDTL28803. Vibration grade 2: Displays shall be tested in accordance with Method 204, test condition A (10-500 Hz) of MILSTD202. Operating temperat
30、ure range: 50C to +85C. PIN code letters for module combinations, type, arrangement, circuit configuration, and seal: See tables XII and XIII. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 9 TABLE III. Truth table for seven segment n
31、umeric display, with latch (circuit configuration 1). Input Output BCD Display = Segment lit 1/ DPT EN 8 4 2 1 BI A B C D E F G DPT 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 0 1 0 0 0 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 1 1 0 1 0 0 0 1 0 1 0 0 1 1 0 1 0 1 0 1 Blank 0 1 0 1 1 1 Blank 0 1 1 0 0 1
32、Blank 0 1 1 0 1 1 Blank 0 1 1 1 0 1 Blank 0 1 1 1 1 1 Blank X X X X X 0 Blank 1 X X X X X X 2/ 1/ See figure 5 for seven segment numeric display output letter assignments. 2/ The decimal point (DPT) operates independently of the conversion logic. To illuminate, connect to 5.0 V dc. TABLE IV. Truth t
33、able for four segment sign display, with latch (circuit configuration 2). Input Output BCD Display = Segment lit 1/ DPT EN 8 4 2 1 BI A B C D E F G DPT 0 0 0 0 0 1 0 0 0 0 1 1 X X X X X 0 Blank 1 X X X X X X 2/ 1/ See figure 6 for four segment sign display output letter assignments. 2/ The decimal p
34、oint (DPT) operates independently of the conversion logic. To illuminate, connect to 5.0 V dc. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 10 TABLE V. Truth table for seven segment direct wired numeric display (circuit configuratio
35、n 3). Input Display Output ( = Segment lit) 1/ DPT A B C D E F G A B C D E F G DPT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1/ See figure 5 for seven segment numeric display output letter assignments. TABLE VI. Truth table for four segment direc
36、t wired sign display (circuit configuration 4). Input Display Output ( = Segment lit) 1/ DPT A B C D E F G A B C D E F G DPT 0 0 0 0 0 0 0 1/ See figure 6 for four segment sign display output letter assignments. TABLE VII. Truth table for colon direct wired sign display. Input Display Output ( = Seg
37、ment lit) 1/ DPT A B C D E F G A B C D E F G DPT 0 0 : 1/ See figure 7 for colon output letter assignments. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 11 TABLE VIII. Truth table for seven segment numeric display, without latch (ci
38、rcuit configuration 5). Input Output BCD Display = Segment lit 1/ DPT LT 8 4 2 1 BI A B C D E F G DPT 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 0 1 1 0 0 1 1 1 1 0 1 0 0 1 1 0 1 0 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 1 0 1 1 1 0 1 1 1 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 Blank X
39、X X X X 0 Blank 0 X X X X X X 2/ 0 X X X X 1 1/ See figure 5 for seven segment numeric display output letter assignments. 2/ The decimal point (DPT) operates independently of the conversion logic. To illuminate, connect to GND (0.0 V dc). Provided by IHSNot for ResaleNo reproduction or networking pe
40、rmitted without license from IHS-,-,-MILDTL28803/1E 12 TABLE IX. Truth table for four segment sign display, without latch (circuit configuration 6). Input Output BCD Display = Segment lit 1/ DPT LT 8 4 2 1 BI B C E F DPT 1 0 0 0 0 1 1 0 0 0 1 1 0 X X X X X X 2/ X X X X X 0 Blank 0 X X X X 1 1/ See f
41、igure 6 for four segment sign display output letter assignments. 2/ The decimal point (DPT) operates independently of the conversion logic. To illuminate, connect to GND (0.0 V dc). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 13 FI
42、GURE 8. Terminal designation for circuit configurations (rear view). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILDTL28803/1E 14 TABLE X. Electrical specifications for circuit configurations 1 and 2. Symbol Characteristic Limits Unit Condition
43、Minimum Typical Maximum VCC1/ Supply voltage 4.75 5.0 5.25 V TA= +25C VILLogical “0“ low input voltage 1.50 V VCC= 5 V VIHLogical “1“ high input voltage 3.50 V VCC= 5 V IINInput current 10 pA tsetupSetup time 90 ns tholdHold time 90 ns VCC= 5 V PWLEMinimum latch enable pulse width 260 520 ns VCC= 5
44、V VLSLED supply voltage 2.5 0 V 1/ 2/ 3/ ILSLED supply current 200 mA VCC= 5 V 1/ The conversion logic requires a constant supply voltage to operate. Device should not be connected with power on. A separate LED supply is required. 2/ GND (0.0 V dc) is maximum intensity, increasing the voltage will d
45、ecrease intensity. 3/ Use of LED supply to regulate brightness is not recommended as display uniformity cannot be maintained. Pulse width modulation of the blanking input (BI) is the preferred method of brightness regulation. Provided by IHSNot for ResaleNo reproduction or networking permitted witho
46、ut license from IHS-,-,-MILDTL28803/1E 15 TABLE XI. Electrical specification for circuit configurations 5 and 6. Symbol Characteristic Limits Unit Condition Minimum Typical Maximum VCCSupply voltage 4.75 5.0 5.25 V TA= +25C VIHInput high voltage 2.0 V Guaranteed input high voltage for all inputs VILInput low voltage 0.8 V Guaranteed input low voltage for all inputs IIHInput high current 40 A Logical “1“ level input current at any except BI/RBO. VCC= maximum VIN= 2
