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MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 4
4N51, 4N52
67023
4N53, 4N54
HERMETIC , NUMERIC AND HEXADECIMAL
DISPLAYS
Mii
OPTOELECTRONIC PRODUCTS
DIVISION
Features:
Conforms to MIL-PRF-87157
Three
character
options
Numeric, Hexidecimal or Over range
4 X 7 dot matrix character
Memory latch/decoder/driver is TTL compatible
Available in Red or Green
Categorized for luminous intensity
Applications:
High reliability systems
Instrumentation
panels
Communication
equipment
Medical
equipment
Harsh
environments
IR blocking filter available
DESCRIPTION
The
4N51-4N54
series are solid state numeric and hexidecimal displays for use in high reliability applications. The displays feature
an on-board decoder/driver and memory (except 4N53). These displays are hermetically sealed and conform to MIL-PRF-87157, the
general specification for light emitting diode displays. The character height is 7.4mm (.29"). The green LED version conforms to
MIL-D-87157 with exception of color.
The 4N51 is a numeric display which decodes positive BCD logic into the numbers "0-9", a "-" sign, a right-hand decimal point, and a
test pattern (all LED's on).
The 4N52 is the same as the 4N51, but the decimal point is located on the left side of the device.
The 4N53 is an over range device which displays "+1" and a right-hand decimal point. This display is typically driven using external
switching transistors.
The 4N54 is a hexidecimal display which decodes positive BCD logic into 16 characters "0-9, A-F". An input is provided to blank the
display (all LED's off) without losing the contents of the memory.
ABSOLUTE MAXIMUM RATINGS
Storage Temperature..........................................................................................................................................-65C to +125C
Operating Free-Air Temperature Range. ...........................................................................................................-55C to +100C
Lead Solder Temperature (1/16" [1.6mm] below seating plane for 10s) ........................................................................... 260C
Supply Voltage, V
CC
(4N51, 4N52, 4N54)................................................................................................................. .-0.5V to 7V
Voltage Applied to Input Logic, DP and Enable Pins ............................................................................................... . -0.5V to 7V
Voltage Applied to Blanking Input (4N54 only)........................................................................................................... -0.5V to 7V
Forward Current, Each LED (4N53 only) ............................................................................................................................10mA
Reverse Voltage, Each LED (4N53 only)................................................................................................................................. 4V
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 5
4N51, 4N52,
67023
4N53, 4N54
*
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
4 N 5 2
4 N 5 1
0 .2 9 0 [7 .3 7 ]
0 .1 9 0 [4 .8 3 ]
5
0 .5 3 0 [1 3 .4 6 ]
0 .0 7 3 [1 .8 4 ]
0 .2 2 0 [5 .5 9 ]
0 .1 2 0 [3 .0 4 ]
0 .4 0 0 [1 0 .1 6 ]
0 .2 9 0 [7 .3 7 ]
0 .5 3 0 [1 3 .4 6 ]
0 .1 9 0 [4 .8 3 ]
0 .2 2 0 [5 .5 9 ]
0 .0 7 3 [1 .8 4 ]
0 .4 0 0 [1 0 .1 6 ]
5
0 .1 4 0 [3 .5 6 ]
4N53
4N54
0.150 [3.81]
SEATING PLANE
0.170
[4.32]
10
1
2
3
4
8
7
6
5
0.400 [10.16]
X
Mii
YYWW
PIN 1 KEY
DATE CODE
XXX
0.600 [15.24]
LUMINOUS
INTENSITY
CATEGORY
REAR VIEW
SIDE VIEW
END VIEW
0.110
[2.79]
0.050
[1.27]
.012.003
[0.30.08]
TYP
.020.003
[0.50.08]
TYP
0.100.005
[2.50.13]
TYP
0.136 [3.45]
0.060 [1.52]
0.530 [13.46]
0.290 [7.37]
0.400 [10.16]
0.190 [4.83]
0.073 [1.84]
5
0.400 [10.16]
5
0.072 [1.84]
0.290 [7.36]
0.190 [4.83]
0.530 [13.46]
0.190 [4.83]
0.083 [2.11]
0.150 [3.81]
SEATING PLANE
*JEDEC Registered Data
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 6
4N51, 4N52,
67023
4N53, 4N54
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
*ELECTRICAL OPTICAL CHARACTERISTICS
T
A
= -55
C to +100C unless otherwise specified.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
TEST CONDITIONS
NOTE
Supply Current
4N51
4N52
4N54
I
CC
112
112
112
170
170
170
mA
V
CC
= 5.5V
Numeral 5 and DP lighted
1
Power Dissipation
4N51
4N52
4N53
4N54
P
T
560
560
280
560
935
935
320
935
mW
V
CC
= 5.5V
Numeral 5 and DP lighted
1,4
Luminous Intensity per LED
4N51
4N52
4N53
4N54
I
V
40
40
45
40
85
85
85
85
cd
V
CC
= 5V, T
A
= 25
C
V
CC
= 5V, T
A
= 25
C
I
F
= 10mA,
A
= 25
C
V
CC
= 5V,
A
= 25
C
2
Forward Voltage per LED 4N53
V
F
1.6
2.0
V
I
F
= 10mA
Logic Low-Level Input Voltage
4N51
4N52
4N54
V
IL
0.8
0.8
0.8
V
V
CC
= 4.5V
Logic Low-Level Input Voltage 4N51
4N52
4N54
V
IH
2
2
2
V
V
CC
= 4.5V
Enable Low-Voltage; Data Being Entered 4N51
4N52
4N54
V
EL
0.8
0.8
0.8
V
V
CC
= 4.5V
Enable High-Voltage; data not being
entered 4N51
4N52
4N54
V
EH
2
2
2
V
V
CC
= 4.5V
Blanking Low-Voltage display not blanked 4N54
V
BL
0.8
V
V
CC
= 4.5V
Blanking High-Voltage display blanked 4N54
V
BH
3.5
V
V
CC
= 4.5V
Leak Rate ALL
5x10
-8
cc/sec
Blanking Low-Level Input Current 4N54
I
BL
50
mA
V
CC
= 5.5V, V
BL
= 0.8V
Blanking High-Level Input Current 4N54
I
BH
1.0
mA
V
CC
= 5.5V, V
BH
= 4.5V
Logic Low-Level Input Current
4N51
4N52
4N54
I
IL
-1.6
mA
V
CC
= 5.5V, V
IL
= 0.4V
Logic High-Level Input Current 4N51
4N52
4N54
I
IH
+100
A
V
CC
= 5.5V, V
IH
= 2.4V
Enable Low-Level Input Current 4N51
4N52
4N54
I
EL
-1.6
mA
V
CC
= 5.5V, V
EL
= 0.4V
Enable High-Level Input Current 4N51
4N52
4N54
I
EH
+130
A
V
CC
= 5.5V, V
EH
= 2.4V
Wavelength at Peak Emission ALL
P
655
nm
t
A
= 25
C
Dominant Wavelength ALL
d
640
t
A
= 25
C
3
Forward Voltage per LED 4N53
V
F
1.6
2.0
V
I
F
= 10mA
Weight ALL
1
gm
NOTES:
1.
All typical values at V
CC
= 5.0 volts, t
A
= 25
C.
2.
Luminous intensity for a specific temperature may be calculated with the following relationship: I
V
(t
A
) = I
V
(25
C) (.985) [t
A
- 25
C].
3.
The dominant wavelength ,
d
is a single wavelength that defines the saturated color of monochromatic light, as derived from the CIE chromaticity
diagram.
4.
For 4N53 test conditions, I
F
= 10mA, all diodes lit.
*JEDEC Registered Data
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 7
4N51, 4N52,
67023
4N53, 4N54
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
*RECOMMENDED OPERATING CONDITIONS:
PARAMETER
SYMBOL
MIN
MAX
UNITS
Supply Voltage
4N51
4N52
4N53
4N54
V
CC
4.5
4.5
NA
4.5
5.5
5.5
NA
5.5
V
V
NA
V
Operating Temperature ALL
t
A
-55
100
C
Enable Pulse Width 4N51
4N52
4N54
t
W
100
ns
Time data must be held before positive 4N51
transition of enable line 4N52
4N54
t
SETUP
50
ns
Time data must be held after positive 4N51
transition of enable line 4N52
4N54
t
HOLD
50
ns
Enable pulse rise time 4N51
4N52
4N54
t
TLH
200
ns
Forward Current 4N53
I
F
5
10
m
SELECTION GUIDE
67023-001
4N51 Commercial (0
to
70
C)
67023-101
4N51 Screened to TXV level (-55
to +100
C) with 100% screening.
67023-101C
4N51 marked with DSCC P/N JM87157/00101AXX (-55
to +100
C) with 100% screening.
67023-002
4N52 Commercial (0
to
70
C)
67023-102
4N52 Screened to TXV level (-55
to +100
C) with 100% screening.
67023-102C
4N52 marked with DSCC P/N JM87157/00102AXX (-55
to +100
C) with 100% screening.
67023-003
4N53 Commercial (0
to
70
C)
67023-103
4N53 Screened to TXV level (-55
to +100
C) with 100% screening.
67023-103C
4N53 marked with DSCC P/N JM87157/00103AXX (-55
to +100
C) with 100% screening.
67023-004
4N54 Commercial (0
to
70
C)
67023-104
4N54 Screened to TXV level (-55
to +100
C) with 100% screening.
67023-104C
4N54 marked with DSCC P/N JM87157/00104AXX (-55
to +100
C) with 100% screening.
67023-034
4N54, green commercial (0
to
70
C)
67023-315
4N54, green Mil-Temp (-55
to +100
C) with 100% screening.
NOTES:
1. When ordering DSCC part numbers, you may order by the MII part number or the DSCC part number.
2. The first X at the end of M87157/0010XA[X]X designates lead finish. In place of the X use A for hot solder dip
or C for gold finish.
3. Second X at the end of the M87157/0010XAX[X] designates luminous intensity code. In place of the X use C
thru K to indicate desired intensity level.
*JEDEC Registered Data
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 8
4N51, 4N52,
67023
4N53, 4N54
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
(LOW LEVEL DATA)
DATA INPUT
DATA INPUT
(HIGH LEVEL DATA)
INPUT
ENABLE
LH
t
10%
1.5V
90%
1.5V
1.5V
1.5V
1.5V
HOLD
SETUP
FIGURE 1 Timing Diagram of 4N51, 4N52 and 4N54 Series Logic
W
t
t
t
1.5V
GROUND
BLANKING (3)
CONTROL
6
4
ENABLE
1
DP (2)
INPUT
4
2
3
LOGIC
Vcc
8
5
7
PIN NO.
FIGURE 2 Block Diagram of 4N51, 4N52 and 4N54 Series Logic
LED MATRIX
DRIVER
DP
LED MATRIX
MEMORY
LATCH
DC2
DP
DC8
DC4
DC1
DECODER
MATRIX
NUMERAL ONE
580
100
3
2
FIGURE 3
150
580
150
dp
4
8
1
7
MINUS PLUS
Vcc
PLUS
X
X
X
X
8
4
2
1
BCD DATA (1)
H
H
H
H
L
H
H
H
H
L
H
H
L
L
H
H
H
H
L
H
L
H
L
H
H
L
L
H
L
L
L
H
H
H
H
L
L
H
H
L
H
L
H
L
L
L
H
L
H
H
L
L
L
H
L
L
H
L
L
L
L
L
L
L
TRUTH TABLE
4N51/4N52
4N54
F
(BLANK)
E
D
C
B
A
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
ON
OFF
LOAD DATA
LATCH DATA
DISPLAY OFF
DISPLAY ON
VDP=H
VDP=L
VE =L
VE =H
VB =H
VB =L
DECIMAL PT. (2)
ENABLE (1)
BLANKING (3)
(BLANK)
.....
(BLANK)
(BLANK)
NOTES:
1. H = Logic High: L = Logic Low. With the
enable input at logic high changes in BCD
input levels or D.P. input have no effect
upon display memory, displayed character,
2. The decmal point, DP, pertains only to
the 4n51 and 4n52 displays.
3. The blanking control, B, pertains only
to the 4n54 hexadecimal display.
Blanking input has no effect upon memory.
or D.P.
PIN
8
7
6
5
4
3
2
1
Minus/Plus
Vcc
Open
Open
DP
Numeral One
Numeral One
Plus
FUNCTION
TRUTH TABLE FOR TYPICAL DRIVING CIRCUIT
BLANK
DECIMAL POINT
1
-
+
H
X
X
L
L
L
L
X
H
1
X
X
H
X
X
2,3
X
4
PIN
X
L
H
X
H
8
CHARACTER
NOTES:
L: Line switching transistor in figure 3 cutoff.
H: Line transistor in figure 3 satuated
X: Don't Care.
TYPICAL DRIVING CIRCUIT
4N53 Over Range Character
4N51, 4N52, 4N54 Logic
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 9
4N51, 4N52,
67023
4N53, 4N54
HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
PART MARKING SYSTEM
PREFERRED PART NUMBER SYSTEM
MII PART NUMBERS
Standard Product
With Tables I, II, III and IV Quality Level A
TXV
Tables I, II
Commercial
Table II, Subgroups I, VII
4N51
M87157/00101XXX
67023-201
67023-101
67023-001
4N52
M87157/00102XXX
67023-202
67023-102
67023-002
4N53
M87157/00103XXX
67023-203
67023-103
67023-003
4N54
M87157/00104XXX
67023-204
67023-104
67023-004
TABLE I
100% SCREENING CLASS A OF MIL-PRF-87157
Test Screen
MIL-PRF-750
Method
Conditions
1. Precap Visual
2072
2. High Temperature Storage
1032
T
A
= 125
C, Time = 24 hours
3. Temperature Cycling
1051
Condition B, 10 Cycles, 15 Min. Dwell
4. Constant Acceleration
2006
10,000 G's at Y
1
orientation
5. Fine Leak
1071
Condition H
6. Gross Leak
1071
Condition C
7. Interim Electrical / Optical Tests
(2)
------
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, and I
IH
T
A
= 25
C
8. Burn-In
(1,3)
1015
Condition B at V
CC
= 5V and cycle through
logic at 1 character per second.
T
A
= 100
C, t = 160 hours
9. Final Electrical Test
(2)
------
Same as Step 7
10. Delta Determinations
------
I
V
= 20%,
I
CC
=
10 mA, I
IH
=
10 A
and
I
EH
=
13A
11. External Visual
(1)
2009
TABLE II
GROUP A ELECTRICAL TEST CLASS A OF MIL-PRF-87157
Test
Parameters
LTPD
Subgroup 1
DC Electrical Test at 25
C
(2)
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, and I
IH
and
visual function, T
A
= 25
C
5
Subgroup 2
DC Electrical Tests at High
Same as Subgroup 1, except delete I
V
and visual
7
Temperature
(2)
function. T
A
= +100
C
Subgroup 3
DC Electrical Tests at Low
Same as Subgroup 1, except delete I
V
and visual
7
Temperature
(2)
function. T
A
= -55
C
Subgroup 4, 5 and 6 not tested
Subgroup 7
Optical and Functional Tests
at 25
C.
Satisfied by Subgroup 1
5
Subgroup 8
External Visual
7
MICROPAC INDUSTRIES, INC.
OPTOELECTRONIC PRODUCTS DIVISION 725 E. Walnut St., Garland, TX 75040 (972) 272-3571 Fax (972) 487-6918
www.micropac.com
E-MAIL:
optosales@micropac.com
2 - 10
4N51, 4N52,
67023 4N53, 4N54 HERMETIC, NUMERIC AND HEXIDECIMAL DISPLAYS
TABLE III
GROUP B, CLASS A AND B OF MIL-PRF-87157
Test
MIL-PRF-750
Method
Conditions
Sample Size
Subgroup 1
Resistance to Solvents
1022
4 Devices / 0 Failures
Internal Visual and Mechanical
(10)
2075
1 Device / 0 Failures
Subgroup 2
(1,2)
Solderability
2026
T
A
= 245
C for 5 seconds
LTPD = 15
Subgroup 3
Thermal Shock (Temp. Cycle)
1051
Condition B1, 15 Min. Dwell
LTPD = 15
Moisture Resistance
(3)
1021
Fine Leak
1071
Condition H
Gross Leak
1071
Condition C
Electrical / Optical Endpoints
(4)
------
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, I
IH
and
visual function. T
A
= 25
C
Subgroup 4
Operating Life Test (340 hrs.)
(5)
1027
T
A
= 100
C, at V
CC
= 5.0V and
cycling through logic at 1 character
per second.
LTPD = 10
Electrical / Optical Endpoints
(4)
------
Same as Subgroup 3
Subgroup 5
Non-operating (Storage) Life
Test (340 hrs.)
1032
T
A
= 125
C
LTPD = 10
Electrical / Optical Endpoints
(4)
------
Same as Subgroup 3
TABLE IV
GROUP C, CLASS A AND B OF MIL-PRF-87157
Test
MIL-PRF-750
Method
Conditions
Sample Size
Subgroup 1
Physical Dimensions
2066
2 Devices / 0 Failures
Subgroup 2
(2, 10)
LTPD = 15
Lead Integrity
2004
Condition B2
Fine Leak
1071
Condition H
Gross Leak
1071
Condition C
Subgroup 3
Shock
2016
1500G, Time = 0.5 ms, 5 blows in
each orientation X
1
, Y
1
, Z
1
LTPD = 15
Vibration, Variable Frequency
2056
Constant Acceleration
2006
10,000G at Y
1
orientation
External Visual
(7)
1010 or 1011
Electrical / Optical Endpoints
(4)
------
I
V
, I
CC
, I
BL
, I
BH
, I
EL
, I
EH
, I
IL
, I
IH
and
visual function. T
A
= 25
C
Subgroup 4
(1,6)
Salt Atmosphere
1041
LTPD = 15
External Visual
(7)
1010 or 1011
Subgroup 5
Bond Strength
(8)
2037
Condition A
LTPD = 20 (c = 0)
Subgroup 6
LTPD = 10
Operating Life Test
(9)
1026
T
A
= +100
C 1000 HRS
Electrical / Optical Endpoints
(4)
------
Same as Subgroup 3
NOTES: 1. Whenever electrical/optical tests are not required as endpoints, electrical rejects may be used.
2. The LTPD applies to the number of leads inspected, except in no case shall less than 3 displays be used to provide the number of leads required.
3. Initial conditioning should be a 15" bend inward one cycle.
4. Limits and conditions are per the electrical/optical characteristics.
5. Burn-in for the over range shall use Condition B at a nominal I
F
= 8 mA with "+1" illuminated for t=340 hours.
6. Solderability samples shall not be used.
7. Visual requirements shall be as specified in MIL-PRF-883, Methods 1010 or 1011.
8. Displays may be selected prior to seal.
9. If a given inspection lot, undergoing Group B inspection, has been selected to satisfy the Group C inspection requirements, the 340 hour life tests may
be continued on test to 1000 hours in order to satisfy the Group C Life Test requirements. In such cases, either the 340 hour endpoint measurements
shall be made a basis for Group B lot acceptance or the 1000 hour endpoint measurement shall be used as the basis for both Group B and Group C
acceptance.
10. MIL-PRF-883 test method applies.