LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
FEATURES
＊
0.764 inch (19.4 mm) MATRIX HEIGHT
＊LOW
POWER REQUIREMENT
＊SINGLE
PLANE, WIDE VIEWING ANGLE
＊SOLID
STATE RELIABILITY
＊8×8
ARRAY WITH X-Y SELECT
＊COMPATIBLE
WITH USASCII AND EBCDIC CODES
＊STACKABLE
HORIZONTALLY
＊CATEGORIZED
FOR LUMINOUS INTENSITY
DESCRIPTION
The LTP-7388M is a 0.764 inch (19.4 mm) matrix height 8×8 dot
matrix display. This device uses AS-AlInGaP green and
AS-AlInGaP super red LED chips (AlInGaP epi on a GaAs
substrate). The display has black face and white dots.
DEVICE
PART NO.
MULTI-COLOR
LTP-7388M
DESCRIPTION
Cathode Column
Anode Row
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
1 of 6
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
PACKAGE DIMENSIONS
NOTES: All dimensions are in millimeters. Tolerances are
±
0.25 mm (0.01“) unless otherwise noted.
INTERNAL CIRCUIT DIAGRAM
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
2 of 6
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
PIN CONNECTION
No.
1
2
3
4
5
6
7
8
9
CONNECTION
CATHODE COLUMN 1 RED
CATHODE COLUMN 2 RED
ANODE ROW 8
CATHODE COLUMN 4 RED
ANODE ROW 7
CATHODE COLUMN 7 GREEN
CATHODE COLUMN 8 GREEN
CATHODE COLUMN 3 GREEN
CATHODE COLUMN 4 GREEN
No.
CONNECTION
13 ANODE ROW 4
14 CATHODE COLUMN 3 RED
15 ANODE ROW 3
16 CATHODE COLUMN 5 RED
17 CATHODE COLUMN 6 RED
18 CATHODE COLUMN 1 GREEN
19 CATHODE COLUMN 2 GREEN
20 ANODE ROW 2
21 CATHODE COLUMN 5 GREEN
22 ANODE ROW 1
23 CATHODE COLUMN 7 RED
24 CATHODE COLUMN 8 RED
10 ANODE ROW 6
11 CATHODE COLUMN 6 GREEN
12 ANODE ROW 5
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
3 of 6
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
ABSOLUTE MAXIMUM RATING
PARAMETER
Average Power Dissipation Per Dot
Peak Forward Current Per Dot
( Frequency 1Khz, 10% duty cycle)
Average Forward Current Per Dot
Forward Current Derating from 25
0
C
Reverse Voltage Per Segment
Operating Temperature Range
Storage Temperature Range
AlInGaP GREEN
70
60
25
0.33
5
-35℃ to +85℃
-35℃ to +85℃
AlInGaP SUPER RED
70
90
25
UNIT
mW
mA
mA
mA/℃
V
Soldering Conditions : 1/16 inch below seating plane for 3 seconds at 260
0
C
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
4 of 6
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
ELECTRICAL / OPTICAL CHARACTERISTICS
AlInGaP GREEN
PARAMETER
Average Luminous Intensity per Dot
Average Luminous Intensity
Peak Emission Wavelength
Spectral Line Half-Width
Dominant Wavelength
Forward Voltage any Dot
Reverse Current any Dot
Luminous Intensity Matching Ratio
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
V
λp
∆λ
λd
V
F
I
R
I
V
-m
4300 6200
674
972
571
15
572
2.1
2.6
100
2:1
ucd
cd/m
nm
nm
nm
V
µA
2
I
p
=48mA
1/16Duty
I
F
=20mA
I
F
=20mA
I
F
=20mA
I
F
=20mA
V
R
=5V
I
F
=3mA
ELECTRICAL / OPTICAL CHARACTERISTICS
AlInGaP SUPER RED
PARAMETER
Average Luminous Intensity per Dot
Average Luminous Intensity
Peak Emission Wavelength
Spectral Line Half-Width
Dominant Wavelength
Forward Voltage any Dot
Reverse Current any Dot
Luminous Intensity Matching Ratio
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
V
λp
∆λ
λd
V
F
I
R
I
V
-m
2100 4000
329
627
639
20
631
2.0
2.6
100
2:1
ucd
cd/m
nm
nm
nm
V
µA
2
I
p
=48mA
1/16Duty
I
F
=20mA
I
F
=20mA
I
F
=20mA
I
F
=20mA
V
R
=5V
I
F
=3mA
Note: Luminous intensity is measured with a light sensor and filter combination that
approximates the CIE (Commission International De L’Eclairage) eye-response curve.
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
5 of 6
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