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. DESCRIPTION MULTI-COLOR Cathode Column Anode Row LTP-7388M 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. CONNECTION No. CONNECTION 1 CATHODE COLUMN 1 RED 13 ANODE ROW 4 2 CATHODE COLUMN 2 RED 14 CATHODE COLUMN 3 RED 3 ANODE ROW 8 15 ANODE ROW 3 4 CATHODE COLUMN 4 RED 16 CATHODE COLUMN 5 RED 5 ANODE ROW 7 17 CATHODE COLUMN 6 RED 6 CATHODE COLUMN 7 GREEN 18 CATHODE COLUMN 1 GREEN 7 CATHODE COLUMN 8 GREEN 19 CATHODE COLUMN 2 GREEN 8 CATHODE COLUMN 3 GREEN 20 ANODE ROW 2 9 CATHODE COLUMN 4 GREEN 21 CATHODE COLUMN 5 GREEN 10 ANODE ROW 6 22 ANODE ROW 1 11 CATHODE COLUMN 6 GREEN 23 CATHODE COLUMN 7 RED 12 ANODE ROW 5 24 CATHODE COLUMN 8 RED PART NO.: LTP-7388M BNS-OD-C131/A4 PAGE: 3 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING AlInGaP GREEN AlInGaP SUPER RED UNIT Average Power Dissipation Per Dot 70 70 mW Peak Forward Current Per Dot ( Frequency 1Khz, 10% duty cycle) 60 90 mA Average Forward Current Per Dot 25 25 mA mA/℃ PARAMETER Forward Current Derating from 250C Reverse Voltage Per Segment 0.33 Operating Temperature Range 5 -35℃ to +85℃ Storage Temperature Range -35℃ to +85℃ V Soldering Conditions : 1/16 inch below seating plane for 3 seconds at 2600C 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 SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION IV 4300 6200 674 ucd 972 cd/m 2 Ip=48mA 1/16Duty Peak Emission Wavelength λp 571 nm IF=20mA Spectral Line Half-Width ∆λ 15 nm IF=20mA Dominant Wavelength λd 572 nm IF=20mA Forward Voltage any Dot VF 2.1 2.6 V IF=20mA Reverse Current any Dot IR 100 µA VR=5V IV-m 2:1 Luminous Intensity Matching Ratio IF=3mA ELECTRICAL / OPTICAL CHARACTERISTICS AlInGaP SUPER RED PARAMETER Average Luminous Intensity per Dot Average Luminous Intensity SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION IV 2100 4000 329 ucd 627 cd/m 2 Ip=48mA 1/16Duty Peak Emission Wavelength λp 639 nm IF=20mA Spectral Line Half-Width ∆λ 20 nm IF=20mA Dominant Wavelength λd 631 nm IF=20mA Forward Voltage any Dot VF 2.0 2.6 V IF=20mA Reverse Current any Dot IR 100 µA VR=5V IV-m 2:1 Luminous Intensity Matching Ratio IF=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 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES PART NO.: LTP-7388M BNS-OD-C131/A4 PAGE: 6 of 6