LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES *1.22 inch (31.0 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. . DESCRIPTION The LTP-12188M-07 is a 1.22 inch (31.0 mm) matrix height 8×8 dot matrix display. This device uses AS-AlInGap GREEN LED chips (AlInGap epi on GaP substrate),and AS-AlInGap HYPER RED LED chips (AlInGap epi on a GaAs substrate). The display has black face and water clear dots. DEVICE PART NO. DESCRIPTION MULTI-COLOR ANODE ROW CATHODE COLUMN LTP-12188M-07 PART NO.: LTP-12188M-07 BNS-OD-C131/A4 PAGE: 1 of 5 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-12188M-07 BNS-OD-C131/A4 PAGE: 2 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PIN CONNECTION NO CONNECTION NO CONNECTION 1 CATHODE COL. 5 GREEN 13 ANODE ROW. 4 2 CATHODE COL. 5 RED ORANGE 14 CATHODE COL. 4 3 ANODE ROW. 5 15 CATHODE COL. 4 GREEN 4 CATHODE COL. 6 GREEN 16 ANODE ROW. 3 5 CATHODE COL. 6 RED ORANGE 17 CATHODE COL. 3 6 ANODE ROW. 6 18 CATHODE COL. 3 GREEN 7 CATHODE COL. 7 GREEN 19 ANODE ROW. 2 8 CATHODE COL. 7 RED ORANGE 20 CATHODE COL. 2 RED ORANGE 9 ANODE ROW. 7 21 CATHODE COL. 2 GREEN 10 CATHODE COL. 8 GREEN 22 ANODE ROW. 1 11 CATHODE COL. 8 RED ORANGE 23 CATHODE COL. 1 RED ORANGE 12 ANODE ROW 8 24 CATHODE COL. 1 GREEN PART NO.: LTP-12188M-07 BNS-OD-C131/A4 PAGE: RED ORANGE RED ORANGE 3 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING PARAMETER AllnGaP GREEN AllnGaP HYPER RED UNIT Average Power Dissipation Per Dot 70 70 mW Peak Forward Current Per Dot 60 90 mA 25 0.33 25 0.33 mA mA/℃ Average Forward Current Per Dot Derating Linear From 25℃ Per Dot Reverse Voltage Per Dot 5 5 -35℃ to +85℃ Operating Temperature Range V -35℃ to +85℃ Storage Temperature Range Solder Temperature: max 260℃ for max 3sec at 1.6mm[1/16inch] below seating plane. ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC AllnGaP GREEN PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 5400 9360 µcd Ip=40mA 1/8Duty 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 2.05 2.6 V IF=20mA Reverse Current any Dot IR 100 µA VR=5V IV-m 2:1 Luminous Intensity Matching Ratio Ip=40mA 1/8Duty AllnGaP HYPER RED PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 4300 7020 µcd Ip=40mA 1/8Duty Peak Emission Wavelength λp 656 nm IF=20mA Spectral Line Half-Width ∆λ 22 nm IF=20mA Dominant Wavelength λd 640 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 Ip=40mA 1/8Duty Note: Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve. PART NO.: LTP-12188M-07 BNS-OD-C131/A4 PAGE: 4 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTP-12188M-07 BNS-OD-C131/A4 PAGE: 5 of 5