LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES ＊1.85 inch (47.0 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 ＊CATEGORIZED FOR LUMINOUS INTENSITY DESCRIPTION The LTP-18188KM-01 is a 1.85 inch ( 47.0 mm) matrix height 8×8 dot matrix displays. This device uses AS-AlInGaP HYPER RED LED chips ( AlInGaP epi on GaAs substrate) and AS-AlInGaP GREEN LED chips ( AlInGaP epi on GaAs substrate). The display has black face white dots. DEVICE PART NO. DESCRIPTION AlInGaP HYPER RED & AlInGaP GREEN Anode Column Cathode Row LTP-18188KM-01 PART NO.: LTP-18188KM-01 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. Tolerance is ± 0.25-mm (0.01“) unless otherwise noted. INTERNAL CIRCUIT DIAGRAM PART NO.: LTP-18188KM-01 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 Row 2 13 Cathode Row 7 2 Anode Column 2 AlInGaP GREEN 14 Anode Column 7 AlInGaP GREEN 3 Anode Column 2 AlInGaP HYPER RED 15 Anode Column 7 AlInGaP HYPER RED 4 Cathode Row 4 16 Cathode Row 5 5 Anode Column 4 AlInGaP GREEN 17 Anode Column 5 AlInGaP GREEN 6 Anode Column 4 AlInGaP HYPER RED 18 Anode Column 5 AlInGaP HYPER RED 7 Cathode Row 6 19 Cathode Row 3 8 Anode Column 6 AlInGaP GREEN 20 Anode Column 3 AlInGaP GREEN 9 Anode Column 6 AlInGaP HYPER RED 21 Anode Column 3 AlInGaP HYPER RED 10 Cathode Row 8 22 Cathode Row 1 11 Anode Column 8 AlInGaP GREEN 23 Anode Column 1 AlInGaP GREEN 12 Anode Column 8 AlInGaP HYPER RED 24 Anode Column 1 AlInGaP HYPER RED PART NO.: LTP-18188KM-01 BNS-OD-C131/A4 PAGE: 3 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only ABSOLUTE MAXIMUM RATING PARAMETER AlInGaP GREEN UNIT Average Power Dissipation Per Dot 35 mW Peak Forward Current Per Dot 60 mA Average Forward Current Per Dot Derating Linear From 25℃ Per Dot 13 0.17 mA mA/℃ Reverse Voltage Per Dot 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 AlInGaP GREEN PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 1370 3600 µcd Ip=30mA 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 Reverse Current any Dot IR 100 IV-m 2:1 Luminous Intensity Matching Ratio 2.05 2.6 2.3 2.8 V µA IF=20mA IF=80mA VR=5V Ip=30mA 1/16Duty 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-18188KM-01 BNS-OD-C131/A4 PAGE: 4 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only ABSOLUTE MAXIMUM RATING PARAMETER AlInGaP HYPER RED UNIT Average Power Dissipation Per Dot 40 mW Peak Forward Current Per Dot 90 mA Average Forward Current Per Dot Derating Linear From 25℃ Per Dot 15 0.2 mA mA/℃ Reverse Voltage Per Dot 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 AlInGaP HYPER RED PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 1650 3500 µcd Ip=32mA 1/16Duty Peak Emission Wavelength λp 650 nm IF=20mA Spectral Line Half-Width ∆λ 20 nm IF=20mA Dominant Wavelength λd 639 nm IF=20mA Forward Voltage any Dot VF Reverse Current any Dot IR 100 IV-m 2:1 Luminous Intensity Matching Ratio 2.1 2.6 2.3 2.8 V µA IF=20mA IF=80mA VR=5V Ip=32mA 1/16Duty 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-18188KM-01 BNS-OD-C131/A4 PAGE: 5 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-on Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTP-18188KM-01 BNS-OD-C131/A4 PAGE: 6 of 6