LightKey Datasheet of 2.00 inch 8x8 Dot Matrix LED Display LM20088A/B Series – 2.00 inch 8x8 Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 50.80 mm (2.00 inch) matrix height ¾ ¾ Dot size: Diameter 5.00 mm ¾ Pitch: 6.35 mm ¾ Wide viewing angle ¾ Range of emitted colors ¾ I.C. compatible ¾ Low power consumption ¾ White dot, grey or black face ¾ RoHS compliant Alternative emitting luminosity: Standard or high brightness version ¾ ¾ ¾ ¾ ¾ Alternative emitted color Alternative dot color Alternative face color Both CA or CC versions are available Cropped terminal pins Package Dimensions COL. 1 2 3 4 5 6 7 8 ROW 1 3 50.80 6.35*7= 44.45 2 4 5 6 7 8 PIN 1 6.35*7=44.45 5. 0 50.80 0.60 38.10 Notes: 1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted. 2. Specifications are subject to change without notice. 3. The gap between the reflector and PCB shall not exceed 0.25mm. SPEC NO: DS10121828 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 1/3 DATE: Jul/20/2011 LightKey Datasheet of 2.00 inch 8x8 Dot Matrix LED Display Internal Circuit Diagram LM20088A (Common Cathode Row) LM20088B (Common Anode Row) 1 2 3 4 5 6 7 8 PIN NO. 20 19 18 17 16 15 14 13 COL. 1 PIN NO. 1 2 2 2 3 3 3 3 4 4 4 4 5 21 5 21 6 22 6 22 7 23 7 23 8 24 8 24 1 PIN NO. 1 2 ROW 1 2 3 4 5 6 7 8 PIN 20 NO. 19 18 17 16 15 14 13 COL. ROW 5,6,7,8,9,10,11,12 NO CONNECT 5,6,7,8,9,10,11,12 NO CONNECT Selection Guide Part No. Chip Common Common Cathode Row Anode Row Material Iv@IF=20mA Color One Dot WLD Min. Typ. LM20088AR LM20088BR GaAlAs Super Red 640 8 10 LM20088AD LM20088BD GaAlAs Hi-Red 640 18 25 LM20088AO LM20088BO GaAsP Orange 625 7 9 LM20088AY LM20088BY GaAsP Yellow 588 8 10 LM20088AG LM20088BG GaP Green 568 7 9 LM20088AUR LM20088BUR AlGaInP Ultra Red 640 30 45 LM20088AUO LM20088BUO AlGaInP Ultra Orange 625 45 60 LM20088AUA LM20088BUA AlGaInP Ultra Amber 605 30 45 LM20088AUY LM20088BUY AlGaInP Ultra Yellow 595 30 45 LM20088AUG LM20088BUG AlGaInP Ultra Green 573 30 45 LM20088APG LM20088BPG InGaN Pure Green 525 120 300 LM20088AUB LM20088BUB InGaN Ultra Blue 470 30 45 LM20088AUW LM20088BUW SMD Ultra White \ 100 120 nm mcd mcd Unit: \ SPEC NO: DS10121828 \ REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM \ CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 2/3 DATE: Jul/20/2011 LightKey Datasheet of 2.00 inch 8x8 Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical Absolute Maximum Ratings[1] [1] Characteristics Color VF@ Reverse IF=20mA[2] Current Typ. Max. VR=5V Power Dissipation DC Peak Forward Forward Current Current[3] Super Red Per Dot 1.8 2.2 30 60 25 100 Hi-Red Per Dot 1.8 2.2 30 60 25 100 Orange Per Dot 2.1 2.5 30 80 30 100 Yellow Per Dot 2.1 2.5 30 80 30 100 Green Per Dot 2.2 2.5 30 80 30 100 Ultra Red Per Dot 1.9 2.6 30 60 30 100 Ultra Orange Per Dot 2.0 2.6 30 65 30 100 Ultra Amber Per Dot 2.0 2.6 30 65 30 100 Ultra Yellow Per Dot 2.0 2.6 30 65 30 100 Ultra Green Per Dot 2.1 2.6 30 75 30 100 Pure Green Per Dot 3.5 4.0 30 110 30 100 Ultra Blue Per Dot 3.5 4.0 30 120 30 100 Ultra White Per Dot 3.5 4.0 30 120 30 100 Unit: \ V V uA mW mA mA Notes: 1. At Ta = 25 °C. 2. Forward voltage at forward current = 20mA. 3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse. SPEC NO: DS10121828 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 3/3 DATE: Jul/20/2011