LightKey Datasheet of 1.90 inch 8x8 Dot Matrix LED Display LM19088A/B Series – 1.90 inch 8x8 Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 47.80 mm (1.90 inch) matrix height ¾ ¾ Dot size: Diameter 4.80 mm ¾ Pitch: 6.00 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 4 47.80 6.00*7=42.00 2 5 6 7 8 PIN 1 6.00*7=42.00 4. 80 9.00 47.80 0.51 36.00 2.54*12=30.48 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: DS10121821 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 1.90 inch 8x8 Dot Matrix LED Display Internal Circuit Diagram LM19088A (Common Cathode Row) COL. 1 PIN NO. 24 PIN ROW NO. 1 23 LM19088B (Common Anode Row) 2 3 4 5 6 7 8 2 21 5 18 8 15 11 ROW COL. 1 2 3 4 5 6 7 8 PIN NO. 24 PIN NO. 2 21 5 18 8 15 11 1 23 2 1 2 1 3 20 3 20 4 4 4 4 5 17 5 17 6 7 6 7 7 14 7 14 8 10 8 10 3,6,9,12,13,16,19,22 NO PIN 3,6,9,12,13,16,19,22 NO PIN Selection Guide Part No. Chip Common Common Cathode Row Anode Row Material Iv@IF=20mA Color One Dot WLD Min. Typ. LM19088AR LM19088BR GaAlAs Super Red 640 8 10 LM19088AD LM19088BD GaAlAs Hi-Red 640 18 25 LM19088AO LM19088BO GaAsP Orange 625 7 9 LM19088AY LM19088BY GaAsP Yellow 588 8 10 LM19088AG LM19088BG GaP Green 568 7 9 LM19088AUR LM19088BUR AlGaInP Ultra Red 640 30 45 LM19088AUO LM19088BUO AlGaInP Ultra Orange 625 45 60 LM19088AUA LM19088BUA AlGaInP Ultra Amber 605 30 45 LM19088AUY LM19088BUY AlGaInP Ultra Yellow 595 30 45 LM19088AUG LM19088BUG AlGaInP Ultra Green 573 30 45 LM19088APG LM19088BPG InGaN Pure Green 525 120 300 LM19088AUB LM19088BUB InGaN Ultra Blue 470 30 45 LM19088AUW LM19088BUW SMD Ultra White \ 100 120 nm mcd mcd Unit: \ SPEC NO: DS10121821 \ 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 1.90 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: DS10121821 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