LightKey Datasheet of 1.90 inch 8x8 Dual Color Dot Matrix LED Display LM19088E/FRG Series – 1.90 inch 8x8 Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 47.80mm (1.90inch) digit high ¾ ¾ Dot size: Diameter 4.80 mm ¾ Pitch: 6.00 mm ¾ Wide viewing angle ¾ Emitted colors: red and green 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 Both CC and CA versions are available Cropped terminal pins Package Dimensions 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: DS10121824 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 Dual Color Dot Matrix LED Display Internal Circuit Diagram Common Cathode Row) Common Anode Row Selection Guide 1.90 inch 8x8 Red-Green LED dot matrix module, Matrix Height: 37.90mm(1.90 inch), External Dimensions: 47.80x47.80x9.00 mm (L x W x H) Part No. Chip Description Cathode Row Anode Row Standard Brightness LM19088ERG LM19088FRG Material Brightness LM19088EURUG SPEC NO: DS10121824 LM19088FURUG REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM One Dot W LD (nm) Min. Typ. Super Red 640 8 10 Green 568 7 9 AlGaInP Ultra Red 640 30 45 AlGaInP Ultra Green 573 30 45 GaAlAs GaP Ultra-High Color Iv(mcd)@20mA 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 Dual Color Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical optical LM19088E/FRG Characteristics VF(V) Color Absolute Maximum Ratings[1] [1] Reverse @ IF=20mA[2] Current Power DC Forward VR=5V Dissipation Current (uA) (mW) (mA) Peak Forward Current[3] (mA) Reverse Voltage (V) Typ. Max. Super Red 1.8 2.2 30 60 25 100 5 Green 2.2 2.5 30 80 30 100 5 Ultra Red 1.9 2.6 30 60 30 100 5 Ultra Green 2.1 2.6 300 75 30 100 5 Operating/ Storage Temp.: -40 to +80 deg.; Lead Solder Temp.: 260 deg. for 3-5 Sec. 2mm below package base 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: DS10121824 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