lightkey spec no: ds10121823 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 1/3 http://www .displa y -leds.com tel: 0086- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.90 inch 8x8 dot matri x led displa y lm19088 c/d series ? 1.90 inch 8x8 dot matrix led displa y at t e n t i o n ob ser ve pr ec a u t i o n s fo r h a ndl i n g e l e c tro s t a ti c di s c h a rg e sen s i t i v e d evi c e s f e a t u r e s ? 47.80 mm (1. 90 inch) matri x height ? d o t s i z e : d i a m e t e r 4 . 8 0 m m ? pitch: 6.00 mm ? w i d e v i e w i n g a n g l e ? r a n g e o f e m i t t e d c o l o r s ? i . c . c o m p a t i b l e ? l o w p o w e r c o n s u m p t i o n ? w h i t e d o t , g r e y o r b l a c k f a c e available options ? alternativ e emi tting lumi nosit y: standar d or hi gh bri ghtn e ss versio n ? alternativ e emi tted color ? alternativ e dot color ? alternativ e face color ? both ca or cc versions ar e a v aila bl e ? crop ped termi nal p i ns ? rohs com p li a n t package di mensions 36.00 3 0.51 2.54*12= 3 0 .48 47 .80 6.00* 7 = 42.00 pi n 1 4 7 . 8 0 4 . 8 0 6 . 0 0 * 7 = 4 2 . 0 0 9 . 0 0 co l. 12 8 7 6 5 4 3 2 1 4 57 68 row notes: 1. all dim ens ion s are in millimet ers (inches), t o lerance is + 0.25mm (0.01inch) u n less other w i se noted. 2. specific ation s are subj ect to change w i thout notice. 3. t he ga p between the reflector and pcb s hall not ex ceed 0.2 5 mm.
lightkey spec no: ds10121823 rev : a.4 checke d: emil y zh ou appr oved: m.h. lin p a ge: 2/3 http://www .displa y -leds.com tel: 0086- 574 - 8632 228 2 da te: jul/20/201 1 dat a shee t of 1.90 inch 8x8 dot matri x led displa y internal circuit diagram lm190 88 c (common ca thode ro w ) l m 1908 8d (common ano d e ro w ) row row 8 5 1 5 6 7 2 7 4 3 12 8 8 5 6 7 4 3 pi n col. no. pi n 2 1 14 no. 9 1 13 3 2 4 3 10 4 6 5 7 15 11 6 16 8 2 1 5 1 7 2 8 12 no. pi n 9 no. 14 col. pin 13 1 3 2 3 4 10 4 6 5 11 6 15 78 16 selection guide part no. chip i v @if= 20ma one do t common cathode ro w common anod e ro w m a t e r i a l c o l o r wl d m i n . t y p. lm1908 8cr lm1908 8dr gaalas super red 640 8 10 lm1908 8cd lm1908 8dd gaalas h i - r e d 6 4 0 1 8 2 5 lm1908 8co lm1908 8do gaasp oran ge 625 7 9 lm1908 8cy lm1908 8dy gaasp yellow 588 8 10 lm1908 8cg lm1908 8dg g a p gree n 568 7 9 lm1908 8cur lm1908 8dur algainp ultra red 640 30 45 lm1908 8cuo lm1908 8duo algainp ultra o r an ge 625 45 60 lm1908 8cua lm1908 8dua algainp ultra ambe r 605 30 45 lm1908 8cuy lm1908 8duy algainp ultra yello w 595 30 45 lm1908 8cug lm1908 8dug algainp ultra g r ee n 573 30 45 lm1908 8cp g lm1908 8dp g ingan pure g r een 525 120 300 lm1908 8cub lm1908 8dub ingan ultra blue 470 30 45 lm1908 8cuw lm1908 8duw s m d ultra white \ 100 120 u n i t : \ \ \ n m mc d mc d
lightkey spec no: ds10121823 rev: a.4 checked: emil y zhou approved: m.h. lin page: 3/3 http://www.display-leds.com tel: 0086-574-86322282 date: jul/20/2011 datasheet of 1.90 inch 8x8 dot matrix led display electrical characteristics & absolute maximum ratings electrical characteristics [1] absolute maximum ratings [1] v f @ i f =20ma [2] color typ. max. reverse current vr=5v power dissipation dc forward current peak forward 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.
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