lightkey spec no: ds1012181 1 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 1.20 inch 8x8 square d o t matrix led displa y lm12288 a/b series ? 1.20 inch 8x8 s quare 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 ? 31.70mm (1.20in c h) m a tri x height ? d o t s i z e : 3 x 3 m m ? pitch: 4.00m m ? 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 col. 8 7 6 5 4 3 2 1 row 4 5 6 7 8 2 1 3 3 1 . 7 0 4 . 0 0 * 7 = 2 8 . 0 0 31.70 4.00*7=28.00 2 . 54*7=17.78 8 . 0 0 24.00 pin 1 3 . 0 * 3 . 0 0. 5 1 5 . 3 0 0 . 5 0 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: ds1012181 1 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 1.20 inch 8x8 square d o t matrix led displa y internal circuit diagram lm122 88 a (common ca thode ro w ) lm122 88 b (common an ode ro w ) 8 5 3 2 row 1 5 6 7 4 3 8 pi n col. no. pi n 2 1 14 no . 9 1 13 7 2 10 4 34 7 15 16 8 6 5 11 6 8 5 row 5 6 4 3 2 1 1 7 8 12 no. pi n 9 no. 14 col. pi n 13 1 3 2 7 2 10 4 15 78 16 6 5 11 6 3 4 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. lm1228 8ar lm1228 8br gaalas super red 640 8 10 lm1228 8ad lm1228 8bd gaalas h i - r e d 6 4 0 1 8 2 5 lm1228 8ao lm1228 8bo gaasp oran ge 625 7 9 lm1228 8ay lm1228 8by gaasp yellow 588 8 10 lm1228 8ag lm1228 8bg g a p gree n 568 7 9 lm1228 8aur lm1228 8bur algainp ultra red 640 30 45 lm1228 8auo lm1228 8buo algainp ultra o r an ge 625 45 60 lm1228 8aua lm1228 8bua algainp ultra ambe r 605 30 45 lm1228 8auy lm1228 8buy algainp ultra yello w 595 30 45 lm1228 8aug lm1228 8bug algainp ultra g r ee n 573 30 45 lm1228 8apg lm1228 8bpg ingan pure g r een 525 120 300 lm1228 8aub lm1228 8bub ingan ultra blue 470 30 45 lm1228 8auw lm1228 8buw s m d ultra white \ 100 120 u n i t : \ \ \ n m mc d mc d
lightkey spec no: ds10121811 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 1.20 inch 8x8 square 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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