dd 0.4 -- 5.0 dd 0.6 max. 40 characters x 2 lines + yellow green led backlight 40 characters x 2 lines 160 seg -0.3 input voltage v + 0.3 v electrical characteristics controller or eqv. s6a0069 lsi lcd v o db7 ledk leda e db0 rs r/w block diagram output low voltage lcd driving voltage supply current v v dd ss input high voltage output high voltage input low voltage storage temp. operating temp. item led backlight 40 seg segment driver ( v -30 -20 = 1.2ma = - 0.2ma ol v i ol v 16 com - v i dd v dd o ta=25 = 5.0v dd c i oh symbol v v v il ih t stg opr i t condition -- -- test oh 0 -- lcd panel -- -- 4.6 2.0 =5v 0.25v ) 2.2 2.4 - 0.3 min. dd -- -- -- typ. v v 80 70 dd absolute maximum ratings LC4021-LY supply voltage(lcd) supply voltage(logic) item -0.3 -0.3 min. symbol ss dd dd v v - v - v o 13.0 7.0 max. character size ( w x h ) v 3.2 x 5.55 mm led backlight specifications (ta=25 approx. 65 / 90 0.6 x 0.65 power supply for led backlight in 8-bit bus mode, used as high order bidirectional data bus. in 4-bit bus mode, used as both high and low order data bus. gnd operating voltage for lcd in 8-bit bus mode, used as low order bidirectional data bus. in 4-bit bus mode, open these pins. l : write enable signal power supply for logic l : instruction code h : data h : read emission wave length forward voltage forward current db6 db7 ledk leda item 15 16 13 14 i l p f +5v h/l h/l 0v v symbol f weight (reflective/led) dot size ( w x h ) pin connections db4 db5 ss db1 db3 db2 db0 r/w rs o dd symbol v ma v 7 10 11 12 9 8 5 6 4 e unit v v v c c 1 3 2 pin v v v h/l >l _ h/l h/l h/l h/l h/l h/l h/l h,h +5v level 0v -- v nm ma unit 250 -- 568 -- 4.1 typ. max. 4.3 c) mm function g 182.0 x 33.5 x 10.0/14.5 nominal dimensions 155.0 x 16.0 mechanical data viewing area ( w x h ) module size ( w x h x t ) item v unit v mm mm unit
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