page 28 electrical characteristics (vdd=5.00.25v 25c) parameter sym condition min typ max unit input high voltage v ih - 0.7 v dd - - v input low voltage v il - - - 0.3 vdd v output high voltage v oh i oh =0.4ma v dd -0.4 - - v output low voltage v ol i ol =0.4ma - - 0.4 v supply voltage v dd - 4.5 5.0 5.5 v -v ee - - 22.7 - v power supply current i dd v dd =5.0v - 9.0 18.0 ma -i ee v ee =-22.7v - 10.0 20.0 ma power supply for lcd v dd -v l t a =25c - 22.7 - v led power supply v led 21.0 24.0 27.0 v brightness l - - - nit led current i led v led = 24v - 40 50 ma white led power supply v led - 9.8 - v white led current i led v led = 9.8v - 35.0 - ma brightness (white led) l - 9.4 - nit frame frequency f fp - 65 72 80 hz drive method 1/240 duty physical data module size..............................134.5w x 117.0h x 14.0t mm viewing area size....................................103.0w x 79.0h mm dot pitch....................................................0.30w x 0.30h mm dot size.....................................................0.27w x 0.27h mm weight..............................................................................190g absolute maximum ratings parameter symbol min max unit supply voltage v dd -v ss 0 7.0 v supply voltage for lcd v dd -v l 0 26.0 v input voltage v in - 7.0 v operating temperature t op 0 50 c storage temperature t stg -20 70 c pin connections pin no. symbol function 1 v l - operating voltage for lc 2 v ee - power supply voltage for lc 3 db3 h/l data bus 4 db2 h/l 5 db1 h/l 6 db0 h/l 7 v ss - ground 8 v dd +5v logic power supply 9 cl2 h/h ? l data shift 10 cl1 h/h ? l data latch signal 11 flm h/l frame pulse 12 k - cathode, led back light 13 a - anode, led back light 14 nc - no connection 0 . 0 3 0 . 2 7 dimension tolerance: +/-0.3mm dimensional drawing 320 x 240 dots graphics led backlight 0.03 0.27 features backlight...........................................................................led options..................................gray stn / yellow stn / fstn normal/extended temperature bottom / top viewing built-in controller.............................................................none features v dd v l v ss l c m + + v lcd r h r l 5v 25v r h +r l = 10 ~ 20k w v ee power supply hdm3224-5 96.0 103.0 124.5 123.0 134.5 7 2 . 0 7 9 . 0 9 3 . 0 1 1 0 . 0 1 1 7 . 0 78.0 5.7 26.0 14-?1.1 2.0p 1 14 4-?3.5 14.0 max 7.5 1.6 5.0
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