page 61 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 13.5 v input voltage v in v ss v dd v operating temperature t op 0 50 c storage temperature t stg -20 70 c features character format .......................................5x7 dots with cursor backlight....................................................................el optional options....tn/gray stn/yellow stn, 12 o?clock/6 o?clock view normal/extended temperature normal/negative displays physical data module size....................................116.0w x 37.0h x 11.0t mm viewing area size.........................................83.0w x 18.6h mm weight...................................................................................30g block diagram pin connections pin no. symbol level function 1 v ss - 0v power supply 2 v dd - 5v 3 v l - - 4 rs h/l h: data input l: instruction data input 5 r/w h/l h: data read l: data write 6 e h,h ? l enable signal 7 d0 h/l data bus 8 d1 h/l 9 d2 h/l 10 d3 h/l 11 d4 h/l 12 d5 h/l 13 d6 h/l 14 d7 h/l dimensional drawing 3.2 0.6 0.05 0.6 0.65 4 . 7 1 . 6 0.05 5.55 0.4 4-r1.0 1 4- f 3.5 16- f 1.0 116.0 13.0 1 1 . 0 m a x 15 17.75 4 . 0 3 7 . 0 2 9 . 0 2 . 5 4 x 7 = 1 7 . 7 8 8 . 3 4 3 2 . 2 1 8 . 5 1 1 . 5 1 0 . 0 5 . 2 8 . 7 5 1 . 3 108.0 92.2 83.0 75.4 8.4 4.0 a k 2.73 2.54 dimension tolerance: +/-0.3mm 20 character x 2 lines d0 - d7 e r/w rs v l v dd v ss lcd controller hd44780 or equivalent lcd panel com seg 16 40 driver x2 4 60 electrical characteristics (vdd=5.00.25v 25c) parameter sym condition min typ max unit input high voltage v ih - 2.2 - - v input low voltage v il - - - .6 v output high voltage v oh i oh =0.2ma 2.4 - - v output low voltage v ol i ol =1.2ma - - 0.4 v power supply current i dd v dd =5.0v - 1.0 2.2 ma power supply for lcd v dd -v l ta=25c 4.3 - 4.7 v drive method 1/16 duty hdm20216h-3
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