1.Mechanical Data: character x line :20x4 module dimension:98.0x60.0mm viewing area:76.0x25.2mm dot size:0.55x0.55mm character size:2.95x4.75mm 2.Absolute maximum rating supply voltage(Vdd-Vss):-0.3V(min),7V(max) input voltage(Vi):-0.3V(min),Vdd+0.3(max) operating temp.:0~50℃ storage temp.:-20~70℃ 3.Electronical characteristics input high voltage:2.2V(min),Vdd(max) input low voltage:0V(min),0.6V(max) output high voltage:2.4V(min), Vdd(max)(condition:Ioh=0.205mA) output low voltage:0V(min),0.4V(max)(condition:I=1.2mA) supply current:1.2mA(Typ),3.0mA(max)(condition:Vdd=5.0V)