LG128641 128 x 64 dots ABSOLUTE MAXIMUM RATINGS Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. MECHANICAL DATA Symbol Min. Max. Unit VDD - VSS VDD - VO VI Topr Tstg -0.3 7.0 -0.3 -0.3 -20 -30 19.0 VDD + 0.3 70 80 V V V C C â Symbol Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage VIH VIL VOH VOL I DD VDD - VO Test Condition --IOH = - 0.2mA IOL = 1.6mA VDD = 5.0V Ta=25 C Min. 2.0 - 0.3 2.4 0 --- Typ. ----6.0 12.0 Max. Unit V DD 0.8 V DD 0.4 8.0 -- BLOCK DIAGRAM KS0107 or Eqv. 64 COM LCD PANEL 128 x 64 dots 64 SEG VDD VSS VO VOUT DC/DC Converter KS0108 or Eqv. DB0 DB7 RS, R/W, E, /RST /CS1 /CS2 LEDA LEDK 64 SEG KS0108 or Eqv. Unit mm mm mm mm g Dot Size ( W x H ) Weight (Reflective/LED) PIN CONNECTIONS ELECTRICAL CHARACTERISTICS ( V DD =5V 0.25V ) Item Nominal Dimensions 78.0 x 70.0 x 10.5/13.0 62.0 x 44.0 0.44 x 0.60 0.40 x 0.56 Approx. 65 / 75 Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) V V V V mA V Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol /CS1 /CS2 V SS V DD VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /RST VOUT LEDA LEDK Level Function L L Chip selection for IC1, active "L" Chip selection for IC2, active "L" 0V +5V -H/L H/L _ H,H >L H/L H/L H/L H/L H/L H/L H/L H/L L -10V +5V 0V GND Power supply for logic Operating voltage for LCD H : Data L : Instruction code H : Read L : Write Enable signal Data bus line Reset signal, active "L" Output voltage for LCD driving Power supply for LED backlight LED BACKLIGHT SPECIFICATIONS (Ta=25 C) Item LED Backlight Array(A.) or Edge(E.) Forward Voltage Forward Current (A./E.) Emission Wave Length Symbol Typ. Max. Unit Vf If 4.1 300/150 568 4.3 --- V mA λp nm