LG128642 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 19.0 VDD + 0.3 70 80 V V V C -20 -30 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 --- Min. 2.0 - 0.3 2.4 0 --- I OH = - 0.2mA I OL = 1.6mA VDD = 5.0V Ta=25 C Typ. ----6.0 11.2 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. Dot Size ( W x H ) Weight (Reflective/LED) 75.0 x 52.7 x 7.5/9.5 60.0 x 32.6 0.43 x 0.43 0.40 x 0.40 Approx. 30 / 40 Unit mm mm mm mm g PIN CONNECTIONS ELECTRICAL CHARACTERISTICS ( V DD =5V 0.25V ) Item Nominal Dimensions 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 Symbol Level 1 2 3 4 V DD VSS VO +5V 0V -H/L H/L H/L H/L H/L H/L 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /CS1 /CS2 /RST R/W RS E VOUT LEDA LEDK H/L H/L L L L H/L H/L _ H,H >L -10V +5V 0V Function Power supply for logic GND Operating voltage for logic Data bus line Chip selection for IC1, active "L" Chip selection for IC2, active "L" Reset signal, active "L" H : Read L : Write H : Data L : Instruction code Enable signal Output voltage for LCD driving Power supply for LED backlight LED BACKLIGHT SPECIFICATIONS (Ta=25 C) Item LED Backlight Forward Voltage Forward Current Emission Wave Length Symbol Typ. Max. Unit Vf If 4.1 120 568 4.3 --- V mA nm λp