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LG128642
128 x 64 dots
ABSOLUTE MAXIMUM RATINGS
Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. Symbol VDD - VSS VDD - VO VI Topr Tstg Min. -0.3 -0.3 -0.3 -20 -30 Max. 7.0 19.0 VDD + 0.3 70 80 Unit V V V C
MECHANICAL DATA
Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) Dot Size ( W x H ) Weight (Reflective/LED) Nominal Dimensions 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
C
ELECTRICAL CHARACTERISTICS ( V DD =5Va0.25V )
Item Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage Symbol VIH VIL VOH VOL I DD VDD - VO Test Condition --I OH = - 0.2mA IOL = 1.6mA VDD = 5.0V C Ta=25 Min. 2.0 - 0.3 2.4 0 --Typ. ----6.0 11.2 Max. Unit V DD 0.8 V DD 0.4 8.0 -V V V V mA V
PIN CONNECTIONS
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol V DD VSS VO DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /CS1 /CS2 /RST R/W RS E VOUT LEDA LEDK Level +5V 0V -H/L H/L H/L H/L H/L H/L 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
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.
64 SEG KS0108 or Eqv.
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
DB0 DB7 RS, R/W, E, /RST /CS1 /CS2 LEDA LEDK LED Backlight
C) LED BACKLIGHT SPECIFICATIONS (Ta=25
Item Forward Voltage Forward Current Emission Wave Length Symbol Vf If Typ. 4.1 120 568 Max. 4.3 --Unit V mA nm
p

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