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LG128644-DW
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128 x 64 dots + white led backlight
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 25.0 VDD + 0.3 70 80 Unit V V V C 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 Nominal Dimensions 78.0 x 70.0 x 13.5 62.0 x 44.0 0.44 x 0.60 0.40 x 0.56 Approx. 80 Unit mm mm mm mm g
ELECTRICAL CHARACTERISTICS ( V DD =5V0.25V )
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 ----VDD = 5.0V Ta=25 C Min. VDD -2.2 - 0.3 Typ. ----Max. Unit V DD 0.8 V DD 0.3 15.0 -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 FG VSS V DD VO /WR /RD /CE _ C/D /RST DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 FS LEDK LEDA Level -0V +5V -L L L H/L L H/L H/L H/L H/L H/L H/L H/L H/L H/L 0V +5V Function Frame ground GND Power supply for logic Operating voltage for LCD Write signal, active "L" Read signal, active "L" Chip enable singal, active "L" L : Data H : Instruction code Reset signal, active "L"
VDD -0.3 0 -10.0 -10.5
BLOCK DIAGRAM
/WR /RD /CE C/D DB0 I DB7 /RST FS
LCD Controller LSI T6963C
Common Driver x1
64
LCD PANEL 128 x 64 dots
Data bus line
128 32K RAM Segment Driver x2
Font selection
L: 8x8, H: 6x8
Power supply for LED backlight
LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
FG VSS VDD VO J1 Power Circuit To LSI LEDA LEDK LED Backlight Item Forward Voltage Forward Current LED Color Symbol Vf If Typ. 3.1 60 White Max. 3.3 -Unit V mA

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