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| LC4041 40 characters x 4 lines 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 13.0 VDD + 0.3 70 80 Unit V V V C MECHANICAL DATA Item Nominal Dimensions Unit mm mm mm mm g Module Size ( W x H x T ) 190.0 x 54.0 x 10.0/14.5 147.0 x 29.5 Viewing Area ( W x H ) 2.78 x 4.97 Character Size ( W x H ) 0.5 x 0.56 Dot Size ( W x H ) Weight (Reflective/LED) Approx. 95 / 125 C ELECTRICAL CHARACTERISTICS ( V DD =5V 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 --IOH = - 0.2mA IOL = 1.2mA VDD = 5.0V Ta=25 C Min. 2.2 - 0.3 2.4 0 --- a0.25V ) Typ. ----3.0 4.6 Max. Unit V DD 0.6 V DD 0.4 5.0 -V V V V mA V PIN CONNECTIONS Pin 1 2 3 4 5 6 7 8 9 Symbol DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 E1 R/W RS VO VSS V DD E2 NC LEDA LEDK Level H/L H/L H/L H/L H/L H/L H/L H/L _ H,H >L H/L H/L -0V +5V _ H,H >L -+5V 0V Function In 8-bit bus mode, used as high order bidirectional data bus. In 4-bit bus mode, used as both high and low order data bus. In 8-bit bus mode, used as low order bidirectional data bus. In 4-bit bus mode, open these pins. Enable signal 1 H : Read L : Write H : Data L : Instruction code Operating voltage for LCD GND Power supply for logic Enable signal 2 No connection Power supply for LED backlight BLOCK DIAGRAM 4 Control Signals Segment driver 10 11 VSS VDD VO RS R/W E1 E2 DB0 DB7 40 SEG LCD Controller LSI KS0066 or Eqv. x 2 16 COM 40 SEG 160 SEG 160 SEG 16 COM LCD PANEL 40 Characters x 4 Lines 12 13 14 15 16 17 18 C) LED BACKLIGHT SPECIFICATIONS (Ta=25 Item Symbol Vf If Typ. 4.1 500 568 Max. 4.3 --Unit V mA nm Forward Voltage Forward Current Emission Wave Length LEDA LEDK Segment driver LED Backlight 4 Control Signals p |
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