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LC0821-DW
8 characters x 2 lines + 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 13.0 VDD + 0.3 70 80 Unit V V V C C
MECHANICAL DATA
Item Nominal Dimensions Unit mm mm mm mm g Module Size ( W x H x T ) 58.0 x 32.0 x 14.0 35.0 x 15.0 Viewing Area ( W x H ) 2.45 x 5.0 Character Size ( W x H ) 0.45 x 0.5 Dot Size ( W x H ) Approx. 26 Weight
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 --IOH = - 0.2mA IOL = 1.2mA VDD = 5.0V Ta=25 C Min. 2.2 - 0.3 2.4 0 --Typ. ----1.2 5.0 Max. Unit V DD 0.6 V DD 0.4 3.0 -V V V V mA V
PIN CONNECTIONS
Pin 1 2 3 4 5 6 7 8 9 10 Symbol VSS V DD VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LEDA LEDK Level 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 +5V 0V Function GND Power supply for logic Operating voltage for LCD H : Data L : Instruction code H : Read L : Write Enable signal In 8-bit bus mode, used as low order bidirectional data bus. In 4-bit bus mode, open these pins. 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. Power supply for LED backlight
BLOCK DIAGRAM
VSS VDD VO RS R/W E DB0 DB7
LCD Controller LSI S6A0069 or Eqv.
16 COM
LCD PANEL 8 Characters x 2 Lines
40 SEG
11 12 13 14 15 16
LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
LEDA LEDK Item LED Backlight Forward Voltage Forward Current LED Color Symbol Vf If Typ. 3.1 15 White Max. 3.3 -Unit V mA

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