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| RT4002A-1 www..com Tel:86-755-27931867, 27931884, 27931806, 27931875 FAX:86-755-27931864 Postcode:518102 E-Mail:ruite168@21cn.com Http://www.ruitelcd.com MECHANICAL DATA Item Nominal Dimensions Module Size(WxHxT) Viewing Area(WxH) Character Size(WxH) Dot Size(WxH) Unit mm mm mm mm ABSOLUTE MAXIMUM RATINGS Item Symbol Min Type Max Unit Operating Voltage VDD V Operating Current IDD mA VLED LED Voltage V ILED LED Current mA Operating Temp. Topr Storage Temp. Tsto ELECTRICAL CHARACTERISTICS Item Symbol Min Type Max Unit VIH Input Hight Voltage V VIL Input Low Voltage V VOH Output Hight Voltage V Output Low Voltage VOL V BLOCK DIAGRAM VSS VDD V0 RS R/W E DB0 DB7 16COM LCD PANEL 40 Characters x 2 Lines PIN CONNECTIONS Function PIN Symbol Level GND(0V) VSS Supply Voltage for Logic(+5V) VDD Power supply for LCD V0 L: Instruction Code RS H/L H: Data R/W H/L H: Read L: Write E H/L Enable Signal DB0 H/L DB1 H/L DB2 H/L DB3 H/L Data Bus Line DB4 H/L DB5 H/L DB6 H/L DB7 H/L Backlight Power(+5V) A Backlight Power(0V) K POWER SUPPLY LCD Controller LSI 40SEG 40SEG Segment Driver 40SEG Segment Driver 40SEG Segment Driver 40SEG Segment Driver VDD V0 VSS A K 10~20K A K LED Backlight |
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