LC1622 16 characters x 2 lines ABSOLUTE MAXIMUM RATINGS Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. MECHANICAL DATA Symbol Min. Max. Unit VDD - VSS VDD - VO VI Topr Tstg -0.3 7.0 13.0 VDD + 0.3 70 80 V V V C -0.3 -0.3 -20 -30 ELECTRICAL CHARACTERISTICS ( V DD =5V Item Symbol VIH VIL VOH VOL I DD VDD - VO Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage Test Condition --IOH = - 0.2mA IOL = 1.2mA VDD = 5.0V Ta=25 C â0.25V ) Min. Typ. 2.2 ----- - 0.3 2.4 0 --- 1.5 4.6 V DD 0.6 V DD 0.4 3.0 -- LCD Controller LSI KS0066 or Eqv. V V V V mA V Pin LCD PANEL 16 Characters x 2 Lines 40 SEG 40 SEG Symbol Unit 122.0 x 44.0 x 9.5 99.0 x 24.0 4.84 x 9.66 0.92 x 1.1 mm mm mm mm g Level 1 2 3 VSS V DD VO ---- 4 RS H/L 5 R/W H/L 6 7 8 9 10 16 COM Nominal Dimensions PIN CONNECTIONS Max. Unit BLOCK DIAGRAM VSS VDD VO RS R/W E C Item Module Size( W x H x T ) Viewing Area( W x H ) Character Size( W x H ) Dot Size( W x H ) Weight 11 12 13 14 15 16 E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LEDA LEDK Function GND ( 0V ) Supply Voltage for Logic(+5V) LCD Driving Voltage H : Data L : Instruction Code H : Read L : Write Enable Signal _ H,H >L H/L H/L H/L H/L H/L H/L Data Bus Line H/L H/L --- LED Backlight Power Supply DB0 Segment driver DB7 LED BACKLIGHT SPECIFICATIONS (Ta=25 C) Item LEDA LEDK LED Backlight Forward Voltage Forward Current Emission Wave Length Symbol Typ. Max. Unit Vf If λp 4.05 240 568 4.25 --- V mA nm