LG122322 122 x 32 dots ABSOLUTE MAXIMUM RATINGS Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. MECHANICAL DATA Symbol Min. Max. Unit VDD - VSS -0.3 7.0 VDD - VO VI Topr Tstg -0.3 -0.3 13.5 VDD + 0.3 70 80 V V V C Item -20 -20 C â0.25V ) Symbol Item VIH VIL Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage VOH VOL I DD VDD - VO Supply Current LCD Driving Voltage Min. 2.0 - 0.3 2.4 0 --- I OH = - 3.0mA I OL = 3.0mA VDD = 5.0V Ta=25 C Typ. ----0.5 6.5 Max. Unit V DD 0.8 V DD 0.4 1.0 -- BLOCK DIAGRAM COM LCD PANEL 122 x 32 dots C1 | C16 S1----S61 C17 | C32 COM S62----S122 SEG SEG SED1520DOA or Eqv. SED1520DOA or Eqv. A0 R/W DB0~DB7 /RST E1 E2 Dot Size ( W x H ) Weight (Reflective/LED) Level Pin Symbol V V V V mA 1 2 3 VSS V DD VO +5V -- Unit mm mm mm mm g 4 A0 H/L V 5 6 E1 E2 7 R/W H/L 8 9 10 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 H/L H/L H/L H/L H/L H/L 11 12 13 14 15 16 17 18 /RST LEDA LEDK Function 0V GND Power supply for Logic Operating voltage for LCD H : Data L : Instruction code _ H,H >L _ H,H >L Enable signal 1 Enable signal 2 H : Read L : Write Data bus line H/L H/L L +5V 0V Reset signal, active "L" Power supply for LED backlight LED BACKLIGHT SPECIFICATIONS (Ta=25 C) Item V SS V DD VO 84.0 x 44.0 x 9.5/13.5 60.5 x 18.5 0.44 x 0.49 0.40 x 0.45 Approx. 30 / 40 PIN CONNECTIONS ELECTRICAL CHARACTERISTICS ( V DD =5V Test Condition --- Nominal Dimensions Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) Power Circuit to LSI LEDA LEDK LED Backlight Forward Voltage Forward Current Emission Wave Length Symbol Typ. Max. Unit Vf 4.1 120 568 4.3 --- V mA nm If λp