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| LG122322 122 x 32 dots 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 -20 Max. 7.0 13.5 VDD + 0.3 70 80 Unit V V V C MECHANICAL DATA Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) Dot Size ( W x H ) Weight (Reflective/LED) Nominal Dimensions 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 Unit mm mm mm mm g 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 --I OH = - 3.0mA IOL = 3.0mA VDD = 5.0V C Ta=25 Min. 2.0 - 0.3 2.4 0 --- a0.25V ) Typ. ----0.5 6.5 Max. Unit V DD 0.8 V DD 0.4 1.0 -V V V V mA V PIN CONNECTIONS Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Symbol VSS V DD VO A0 E1 E2 R/W DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /RST LEDA LEDK Level 0V +5V -H/L _ H,H >L _ H,H >L H/L H/L H/L H/L H/L H/L H/L H/L H/L L +5V 0V Function GND Power supply for Logic Operating voltage for LCD H : Data L : Instruction code Enable signal 1 Enable signal 2 H : Read L : Write BLOCK DIAGRAM C1 | C16 S1----S61 SEG SED1520DOA or Eqv. COM LCD PANEL 122 x 32 dots S62----S122 SEG C17 | C32 COM Data bus line SED1520DOA or Eqv. Reset signal, active "L" Power supply for LED backlight A0 R/W DB0~DB7 /RST E1 E2 V SS V DD VO Power Circuit to LSI LEDA LEDK LED Backlight LED BACKLIGHT SPECIFICATIONS (Ta=25 C) Item Forward Voltage Forward Current Emission Wave Length Symbol Vf If Typ. 4.1 120 568 Max. 4.3 --Unit V mA nm p |
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