GDM2002B

GDM2002B Character module ( 20 x 2 Y-G display + LED backlight) ABSOLUTE MAXIMUM RATINGS Item Symbol Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. 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 MECHANICAL DATA Unit Item Nominal Dimensions Unit V Module Size ( W x H x T ) 116.0 x 37.0 x 10.0/13.5 mm V Viewing Area ( W x H ) 83.0 x 18.6 mm V Character Size ( W x H ) 3.2 x 5.55 mm °C Dot Size ( W x H ) 0.6 x 0.65 mm °C -- -- -- ELECTRICAL CHARACTERISTICS ( VDD=5V±0.25V ) 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. ----1.5 4.6 Max. Unit VDD V 0.6 V VDD V 0.4 V 3.0 mA -- V BLOCK DIAGRAM VSS VDD VO RS R/W E DB0 DB7 LEDA LEDK LCD Controller LSI 780D or Eqv. 16 COM LCD PANEL 20...