LCD MODULES SC4002A ( 40 CHARACTERS x 2 LINES ) FEATURES ELECTRICAL CHARACTERISTICS ITEM 5 x 7 DOTS WITH CURSOR BUILT-IN CONTROLLER (KS0066 OR EQUIVALENT) SYMBOL CONDITION MIN. TYP. MAX. UNIT T=0 oC - 4.8 - V T=25 oC - 4.5 - V T=50 oC - 4.2 - V VDD-VSS - 4.7 5 5.3 V LCD Operating 5 V POWER SUPPLY Voltage VDD-VO 1/16 DUTY CYCLE 4.2 V LED FORWARD VOLTAGE Supply Voltage IDD - - 3.2 6 mA Input "HIGH" Level VIH - 2.2 - VDD V Voltage "LOW" Level VIL - 0 - 0.6 V Output "HIGH" Level VOH - 2.4 - - V Voltage "LOW" Level VOL - - - 0.4 V Supply Current MECHANICAL DATA UNIT DIMENSIONS ITEM Module Size (W x H x T) 182.0 x 33.5 x 8.8 ( 12.7 LED ) mm 154.0 x 15.3 mm Viewing Area ( W x H ) Character Size ( W x H ) 3.20 x 5.55 mm Character Pitch (W x H) 3.70 x 5.95 mm Dot Size ( W x H ) 0.60 x 0.65 mm Dot Pitch ( W x H ) 0.65 x 0.70 mm INTERFACE PIN CONNECTIONS FUNCTION NO. SYMBOL NO. SYMBOL FUNCTION 1 VSS Supply Ground 9 DB2 Data Bit 2 2 VDD Supply Voltage 10 DB3 Data Bit 3 3 VO Contrast Adj. 11 DB4 Data Bit 4 4 RS Register Select 12 DB5 Data Bit 5 5 R/W Read/Write 13 DB6 Data Bit 6 Data Bit 7 6 E Enable Signal 14 DB7 7 DB0 Data Bit 0 15 A LED Power 8 DB1 Data Bit 1 16 K LED Power EXTERNAL DIMENSIONS BLOCK DIAGRAM