LCD MODULES SG12864A ( 128 DOTS X 64 DOTS ) FEATURES MECHANICAL DATA BUILT-IN CONTROLLER (KS0107 OR EQUIVALENT) ITEM DIMENSIONS UNIT +5 V POWER SUPPLY Module Size (W x H x T) 1/64 DUTY CYCLE Viewing Area ( W x H ) 8-BIT PARALLEL INTERFACE Active Area ( W x H ) 4.2 V LED FORWARD VOLTAGE Dot Size ( W x H ) 0.48 x 0.48 mm Dot Pitch ( W x H ) 0.52 x 0.52 mm INTERFACE PIN CONNECTIONS NO. SYMBOL LEVEL mm 72.0 x 40.0 mm 66.52 x 33.24 mm ABSOLUTE MAXIMUM RATINGS MIN. TYP. MAX. UNIT 1 V SS 0V Power Supply Ground Supply Voltage For Logic V DD -V SS 0 - 7 V 2 V DD 5V Power Supply Voltage Supply Voltage For LCD Drive V DD -V o 0 - 14 V 3 VO - Contrast Adjustment Voltage Input Voltage VI Vss - V DD V 4 D/I H/L H : Data, L : Instruction Code 5 R/W H/L H : Read / L : Wrtie 6 E MIN. TYP. MAX. UNIT 7~14 DB0~DB7 4.5 5 5.5 V H L H/L FUNCTION 93.0 x 70.0 x 8.8 ( 12.7 LED ) Enable Signal Data Bus Line ITEM SYMBOL ELECTRICAL CHARACTERISTICS ITEM SYMBOL Supply Voltage For Logic 15 CS1 H Chip Select Signal For IC1 Supply Voltage For LCD 16 CS2 H Chip Select Signal For IC2 Supply Current 17 /RES L Reset Signal 18 Vout - 19 A 20 K V DD -V SS CONDITION o V DD -V o V DD =5V Ta=25 C 7.6 8.3 9.2 V I DD V DD =5V - 4.5 10 mA Input "HIGH" Level V IH - 2.2 - V DD V Power Supply Voltage For LCD Voltage "LOW" Level V IL - - - 0.6 V 4.2V LED Power (+) Output "HIGH" Level V OH - 2.4 - - V 0V LED Power (-) Voltage "LOW" Level V OL - - - 0.4 V EXTERNAL DIMENSIONS LCD MODULES SG12864A ( 128 DOTS X 64 DOTS ) TIMING CHARACTERISTICS ITEM SYMBOL E Cycle Time E High Level Width E Low Level Width E Rise Time E Fall Time Address Setup Time Address Hold Time Data Setup Time Data Delay Time Data Hold Time Write Data Hold Time Read BLOCK DIAGRAM tCYC PWEH PWEL tr tf tAS tAH tDSW tDDR tDHW tDHR MIN. TYP. MAX. UNIT. FIG 1000 - - ns 1,2 450 - - ns 1,2 450 - - ns 1,2 - - 25 ns 1,2 - - 25 ns 1,2 140 - - ns 1,2 10 - - ns 1,2 200 - - ns 1 - - 320 ns 2 10 - - ns 1 20 - - ns 2