SG12232A

LCD MODULES SG12232A ( 122 DOTS X 32 DOTS ) FEATURES BUILT-IN CONTROLLER (SED1520 OR EQUIVALENT) +5 V POWER SUPPLY 1/32 DUTY CYCLE 8-BIT PARALLEL INTERFACE 4.2 V LED FORWARD VOLTAGE MECHANICAL DATA ITEM Module Size (W x H x T) Viewing Area ( W x H ) Active Area ( W x H ) Dot Size ( W x H ) Dot Pitch ( W x H ) DIMENSIONS 84.0 x 44.0 x 8.8 ( 12.7 LED ) 60.5 x 18.5 53.64 x 15.64 0.40 x 0.45 0.44 x 0.49 UNIT mm mm mm mm mm INTERFACE PIN CONNECTIONS NO. 1 2 3 4 5 6 7 8 9 10~17 18 19 20 ABSOLUTE MAXIMUM RATINGS ITEM Supply Voltage For Logic Supply Voltage For LCD Drive Input Voltage SYMBOL V SS V DD VO Ao CS1 CS2 CL E R/W DB0~DB7 /RES A K LEVEL 0V 5V FUNCTION Power Supply Ground Power Supply Voltage Contrast Adjustment Voltage Data Type Select Signal Chip Select Signal For IC1 Chip Select Signal For IC2 Clock Input (2 KHz ) Enable Signal H : Read / L : Wrtie Data Bus Line Reset Signal LED Power (+) LED Power (-) SYMBOL V DD -V SS V DD -V o VI MIN. 0 0 Vss TYP. - MAX. 7 12 V DD UNIT V V V H/L H H H/L H L ELECTRICAL CHARACTERISTICS ITEM Supply Voltage For Logic Supply Voltage For LCD Supply Current Input Voltage Output Voltage "HIGH" Level "LOW" Level "HIGH" Level "LOW" Level SYMBOL V DD -V SS V DD -V o I DD V IH V IL V OH V OL CONDITION V DD =5V Ta=25 C V DD =5V o MIN. 4.5 4.4 2.2 2.4 - TYP. 5 4.8 2.5 - MAX. 5.5 5.2 4.5 VDD 0.6 0.4 UNIT V V mA V V V V H/L H/L L 4.2V 0V - EXTERNAL DIMENSIONS LCD MODULES SG12232A ( 122 DOTS X 32 DOTS ) TIMING CHARACTERISTICS ITEM System Cycle Time Address Set-up Time Address Hold Time Data Set-up Time Data Hold Time Output Disable Time Access Time Enable Pulse Width Read Write SYMBOL MIN. 1000 20 10 80 10 10 100 80 TYP. MAX. 60 90 UNIT. ns ns ns ns ns ns ns ns ns tCYC6 tAW6 tAH6 tDS6 tDH6 tOH6 tACC6 tEW BLOCK DIAGRAM