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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 IDD 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

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