C
C
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o
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LCD MODULES
SC2004A ( 20 CHARACTERS x 4 LINES )
FEATURES
ELECTRICAL CHARACTERISTICS
5 x 7 DOTS WITH CURSOR
ITEM
SYMBOL
CONDITION
MIN. TYP. MAX. UNIT
BUILT-IN CONTROLLER (KS0066 OR EQUIVALENT)
LCD Operating
T=0
-
4.8
-
V
5 V POWER SUPPLY
Voltage
V
DD
-V
O
T=25
-
4.5
-
V
1/16 DUTY CYCLE
T=50
-
4.2
-
V
4.2 V LED FORWARD VOLTAGE
Supply Voltage
V
DD
-V
SS
-
4.7
5
5.3
V
Supply Current
I
DD
-
-
3.2
6
mA
Input
"HIGH" Level
V
IH
-
2.2
-
V
DD
V
Voltage
"LOW" Level
V
IL
-
0
-
0.6
V
MECHANICAL DATA
Output
"HIGH" Level
V
OH
-
2.4
-
-
V
ITEM
DIMENSIONS
UNIT
Voltage
"LOW" Level
V
OL
-
-
-
0.4
V
Module Size (W x H x T)
98.0 x 60.0 x 8.8 ( 12.7 LED )
mm
Viewing Area ( W x H )
77.0 x 26.3
mm
BLOCK DIAGRAM
Character Size ( W x H )
2.95 x 4.75
mm
Character Pitch (W x H)
3.55 x 5.35
mm
Dot Size ( W x H )
0.55 x 0.55
mm
Dot Pitch ( W x H )
0.60 x 0.60
mm
INTERFACE PIN CONNECTIONS
NO.
SYMBOL
NO. SYMBOL
FUNCTION
1
V
SS
Supply Ground
9
DB2
Data Bit 2
2
V
DD
Supply Voltage
10
DB3
Data Bit 3
3
V
O
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
6
E
Enable Signal
14
DB7
Data Bit 7
7
DB0
Data Bit 0
15
A
LED Power
8
DB1
Data Bit 1
16
K
LED Power
EXTERNAL DIMENSIONS
FUNCTION
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