LCD MODULES
SC4004A ( 40 CHARACTERS x 4 LINES )
FEATURES
5 x 7 DOTS WITH CURSOR
BUILT-IN CONTROLLER (KS0066 OR EQUIVALENT)
5 V POWER SUPPLY
1/16 DUTY CYCLE
4.2 V LED FORWARD VOLTAGE
Supply Voltage
Supply Current
Input
Voltage
"HIGH" Level
"LOW" Level
"HIGH" Level
"LOW" Level
V
DD
-V
SS
I
DD
V
IH
V
IL
V
OH
V
OL
ELECTRICAL CHARACTERISTICS
ITEM
LCD Operating
Voltage
V
DD
-V
O
SYMBOL CONDITION MIN. TYP. MAX. UNIT
T=0
o
C
T=25
o
C
T=50
o
C
-
-
-
4.7
-
2.2
0
2.4
-
4.8
4.5
4.2
5
5.2
-
-
-
-
-
-
-
5.3
10.8
V
DD
0.6
-
0.4
V
V
V
V
mA
V
V
V
V
-
-
-
-
-
-
MECHANICAL DATA
ITEM
Module Size (W x H x T)
Viewing Area ( W x H )
Character Size ( W x H )
Character Pitch (W x H)
Dot Size ( W x H )
Dot Pitch ( W x H )
Output
DIMENSIONS
190.0 x 54.0 x 8.8 ( 13.0 LED )
149.0 x 29.5
2.78 x 4.89
3.53 x 6.09
0.50 x 0.55
0.57 x 0.62
UNIT
mm
mm
mm
mm
mm
mm
Voltage
BLOCK DIAGRAM
INTERFACE PIN CONNECTIONS
NO.
1
2
3
4
5
6
7
8
SYMBOL
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
FUNCTION
Data Bit 7
Data Bit 6
Data Bit 5
Data Bit 4
Data Bit 3
Data Bit 2
Data Bit 1
Data Bit 0
NO. SYMBOL
9
10
11
12
13
14
15
16
E1
R/W
RS
Vo
V
SS
V
DD
E2
NC
FUNCTION
Enable IC1
Read/Write
Register Select
Contrast Adj.
Supply Ground
Supply Voltage
Enable IC2
No Control
DB7
DB0
E1
E2
R/ W
RS
Vo
V DD
V ss
COM32
L CD
CONTROLL ER
L SI *2
SEG 80
8
LCD PANEL
SEG 320
LCD SEGMENT
DRI V ER * 4
A
K
LED BACKL IGHT
EXTERNAL DIMENSIONS
1
