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DD
0.4
--
3.0
DD
0.6
Max.
24 Characters x 2 Lines
Input Voltage
V
-0.3
+ 0.3
V
ELECTRICAL CHARACTERISTICS
V
LCD
LSI
KS0066
or Eqv.
Controller
LED Backlight
V
DB7
LEDA
LEDK
R/W
RS
DB0
E
LCD Driving Voltage
Supply Current
Output High Voltage
Output Low Voltage
Input High Voltage
BLOCK DIAGRAM
V
V
O
SS
DD
Storage Temp.
Operating Temp.
Input Low Voltage
Item
40 SEG
Segment driver
80 SEG
= 1.2mA
= - 0.2mA
( V
-30
-20
OL
VIOL
V
16 COM
- V
DD
I DD
O
Ta=25
= 5.0V
DD
C
I
Symbol
V
V
OH
IL
VIH
stg
opr
T
I
T
--
--
Condition
Test
OH
0
--
LCD PANEL
--
--
4.6
1.5
=5V
â0.25V )
2.2
2.4
- 0.3
Min.
DD
--
--
--
Typ.
V
V
80
70
DD
ABSOLUTE MAXIMUM RATINGS
Supply Voltage(LCD)
Supply Voltage(Logic)
Item
LC2421
-0.3
-0.3
Min.
Symbol
DD
DD
V
V- V
- V
O
SS
13.0
7.0
Max.
24 characters x 2 lines
V
mm
3.20 x 5.55
Character Size ( W x H )
LED BACKLIGHT SPECIFICATIONS (Ta=25
H : Read
H : Data
L : Instruction code
Power supply for logic
Enable signal
L : Write
In 8-bit bus mode, used as low
order bidirectional data bus.
In 4-bit bus mode, open these
pins.
Operating voltage for LCD
GND
In 8-bit bus mode, used as high
order bidirectional data bus.
In 4-bit bus mode, used as both
high and low order data bus.
Power supply for LED backlight
0.60 x 0.65
Approx. 42 / 56
DB6
Forward Voltage
Emission Wave Length
Forward Current
LEDA
LEDK
DB7
Item
15
16
13
14
f
I
λp
+5V
0V
H/L
H/L
Symbol
Vf
PIN CONNECTIONS
Symbol
DD
O
RS
R/W
DB0
DB2
DB3
DB1
SS
DB5
DB4
Dot Size ( W x H )
Weight (Reflective/LED)
V
4
mA
V
7
10
12
11
8
9
5
6
E
V
V
V
Unit
C
C
2
3
Pin
1
V
V
V
_
>L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H,H
H/L
Level
+5V
0V
--
V
nm
mA
Unit
150
--
568
--
4.1
Typ.
Max.
4.3
C)
mm
Function
g
93.5 x 15.8
Nominal Dimensions
118.0 x 36.0 x 9.5/14.0
MECHANICAL DATA
Item
Module Size ( W x H x T )
Viewing Area ( W x H )
V
Unit
V
Unit
mm
mm