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LC0821 Datasheet

8 x 2 LCD Module

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LC0821 8 characters x 2 lines
ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
VDD- VSS
VDD- VO
VI
Topr
Tstg
Min.
-0.3
-0.3
-0.3
-20
-30
Max.
7.0
13.0
VDD+ 0.3
70
80
MECHANICAL DATA
Unit Item
Nominal Dimensions
V Module Size ( W x H x T ) 58.0 x 32.0 x 9.5/14.0
V Viewing Area ( W x H ) 35.0 x 15.0
V Character Size ( W x H ) 2.45 x 5.0
C Dot Size ( W x H )
0.45 x 0.5
C Weight (Reflective/LED) Approx. 20 / 26
Unit
mm
mm
mm
mm
g
âELECTRICAL CHARACTERISTICS ( VDD=5V 0.25V )
Item
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
LCD Driving Voltage
Symbol
VIH
VIL
VOH
VOL
I DD
VDD - VO
Test
Condition
--
--
IOH = - 0.2mA
IOL = 1.2mA
VDD = 5.0V
Ta=25 C
Min.
2.2
- 0.3
2.4
0
--
--
Typ.
--
--
--
--
1.2
5.0
Max. Unit
VDD V
0.6 V
VDD V
0.4 V
3.0 mA
-- V
BLOCK DIAGRAM
VSS
VDD
VO
RS
R/W
E
DB0
LCD
Controller
LSI
KS0066
or Eqv.
16 COM
LCD PANEL
8 Characters x 1 Line
40 SEG
PIN CONNECTIONS
Pin Symbol
1 VSS
2 VDD
3 VO
4 RS
Level
0V
+5V
--
H/L
5 R/W
H/L
6E
H,H _>L
7 DB0
H/L
8 DB1
H/L
9 DB2
H/L
10 DB3
H/L
11 DB4
H/L
12 DB5
H/L
13 DB6
H/L
14 DB7
H/L
15 LEDA +5V
16 LEDK 0V
Function
GND
Power supply for logic
Operating voltage for LCD
H : Data
L : Instruction code
H : Read
L : Write
Enable signal
In 8-bit bus mode, used as low
order bidirectional data bus.
In 4-bit bus mode, open these
pins.
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
DB7
LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
LEDA
LEDK
LED Backlight
Item
Symbol
Forward Voltage
Vf
Forward Current
Emission Wave Length
If
λp
Typ.
4.1
60
568
Max.
4.3
--
--
Unit
V
mA
nm


Part Number LC0821
Description 8 x 2 LCD Module
Maker ETC
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LC0821 Datasheet PDF






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