ACM2004D SERIES LCD MODULE
AZ DISPLAYS, INC. 09/17/99
1
1.0 MECHANICAL SPECS
1. Overall Module Size
98.0mm(W) x 60.0mm(H) x max 14.0mm(D) for LED backlight
version
98.0mm(W) x 60.0mm(H) x max 9.5mm(D) for reflective version
2. Dot Size
0.55mm(W) x 0.55mm(H)
3. Dot Pitch
0.60mm(W) x 0.60mm(H)
4. Duty
1/16
5. Controller IC
KS0066
6. LC Fluid Options
TN, STN
7. Polarizer Options
Reflective, Transflective, Transmissive
8. Backlight Options
LED
9. Temperature Range Options
Standard(0C ~ 50C), Wide(-20C ~ 70C)
2.0 ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min
Typ
Max
Unit
Operating temperature (Standard)
Top
0
-
50
C
Storage temperature (Standard)
Tst
-10
-
60
C
Operating temperature (Wide temperature)
Top
-20
-
70
C
Storage temperature (Wide temperature)
Tst
-30
-
80
C
Input voltage
Vin
Vss
Vdd
V
Supply voltage for logic
Vdd- Vss
2.7
-
5.5
V
Supply voltage for LCD drive
Vdd- Vo
3.0
4.6
6.5
V
ACM2004D SERIES LCD MODULE
AZ DISPLAYS, INC. 09/17/99
2
3.0 ELECTRICAL CHARACTERISTICS
Item
Symbol
Condition
Min
Typ
Max
Unit
Input voltage (high)
Vih
H level
2.2
-
Vdd
V
Input voltage (low)
Vil
L level
0
-
0.6
V
0C
-
4.8
5.4
25C
4.2
4.6
-
Recommended LC Driving
Voltage (Standard Temp)
Vdd - Vo
50C
3.9
4.3
-
V
-20C
-
6.4
7.2
0C
-
4.8
-
50C
-
4.3
-
Recommended LC Driving
Voltage (Wide Temp)
Vdd -Vo
70C
3.7
4.2
-
V
Power Supply Current
Idd
Vdd=5.0V,
fosc=270kHz
-
0.5
1.0
mA
LED Power Supply Voltage
Vfled
R=6.8
-
4.6
5.0
V
LED Power Supply Current
Ifled
R=6.8
-
240
480
mA
4.0 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V
0.25V, TN LC fluid)
Item
Symbol
Condition
Min
Typ
Max
Unit
Viewing angle (horizontal)
Cr
4.0
-25
-
-
deg
Viewing angle (vertical)
Cr
4.0
-30
-
30
deg
Contrast Ratio
Cr
=0
,
=0
-
2
-
Response time (rise)
Tr
=0
,
=0
-
120
150
ms
Response time (fall)
Tf
=0
,
=0
-
120
150
ms
ACM2004D SERIES LCD MODULE
AZ DISPLAYS, INC. 09/17/99
3
4.1 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V
0.25V, STN LC fluid)
Item
Symbol
Condition
Min
Typ
Max
Unit
Viewing angle (horizontal)
Cr
2.0
-60
-
35
deg
Viewing angle (vertical)
Cr
2.0
-40
-
40
deg
Contrast Ratio
Cr
=0
,
=0
-
6
-
Response time (rise)
Tr
=0
,
=0
-
150
250
ms
Response time (fall)
Tf
=0
,
=0
-
150
250
ms
5.0 BLOCK DIAGRAM
LCD 20X4
U2
U1
SEG1- 40
SEG41- 120
SEG 1 SEG200
COM 16
8
LED BACKLIGHT
1. Vss
2. Vdd
3. Vo
4. RS
5. R/W
6. E
7. DB0
14. DB7
~
+ BL+
- BL-
U3
SEG121-200
40
80
80
16
COM 1
COM16
ACM2004D SERIES LCD MODULE
AZ DISPLAYS, INC. 09/17/99
4
6.0 PIN ASSIGNMENT
7.0 POWER SUPPLY
Pin No.
Symbol
Function
1
Vss
Ground
2
Vdd
+5V
3
Vo
LCD contrast adjust
4
RS
Register select
5
R/W
Read / write
6
E
Enable
7
DB0
Data bit 0
8
DB1
Data bit 1
9
DB2
Data bit 2
10
DB3
Data bit 3
11
DB4
Data bit 4
12
DB5
Data bit 5
13
DB6
Data bit 6
14
DB7
Data bit 7
+
BL+
Power Supply for BL+
-
BL-
Power Supply for BL-
8.0 TIMING CHARACTERISTICS
Item
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Enable cycle time
t
C
Fig. a, Fig. b
500
-
-
ns
Enable pulse width
t
W
Fig. a, Fig. b
220
-
-
ns
Enable rise/fall time
t
R
, t
F
Fig. a, Fig. b
-
-
25
ns
RS, R/W set up time
t
SU
Fig. a, Fig. b
40
-
-
ns
RS, R/W hold time
t
H
Fig. a, Fig. b
10
-
-
ns
Data delay time
t
D
Fig. b
-
-
120
ns
Data set up time
t
DSU
Fig. a
60
-
-
ns
Data hold time
t
DH
Fig. a, Fig. b
20
-
-
ns
Vss
Vo
Vdd
Vr
+5V
S
TANDARD TEMP RANGE
Vss
Vo
Vdd
Vr
+5V
W
IDE TEMP RANGE
-5V
Vr = 10K
~ 20K
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