ACM2004E SERIES LCD MODULE
AZ DISPLAYS, INC.
4/24/02 1
1.0 MECHANICAL SPECS
1. Overall Module Size
182.0mm(W) x 90.0mm(H) x max 13.0mm(D) for LED backlight
version
2. Dot Size
1.10mm(W) x 1.50mm(H)
3. Dot Pitch
1.20mm(W) x 1.60mm(H)
4. Duty
1/16
5. Controller IC
ST7066
6. LC Fluid
TN, STN
7. Polarizer
Reflective, Transflective, Transmissive
8. Viewing Angle
Bottom, Top
9. Backlight
Side LED
10. Temperature Range
Standard(0”C ~ 50”C), Wide(-20”C ~ 70”C)
2.0 ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min
TypMax
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
182.0mm(W) x 90.0mm(H) x max 9.50mm(D) for reflective
version
ACM2004E SERIES LCD MODULE
AZ DISPLAYS, INC. 04/24/02
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
0ºC
-
4.8
5.4
25ºC
4.2
4.6
-
Recommended LC Driving
Voltage (Standard Temp)
Vdd - Vo
50ºC
3.9
4.3
-
V
-20ºC
-
6.4
7.2
0ºC
-
4.8
-
50ºC
-
4.3
-
Recommended LC Driving
Voltage (Wide Temp)
Vdd -Vo
70ºC
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
Ω
-
4.6
5.0
V
LED Power Supply Current
Ifled
R=6.8
Ω
-
240
480
mA
4.0 OPTICAL CHARACTERISTICS (Ta=25ºC, Vdd= 5.0V±0.25V, TN LC fluid)
Item
Symbol
Condition
Min
Typ
Max
Unit
Viewing angle (horizontal)
θ
Cr
≥
4.0
-25
-
-
deg
Viewing angle (vertical)
φ
Cr
≥
4.0
-30
-
30
deg
Contrast Ratio
Cr
φ
=0
°
,
θ
=0
°
-
2
-
Response time (rise)
Tr
φ
=0
°
,
θ
=0
°
-
120
150
ms
Response time (fall)
Tf
φ
=0
°
,
θ
=0
°
-
120
150
ms
ACM2004E SERIES LCD MODULE
AZ DISPLAYS, INC.
04/24/02 3
4.1 OPTICAL CHARACTERISTICS (Ta=25 C, Vdd= 5.0V 0.25V, STN LC fluid)
Item
Symbol
Condition
Min
Typ
Max
Unit
Viewing angle (horizontal)
θ
Cr
≥
2.0
-60
-
35
deg
Viewing angle (vertical)
φ
Cr
≥
2.0
-40
-
40
deg
Contrast Ratio
Cr
φ
=0
°
,
θ
=0
°
-
6
-
Response time (rise)
Tr
φ
=0
°
,
θ
=0
°
-
150
250
ms
Response time (fall)
Tf
φ
=0
°
,
θ
=0
°
-
150
250
ms
5.0 BLOCK DIAGRAM
LCD 20X4
U2
U1
SEG1- 40
SEG41- 80
SEG 1 SEG100
COM 16
8
LED BACKLIGHT
1. Vss
2. Vdd
3. Vo
4. RS
5. R/W
6. E
7. DB0
14. DB7
~
15/17 BL+
16/18 BL-
U3
SEG81-100
40
40
20
16
COM 1
COM32
16
SEG161- 200
40
U5
40
SEG121-160
U4
SEG 101 SEG200
20
SEG1- 40
SEG101-120
*
*Note: connected to Vss
o
+
ACM2004E SERIES LCD MODULE
AZ DISPLAYS, INC. 04/24/02
5
V
IH1
V
IL1
V
IL1
IH1
IL1
V
V
V
IH1
V
IL1
V
IL1
V
IH1
IL1
V
V
IH1
IL1
V
Valid Data
t
SU
t
H
t
W
t
H
t
F
t
R
t
DSU
t
DH
t
C
RS
R/W
E
DB0~DB7
V
IL1
V
IH1
V
IL1
Fig. a Interface timing (data write)
V
IH1
V
IL1
V
IH1
IH1
IL1
V
V
V
IH1
V
IL1
V
IH1
V
IH1
IL1
V
V
IH1
IL1
V
Valid Data
t
SU
t
H
t
W
t
H
t
F
t
R
t
DSU
t
DH
t
C
RS
R/W
E
DB0~DB7
V
IL1
t
D
V
IH1
IL1
V
Fig. b Interface timing (data read)
