AZ Displays ACM2402B Acm2402b series lcd module Datasheet

AZ DISPLAYS, INC.
Complete LCD Solutions
ACM2402B SERIES LCD MODULE
1.0 PHYSICAL DATA
Item
Nominal Dimensions / Available Options
Unit
Number of Characters
24 characters x 2 lines
-
Character Format
5 x 7 dots with cursor
-
Overall Module Size (W x H x D)
118.0 x 36.0 x max 14.5 for LED backlight version
118.0 x 36.0 x max 9.5 for reflective or EL backlight version
mm
Dot Size (W x H)
0.60 x 0.65
mm
Dot Pitch (W x H)
0.65 x 0.70
mm
Duty
1/16
-
Controller IC
KS0066
-
LC Fluid Options
STN
-
Polarizer Options
Reflective, Transflective, Transmissive
-
Backlight Options
EL, LED
-
Temperature Range Options
Standard, Wide temp
-
2.0 ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min
Typ
Max
Unit
Operating temperature (Standard)
Top
0
-
50
°C
Storage temperature (Standard)
Tst
-20
-
70
°C
Operating temperature (Wide temp)
Top
-20
-
+70
°C
Storage temperature (Wide temp)
Tst
-30
-
+80
°C
Input voltage
VI
VSS
-
VDD
V
Supply voltage for logic
VDD-VSS
0
5.0
6.5
V
Supply voltage for LCD drive (Standard)
VDD-VO
0
-
6.5
V
Supply voltage for LCD drive (Wide temp)
VDD-VO
0
-
13.5
V
3.0 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
±30
-
±45
deg
Viewing angle (vertical)
φ
Cr ≥ 2.0
60
-
80
deg
Contrast Ratio
Cr
φ=0°, θ=0°
4.5
-
10
Response time (rise)
Tr
φ=0°, θ=0°
-
120
240
ms
Response time (fall)
Tf
φ=0°, θ=0°
-
155
310
ms
AZ DISPLAYS, INC.
1
6/18/97
ACM2402B SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V)
Item
Symbol
Condition
Min
Typ
Max
Unit
Supply voltage for LCD drive (Std temp)
VDD-VO
Ta = 25°C
4.8
V
Supply voltage for LCD drive (Wide temp)
VDD-VO
Ta = 25°C
6.1
V
Input voltage
VI
-
4.75
5.0
5.25
V
Input high voltage
VIH
-
2.2
-
VDD
V
Input low voltage
VIL
-
0
-
0.6
V
Output high voltage
VOH
IOH=0.2mA
2.4
-
-
V
Output low voltage
VOL
IOL=1.2mA
-
-
0.4
V
Supply current
IDD
VDD=5.0V
-
3.0
mA
Input leakage current
ILKG
-
-
-
1.0
uA
LED power supply current
ILED
VLED=5V, R=5.6Ω
-
140
-
mA
EL power supply current
IEL
VEL=110VAC, 400HZ
-
5
-
mA
5.0 INTERFACE PIN CONNECTIONS
Pin No.
Symbol
Level
Pin Description
Function
1
VSS
-
Ground
0V
2
VDD
-
Supply voltage for logic
+5V
3
VO
-
LCD contrast adjust
By user
4
RS
H/L
Register select
H: Data; L: Instruction code
5
R/W
H/L
Read / write
H: Data read, L: Data write
6
E
H, H→L
Enable
Start signal for data read/write
7
DB0
H/L
Data bit 0
8-bit interface
8
DB1
H/L
Data bit 1
8-bit interface
9
DB2
H/L
Data bit 2
8-bit interface
10
DB3
H/L
Data bit 3
8-bit interface
11
DB4
H/L
Data bit 4
4-bit or 8-bit interface
12
DB5
H/L
Data bit 5
4-bit or 8-bit interface
13
DB6
H/L
Data bit 6
4-bit or 8-bit interface
14
DB7
H/L
Data bit 7
4-bit or 8-bit interface
15
A
-
Anode for LED backlight
Power supply for LED/EL backlights
16
K
-
Cathode for LED backlight
Power supply for LED/EL backlights
AZ DISPLAYS, INC.
2
6/18/97
ACM2402B SERIES LCD MODULE
6.0 POWER SUPPLY
VDD
VDD
VO
+5V
VR
VO
+5V
VR
-5V
VSS
VSS
Standard temp range
Wide temp range
VR = 10KΩ ~ 20KΩ
VR = 10KΩ ~ 20KΩ
7.0 BLOCK DIAGRAM
-
1 VSS
2 VDD
3 VO
4 RS
5 R/W
6E
7 DB0
14 DB7
A
K
AZ DISPLAYS, INC.
U2
SEG1~40
U1
8
40
COM1
SEG41~80
40
U3
SEG81~120
40
SEG1-----------SEG120
LCD 24 X 2
COM 16
COM16
LED/EL
3
6/18/97
ACM2402B SERIES LCD MODULE
8.0 TIMING CHARACTERISTICS (KS0066 Controller)
Item
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Enable cycle time
tCYC
Fig. a, Fig. b
500
-
-
ns
Enable pulse width
PWEH
Fig. a, Fig. b
220
-
-
ns
Enable rise/fall time
tEr , tEf
Fig. a, Fig. b
-
-
25
ns
RS, R/W set up time
tAS
Fig. a, Fig. b
40
-
-
ns
RS, R/W hold time
tH1
Fig. a, Fig. b
10
-
-
ns
tDSW
Fig. a
60
-
-
ns
Data hold time
tH2
Fig. a
10
-
-
ns
Data delay time
tDDR
Fig. b
-
-
120
ns
Data hold time
tH2
Fig. b
20
-
-
ns
Data set up time
2.2V -
- 2.2V
RS
- 0.6V
0.6V -
t AS
R/W
t H1
- 0.6V
- 0.6V
PW EH
t H1
2.2V -
- 2.2V
E
t Ef
t DSW
0.6V -
0.6V -
- 0.6V
t Er
t H2
2.2V -
- 2.2V
DB0-DB7
- 0.6V
Valid Data
0.6V -
t CYC
Fig. a Interface timing (data write)
2.2V -
- 2.2V
RS
- 0.6V
0.6V -
t AS
t H1
2.2V -
- 2.2V
R/W
t H1
PW EH
- 2.2V
E
0.6V -
t Er
t Ef
2.2V - 0.6V
t DDR
- 2.2V
DB0-DB7
0.6V -
t H2
- 0.6V
2.2V -
Valid Data
0.6V -
t CYC
Fig. b Interface timing (data read)
AZ DISPLAYS, INC.
4
6/18/97
12
13
14
11
3
4
5
6
7
8
9
10
1
2
DB7
DB1
DB2
DB3
DB4
DB5
DB6
DB0
RS
R/W
E
V SS
V DD
VO
Pin No. Symbol
H/L
H/L
H/L
H/L
H,H->L
H/L
H/L
H/L
H/L
H/L
H/L
-
Level
Power
supply
Function
DATA BUS LINE
ENABLE SIGNAL
H:DATA READ (FROM LCM TO MPU)
L:DATA WRITE (FROM MPU TO LCM)
H:INSTRUCTION CODE INPUT
L:DATA INPUT
-
+5V
0V
14-ø1.8
14-ø1.0
36.0±0.5
2.5
31.0
2
8.1
15.1±0.5
1
2.54
102.3±0.5
88.3
94.5
113.0
A
K
2.6
4-ø4.0
4-ø2.5
11.5
8.0
12.0
6.75
2.5
7.88
P2.54X6=15.24
1.6
1.6
1.3
28.4±0.5
1.3
118.0±0.5
SCALE :
NONE
mm
ACM2402B
DRAW
THIRD ANGLE PROJECT
DWG-NO
TITLE
AZ DISPLAYS, INC.
0.05
UNIT :
DATE
0.6
3.7
LED B.L.
MAX14.5
9.3
DESIGN
CHECK
APPROVE
NAME
W/O B.L.
MAX9.5
4.65
5.95
17.5
MAX9.5 (W/O)
MAX14.5 (LED)
0.65
0.05
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