AZ DISPLAYS, INC.
Complete LCD Solutions
AZ DISPLAYS, INC. 1 1/15/02
ACM4004D SERIES LCD MODULE
1.0 PHYSICAL DATA
Item Nominal Dimensions / Available Options Unit
Number of Characters 40 characters x 4 lines -
Character Format 5 x 7 dots with cursor -
Overall Module Size (W x H x D) 190.0 x 54.0 x max 13.0 for LED backlight version
190.0 x 54.0 x max 8.8 for reflective or EL backlight version
mm
Dot Size (W x H) 0.50 x 0.55 mm
Dot Pitch (W x H) 0.57 x 0.62 mm
Duty 1/16 -
Controller IC KS0066 -
LC Fluid Options TN, 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 VIVSS -VDD V
Supply voltage for logic VDD-VSS 0 5.0 6.5 V
Supply voltage for LCD drive (Standard) VDD-VO0 - 6.5 V
Supply voltage for LCD drive (Wide temp) VDD-VO0 - 13.5 V
3.0 OPTICAL CHARACTERISTICS (Ta = 25C, VDD = 5.0V +/- 0.25V, STN Fluid)
Item Symbol Condition Min Typ Max Unit
Viewing angle (horizontal) θ Cr ≥ 2.0 ±30 - − deg
Viewing angle (vertical) φCr ≥ 2.0 -40 -deg
Contrast Ratio Cr φ=0°, θ=0° - 3.0 -
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. 2 1/15/02
ACM4004D SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25C, VDD = 5.0V +/- 0.25V)
Item Symbol Condition Min Typ Max Unit
Supply voltage for LCD drive (Std temp) VDD-VO Ta = 25°C 4.5 V
Supply voltage for LCD drive (Wide temp) VDD-VOTa = 25°C 6.2 V
Input voltage VI- 4.75 5.0 5.25 V
Input high voltage VIH -0.8VDD -VDD V
Input low voltage VIL -VSS -V
Supply current IDD VDD=5.0V - 6.0 10.0 mA
LED power supply current ILED Vf=4.2V - 600 - mA
5.0 INTERFACE PIN CONNECTIONS
Pin No. Symbol Level Pin Description Function
1 DB7 Data bit 7 4-bit or 8-bit interface
2 DB6 H/L Data bit 6 4-bit or 8-bit interface
3
VO-By user
4
RS
H/L
H: Data; L: Instruction code
5
R/W
H/L
Read / write H: Data read, L: Data write
6
E1 H, H→LStart 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
Data bit 5
4-bit or 8-bit interface
13
14
VSS
5V Supply Voltage for logic
15
Anode for LED backlight
Power supply for LED/EL backlights
16
K0V Cathode for LED backlight
Power supply for LED/EL backlights
H/L
VDD
E2
Register Select
LCD Contrast Adjustment
0V
H, H→L
H/L
Enable for IC1
Ground
Enable for IC2
None
NC −No Connection
Start signal for data read/write
0V
5V
17 A4.2V
18
0.2VDD
AZ DISPLAYS, INC. 3 1/15/02
ACM4004D SERIES LCD MODULE
6.0 POWER SUPPLY
7.0 BLOCK DIAGRAM
LCD Segment
Driver * 4
8
LED/EL
-
K
A
DB7
DB0 320
COM1
80
COM32
32COM
LCD
Controller
LSI * 2 SEG01-----------------------------------------SEG400
40X4 LCD PANEL
VO
E1
RS
VSS
R/W
VDD
VSS
VO
VDD
VR+5V
Standard temp range
VR = 10KΩ ~ 20KΩ
VSS
VO
VDD
VR+5V
Wide temp range
-5V
VR = 10KΩ ~ 20KΩ
E2
AZ DISPLAYS, INC. 4 1/15/02
ACM4004D 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
Data set up time 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
0.6V -
0.6V -
2.2V -
DDR
- 0.6V
- 2.2V
Fig. b Interface timing (data read)
t
RS
R/W
E
DB0-DB7
RS
R/W
E
DB0-DB7
- 2.2V
- 0.6V
- 2.2V
- 0.6V
- 0.6V
- 2.2V
Ef
t
2.2V -
- 0.6V
2.2V -
EH
PW
AS
Er
t
0.6V -
- 2.2V
t
Fig. a Interface timing (data write)
Valid Data
Valid Data
CYC
t
- 0.6V
tAS
EH
PW
0.6V -
Er
t
- 2.2V
- 0.6V
- 2.2V
CYC
t
2.2V -
0.6V -
H1
t
H1
t
H2
t
0.6V -
H1
2.2V -
t
0.6V -
H1
t
t
H2
Ef
t
2.2V -
DSW
t
0.6V -
2.2V -
- 0.6V
AZ DISPLAYS, INC.
ACM4004D
1. DB7
2. DB6
3. DB5
4. DB4
5. DB3
6. DB2
7. DB1
8. DB0
9. E1
10. R/W
11. RS
12. Vo
13. VSS
14. VDD
15. E2
16. NC
17. A(+)
18. K(-) Unless otherwise specified, Tolerance: +/- 0.3mm
