AZ DISPLAYS, INC.
Complete LCD Solutions
AZ DISPLAYS, INC. 1 6/5/97
ACM1602A SERIES LCD MODULE
1.0 PHYSICAL DATA
Item Nominal Dimensions / Available Options Unit
Number of Characters 16 characters x 2 line -
Character Format 5 x 7 dots with cursor -
Overall Module Size (W x H x D) 84.0 x 44.0 x max 14.5 for LED backlight version
84.0 x 44.0 x max 9.5 for reflective or EL backlight version mm
Dot Size (W x H) 0.55 x 0.65 mm
Dot Pitch (W x H) 0.60 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 VIVSS -VDD V
Supply voltage for logic VDD-VSS 05.0 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 = 25°C, VDD = 5.0V ± 0.25V, STN LC Fluid)
Item Symbol Condition Min Typ Max Unit
Viewing angle (horizontal) θCr ≥ 2.0 ±30 -±45 deg
Viewing angle (vertical) φCr ≥ 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. 2 6/5/97
ACM1602A 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-VOTa = 25°C4.6 V
Supply voltage for LCD drive (Wide temp) VDD-VOTa = 25°C6.1 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=0.2mA2.4 - - 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=8.2Ω-100 -mA
EL power supply current IEL VEL=110VAC, 400HZ-5-mA
5.0 INTERFACE PIN CONNECTIONS
Pin No. Symbol Level Pin Description Function
1VSS -Ground 0V
2VDD -Supply voltage for logic +5V
3VO-LCD contrast adjust By user
4RS H/L Register select H: Data; L: Instruction code
5R/W H/L Read / write H: Data read, L: Data write
6EH, H→LEnable Start signal for data read/write
7DB0 H/L Data bit 0 8-bit interface
8DB1 H/L Data bit 1 8-bit interface
9DB2 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. 3 6/5/97
ACM1602A SERIES LCD MODULE
6.0 POWER SUPPLY
7.0 BLOCK DIAGRAM
COM1
SEG1~40
U1
3 VO
1 VSS
6 E
4 RS
5 R/W
2 VDD
COM16
16COM
8
LED/EL
-
(16) K
(15) A
14 DB714 DB7 LCD 16 X 2
7 DB0
40 SEG41~80
U2
40
SEG1-----------SEG80
VSS
VO
VDD
VR+5V
Standard temp range
VR = 10K
Ω
~ 20K
Ω
VSS
VO
VDD
VR+5V
Wide temp range
-5V
VR = 10K
Ω
~ 20K
Ω
AZ DISPLAYS, INC. 4 6/5/97
ACM1602A 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
2.2V -
- 0.6V
2.2V -
EH
PW
AS
Er
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
- 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
2.2V -
DSW
t
0.6V -
2.2V -
- 0.6V
3.55
13.75
11.0±0.5
31.9±0.3
11.5
17.0±0.3
2-ø2.5
56.2
2-R1.25
61.0±0.3
84.0±0.5
79.0±0.3
13.9
11.5
3.85
2.5
4.0±0.2
2.5
2.35
1
2.24
P2.54X13=33.02
76.0±0.3
71.3±0.3
14-ø1.0
K
A
0.45
14
4.55
36.0±0.3
44.0
10.2±0.5
4.0±0.5
6.35±0.3
1.6
2.35
3.85
MAX14.5 (LED)
NONE
mm
DWG-NO
TITLE
THIRD ANGLE PROJECT SCALE :
UNIT :
AZ DISPLAYS, INC.
ACM1602A
PARTS AREA
MAX14.5
PARTS AREAPARTS AREA
W/O B.L.
EL B.L.
0.55
0.6
9.3±0.5
MAX9.5
NAME DATE
DRAW
DESIGN
CHECK
APPROVE
1.6
MAX9.5 (W/O, EL)
PARTS AREA
4.65±0.5
+5V
Function
for LCD Drive
GND,OV
No
3
2
Symbol
VSS
VO
VDD
E Enable Signal
Read/Write
Data Bus Line
5
6
8
9
7
11
12
13
14
10
R/W
DB1
DB0
DB4
DB3
DB2
DB5
DB6
DB7
Function Select4 RS
P0.7x8-0.05=5.55
0.05
0.65
0.4
LED B.L.
0.05
P0.6x5-0.05=2.95
PARTS AREAPARTS AREA