ACM4004D SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25C, VDD = 5.0V +/- 0.25V)
Item
Supply voltage for LCD drive (Std temp)
Supply voltage for LCD drive (Wide temp)
Input voltage
Input high voltage
Input low voltage
Supply current
LED power supply current
Symbol
V
DD
-V
O
V
DD
-V
O
V
I
V
IH
V
IL
I
DD
I
LED
Condition
Ta = 25°C
Ta = 25°C
-
-
-
V
DD
=5.0V
Vf=4.2V
Min
Typ
4.5
6.2
Max
Unit
V
V
4.75
5.0
5.25
-
-
10.0
-
V
V
V
mA
mA
0.8V
DD
V
DD
V
SS
0.2V
DD
-
-
6.0
600
5.0 INTERFACE PIN CONNECTIONS
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Symbol
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
E1
R/W
RS
V
O
VSS
VDD
E2
NC
A
K
Level
H/L
Pin Description
Data bit 7
Data bit 6
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0
Enable for IC1
Read / write
Register Select
LCD Contrast Adjustment
Ground
Supply Voltage for logic
Enable for IC2
No Connection
Anode for LED backlight
Cathode for LED backlight
Function
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
8-bit interface
8-bit interface
8-bit interface
8-bit interface
Start signal for data read/write
H: Data read, L: Data write
H: Data; L: Instruction code
By user
0V
5V
Start signal for data read/write
None
Power supply for LED/EL backlights
Power supply for LED/EL backlights
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H, H
→
L
H/L
H/L
-
0V
5V
H, H
→
L
−
4.2V
0V
AZ DISPLAYS, INC.
2
1/15/02
AZDISPLAYS [ AZ DISPLAYS ]
