ACM4004D Datasheet, PDF (2/5 Pages) AZ Displays – ACM4004D SERIES LCD MODULE

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
VDD-VO
VDD-VO
VI
VIH
VIL
IDD
ILED
Condition
Ta = 25°C
Ta = 25°C
-
-
-
VDD=5.0V
Vf=4.2V
Min Typ Max Unit
4.5
V
6.2
V
4.75 5.0 5.25 V
0.8VDD VDD
-
V
VSS 0.2VDD -
V
-
6.0 10.0 mA
-
600 -
mA
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
VO
VSS
VDD
E2
NC
A
K
Level
H/L
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
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
AZ DISPLAYS, INC.
2
1/15/02