DMC-20434N-SEW Optrex America Inc, DMC-20434N-SEW Datasheet - Page 8

• Manufacturer Part Number: DMC-20434N-SEW
• Description: LCD MODULE 20X4 CHARACTER
• Manufacturer: Optrex America Inc
• Series: DMC-20434r

Specifications of DMC-20434N-SEW

• Display Type: STN - Super-Twisted Nematic
• Display Mode: Transmissive
• Number Of Digits/alpha: *
• Outline L X W X H: *
• Viewing Area: 76.00mm L x 25.20mm W
• Backlight: EL - White
• Display Format: 20 x 4
• Character Size: 4.75mm H x 2.95mm W
• Character Format: 5 x 8 Dots
• Voltage - Supply: 5.0V
• Dot Size: 0.55mm W x 0.55mm H
• Interface: *
• Operating Temperature: 0°C ~ 50°C
• Other names: 73-1093; OP420NSEW

No.
4.I/O Terminal
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
DMC20434N-SEW
4.1.Pin Assignment
4.2.Example of Power Supply
It is recommended to apply a potentiometer for the contrast adjust due to the tolerance
of the driving voltage and its temperature dependence.
Symbol
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
R/W
V
V
V
RS
EL
EL
E
CC
EE
SS
(AU) No.97-0209
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
MODULE
－
－
－
－
－
VR=10 ～ 20K Ω
Power Supply (0V, GND)
Power Supply for Logic
Power Supply for LCD Drive
Register Select Signal
Read/Write Select Signal H : Read L : Write
Enable Signal (No pull-up Resister)
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Power Supply for EL
Power Supply for EL
VCC
VSS
VEE
VR
OPTREX
OPTREX CORPORATION
VCC (+Voltage)
VSS (0V)
Function
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