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

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

Specifications of DMC-20434

• Display Type: TN - Twisted Nematic
• Display Mode: Reflective
• Viewing Area: 76.00mm L x 25.20mm W
• Backlight: Without Backlight
• 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
• Operating Temperature: 0°C ~ 50°C
• Interface: -
• Number Of Digits/alpha: -
• Outline L X W X H: -
• Other names: 73-1086; OP420

4.3.Block Diagram
DMC20434 (AA) No.99-0259
VCC
R/W
VSS
VEE
DB7
DB0
RS
E
8
or equivalent
Control LSI
HD44780
Bias Circuit
COM 16
SEG 40
OPTREX
4
OPTREX CORPORATION
20 characters × 4 lines
MSM5259 × 4
Column Driver
or equivalent
L C D P
To LSI
SEG 160
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