DMC-20434HE Optrex America Inc, DMC-20434HE Datasheet - Page 9

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

Specifications of DMC-20434HE

• Display Type: TN - Twisted Nematic
• Display Mode: Reflective
• Number Of Digits/alpha: 80
• Outline L X W X H: 98.50mm x 60.00mm x 11.00mm
• 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: +3 V, -7 V
• Dot Size: 0.55mm W x 0.55mm H
• Interface: Parallel
• Operating Temperature: -20°C ~ 70°C
• Other names: 73-1090; DMC20434HE; OP420HE

4.3.Block Diagram
DMC20434HE (AG) No.2000-0260
VCC
R/W
VSS
VEE
DB7
DB0
RS
EL
EL
E
8
or equivalent
Control LSI
HD44780
LED Backlight
Bias Circuit
COM 16
SEG 40
OPTREX
4
OPTREX CORPORATION
20 characters × 4 lines
MSM5839B × 4
Column Driver
or equivalent
L C D P
To LSI
SEG 160
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