Small Yellow-Green 20x4 Character Module
Part Number:
CFAH2004B-YYH-ET
Parallel Character LCD 20x4, RoHS Compliant, Yellow-Green LED Backlight , STN Positive, Yellow-Green, Transflective -20°C to +70°C 6:00
Available in several variations of backlight and polarizer (minimum order may be required)
FFC Connector which mates with standard 1mm pitch ZIF sockets8-bit or 4-bit parallel interface
Industry-standard HD44780 compatible controller
Product Variants 4-bit Parallel / 8-bit Parallel
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TECHNICAL SPECS
Physical Characteristics
Characters x Lines 20 x 4
Module Overall width
height
depth
millimeters
98
60
13.6
inches
3.858
2.362
0.535
PCB Outline width
height
depth
millimeters
98
60
13.6
inches
3.858
2.362
0.535
Viewing Area width
height
millimeters
77
25.2
inches
3.031
0.992
Active Area width
height
millimeters
70.4
20.8
inches
2.772
0.819
Character Size width
height
millimeters
2.95
4.75
inches
0.116
0.187
Character Pitch width
height
millimeters
3.55
5.35
inches
0.140
0.211
Dot Size width
height
millimeters
0.55
0.55
inches
0.022
0.022
Dot Pitch width
height
millimeters
0.6
0.6
inches
0.024
0.024
Optical Characteristics
Glass Type/Glass Color STN/Yellow-Green Polarizer Transflective View Direction 6 o'clock Sunlight Readable Yes
Backlight Color Yellow-Green Backlight Type LED Mode Positive Foreground Color Dark Background Color Yellow-Green
Electrical Specifications
Supply Voltage for Logic Minimum 4.5V Supply Voltage for Logic Maximum 5.5V Supply Voltage for Logic Typical 5V Supply Voltage for Driving Panel Typical 4.5V
Supply Current Minimum 1.2mA Supply Current Maximum 2mA Supply Current Typical 1.6mA Module Connector Pitch 1mm
Backlight Electrical Specifications
Forward Voltage Minimum 4V Forward Voltage Maximum 4.4V Forward Voltage Typical 4.2V
Forward Current Minimum 252mA Forward Current Maximum 336mA Forward Current Typical 280mA
Environmental
Operating Temperatures min
max
Celsius
-20°
70°
Fahrenheit
-4°
158°
Storage Temperatures min
max
Celsius
-30°
80°
Fahrenheit
-22°
176°
Humidity min
max
Non-condensing
0%
90%
Electronics
Controller Documents Sitronix ST7066U Interface 4-bit Parallel, 8-bit Parallel
USB LCD Displays
