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 sockets
8-bit or 4-bit parallel interface
Industry-standard HD44780 compatible controller
Product Variants 4-bit Parallel / 8-bit Parallel
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CFAH2004B-YYH-ET
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 Dot Matrix LCD Controller/Driver
Interface
4-bit Parallel, 8-bit Parallel