20x2 Dark on Yellow Character LCD (3.3v)
Part Number: CFAH2002A1-YYH-JTV
This 3.3 volt, 20-character by 2-row LCD display features dark characters on a yellow-green background, providing excellent visibility. It comes equipped with four mounting holes and a 2x8 through-hole connection, compatible with an 8x2 dual-row header. Designed for easy integration, it is form-compatible with the CFAG19232C series of graphic LCD modules, allowing for seamless upgrades or cost-saving downgrades. Replace your CFAH2002A1 character display with the graphic CFAG19232C1 for enhanced functionality or reduce expenses by switching to this character module. Available in multiple backlight and polarizer options (minimum order may apply), it supports 8-bit or 4-bit parallel interfaces and uses the industry-standard HD44780 compatible controller.
This LCD is ideal for a wide range of applications, including industrial control panels, medical equipment, and consumer electronics, where clear and efficient information display is crucial. Its dark characters on a yellow-green background offer excellent readability in both low-light and standard lighting conditions. The robust design, with four mounting holes and compatibility with industry-standard connectors, makes it suitable for harsh environments and easy integration into existing systems. Additionally, its compatibility with both 8-bit and 4-bit parallel interfaces, as well as the HD44780 controller, ensures it can be used in a variety of legacy and modern devices.
- Four mounting holes
- 2x8 through hole connection compatible with 8x2 Dual Row Header
- 8-bit or 4-bit parallel interface
- Requires 3.3 volts
- Industry-standard HD44780 compatible controller
CFA - Crystalfontz America
H - Character Display
2002 - 20 characters by 2 rows
A1 - Family and revision (replaces CFAH2002A-YYH-JTV)
Y - Yellow LED backlight
Y - STN Positive, Yellow-Green
H - Transflective, 6:00 viewing direction, -20°C to +70°C operating temperature
JT - English and Japanese font table
V - Negative Voltage Generator
Product Variations
- square_foot Physical Characteristics
Physical Characteristics
Characters x Lines 20 x 2 Module Overall width height depth millimeters 116 37 13.9 inches 4.57 1.46 0.55 Viewing Area Width Height millimeters 85 18.6 inches 3.35 0.73 Active Area Width Height millimeters 73.5 11.5 inches 2.89 0.45 Character Size Width Height millimeters 3.2 5.55 inches 0.126 0.219 Character Pitch Width Height millimeters 3.7 5.95 inches 0.146 0.234 Dot Size Width Height millimeters 0.60 0.65 inches 0.024 0.026 Dot Pitch Width Height millimeters 0.65 0.7 inches 0.026 0.028 Weight 53g Pin Count 16 - visibility Optical Characteristics
Optical Characteristics
Glass Type/Glass Color STN/Yellow-Green Polarizer Transflective View Direction 6 o'clock View Angle 40° Sunlight Readable Yes Backlight Color Yellow-Green Backlight Type LED Mode Positive Foreground Color Black Background Color Yellow-Green - electric_bolt Electrical Specification
Electrical Specifications
Supply Voltage for Logic Minimum 3V Supply Voltage for Logic Maximum 3.6V Supply Voltage for Logic Typical 3.3V Supply Voltage for Driving Panel Typical 4.35V Supply Current Minimum 1mA Supply Current Maximum 1.5mA Supply Current Typical 1.2mA Module Connector Pitch 2.54mm - electric_bolt Backlight Specification
Backlight Electrical Specifications
Forward Voltage Minimum 4V Forward Voltage Maximum 4.4V Forward Voltage Typical 4.2V Forward Current Minimum 168mA Forward Current Maximum 252mA Forward Current Typical 210mA - nature Environmental
Environmental
Operating Temperatures min max Celsius -20° 70° Fahrenheit -4° 158° Storage Temperatures min max Celsius -30° 80° Fahrenheit -22° 176° - cable Electronics
Electronics
Controller Documents Sitronix ST7066U
Dot Matrix LCD Controller/DriverInterface 4-bit Parallel, 8-bit Parallel -
picture_as_pdf Datasheets
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download Files and Downloads
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assured_workload Compliance Documents
Part Change Notices
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Part Change Notice #11295: 20x2 Dark on Yellow Character LCD (3.3v) is now available
New Product: CFAH2002A1-YYH-JTV Date Issued: September 26, 2024 Summary: 20x2 Dark on Yellow Character LCD (3.3v) is now available Description: CFAH2002A1-YYH-JTV has been released on our website (https://www.crystalfontz.com/product/cfah2002a1yyhjtv-20x2-character-display-module-text) and is now available for sale.
Orders can be placed directly from our website or by submitting a purchase order to sales@crystalfontz.com.
Contact support@crystalfontz.com for any technical questions.