USB LCD Displays
This product has reached end of life. We do not offer any direct replacements for this item, however we have many other 20x4 character displays that might suit your needs. Feel free to contact our tech support team to get assistance in finding the right display for your project.
Red 20x4 Character LCD (EOL)
Part Number: CFAH2004A-RGH-JT
Parallel Character LCD 20x4, RoHS Compliant, Red LED Backlight, STN Positive, Gray, Transflective -20°C to +70°C 6:00,
- 8-bit or 4-bit parallel interface
- Industry-standard HD44780 compatible controller
Datasheet
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 |
| Weight | 52g |
Optical Characteristics
| Glass Type/Glass Color | STN/Gray |
| Polarizer | Transflective |
| View Direction | 6 o'clock |
| Sunlight Readable | Yes |
| Backlight Color | Red |
| Backlight Type | LED |
| Mode | Positive |
| Foreground Color | Dark |
| Background Color | Red |
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 ST7066U Dot Matrix LCD Controller/Driver Sitronix ST7066U |
| Interface | 4-bit Parallel, 8-bit Parallel |
