4x20 Character Display EA DOGM204B-A
** EA DOGM204B-A is EOL July 2026, possible alternative is EA DOGM204B-B, same mechanical size, modifies pin-out and different LCD driver IST3602 **
EA DOGM204B-A DOG series character display with 4x20 (4 line x 20 chars), 4.8 mm char height. Extremely thin 2.0mm (display only) or 5.7mm when used with a LED backlight, COG display in STN neg transmissive blue. 3.3 V single supply. The display be can soldered directly into the PCB or plugged into a connector with 2.54 mm pitch EA FL-22P. The display has a SD1803A controller with 4 different charsets incl. Cyrillic, SPI, I²C and 4-/8- bit parallel interface. Character set is included and an extra 8 free definable characters can be programmed.
With this display the LED backlight needs to be on to read the information.
Possible backlights for use with the EA DOGM204B-A display are EA LED66x40-W (White), EA LED66x40-A (Amber), EA LED66x40-GR (Dual Green/Red). The picture shows the EA DOGM204B-A display with the EA LED66x40-W White backlight.
The LED backlight need to be ordered separately. Click HERE for the EA LED66x40 backlights.
Download the free of charge DOG-Simulator and experiment with all combinations of display technology and LED backlight colours. Show the DOG displays on your desktop without any programming or order the EA 9780-4USB test board to power your display.
Click HERE for more details on the DOG-simulator.
| Total Width | 66 |
| Total Height | 40 |
| View area width | 63 |
| View area height | 26 |
| Thickness | 2 |
| Status | In production |
| Interface |
SPI 4/8 Bit I2C |
| Backlight Colour | not defined |
| Voltage Supply | 3.3V |
| Char X Line | 20 |
| Char Height | 4.8 |
| Background Colour | blue |
| Current Backlight Off (mA) | 0.25 |
| View Angle | 6:00 / bottom view |
| Display Technology | STN blue |
| Pixel Size Y | 0.59 |
| Pixel Size X | 0.48 |
| Operating Temperature | -20 ... +70 °C |
| Controller | SSD1803A |
| Active | 1 |
| Fonts | 3 |

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