This is the datasheet of YM144T-004A from Yaoyu Technology. It contains the product's features, block diagram, outline dimensions, interface pin connections, electrical characteristics, electro-optical characteristics, quality guarantee & inspection criteria and reliability.
The YM144T-004A is a 1.44" TFT‑LCD module with a 128 × 128 RGB dot matrix, white LED backlight, and a 30.3 × 34.41 × 2.6 mm package. It operates from 2.8 V to 3.4 V and delivers up to 3000 cd/m² brightness. The manual lists the module’s dimensions, electrical and electro‑optical characteristics, and the 8080‑style 8‑bit interface pinout.
In addition to technical data, the document details quality‑guarantee criteria, inspection procedures, and extensive handling, storage, and safety precautions to prevent damage from mechanical shock, static electricity, or improper cleaning. These guidelines help users install and maintain the LCD module safely.
| LCD Type | 1.44" TFT‑LCD |
|---|---|
| Viewing Direction | 12:00 O’clock |
| Backlight Type | White LED |
| LCD Active Area | 25.5 × 26.5 mm |
| Resolution | 128 × 128 RGB |
| Pixel Pitch | 0.1992 × 0.207 mm |
| Operation Temperature | -10 ~ 60 °C |
| Storage Temperature | -20 ~ 70 °C |
| Driver IC | ST7735 |
| Backlight Input Voltage | 2.8 ~ 3.4 V |
| Backlight Current | 18 mA |
| Brightness | 3000 cd/m² |
The viewing direction is set to 12:00 O’clock.
The backlight operates from 2.8 V to 3.4 V.
The LCD has a 128 × 128 RGB pixel matrix.