This document is the specification of LCD module type MDLS40466D-07, produced by Varitronix Ltd. The module is a 40 characters (5 x 8 dots) x 2 lines STN Positive Yellow Transflective Dot Matrix LCD module.
The MDLS40466D-07 is a 40‑character (5 × 8 dots) by 2‑line STN positive yellow transflective dot‑matrix LCD module with a yellow‑green LED backlight. It uses a Samsung KS0066UP‑10BCC controller and supports a 1/16 duty, 1/5 bias driving scheme.
Key specifications include a 196 mm × 56 mm × 14 mm outline, 154.4 mm × 27.6 mm effective viewing area, 5 V logic supply (typical) and up to 15 V for the LCD driver, and timing parameters for read/write cycles. Environmental limits cover 0 °C to +50 °C operating temperature and -10 °C to +60 °C storage temperature.
| Outline dimensions | 196.0 mm × 56.0 mm × 14.0 mm |
|---|---|
| Effective viewing area | 154.4 mm × 27.6 mm |
| Display format | 40 characters × 4 lines |
| Logic supply voltage (VDD) | 5.0 V typical (4.75 V – 5.25 V range) |
| LCD supply voltage (VLCD) | Up to 15.0 V |
| LED backlight supply current | 360 mA (72 LED chips) |
The backlight uses 72 yellow‑green LED chips and requires a supply current of 360 mA.