This product is a 2x20 vacuum fluorescent display with LCD compatible design, wide operating temperature range, single 5V power supply, high brightness blue-green display, selectable 4/8 bit M68/i80 interface, ASCII+Extended character font, 8 user definable character RAM, 4 level brightness control function
The CU20025ECPB-W1J is a 5×7 dot character vacuum fluorescent display (VFD) module offering a 2 × 20 character layout with 5 mm high characters. It includes the display glass, driver and micro‑controller ICs, refresh RAM, character generator and interface logic, and supports high‑brightness blue‑green illumination.
The module features a high‑speed 8‑bit parallel interface compatible with 5 V CMOS, selectable 4/8‑bit M68/i80 bus via a solder link, brightness control, power‑save mode, and 8 user‑definable characters. Detailed electrical, optical and environmental specifications, as well as software commands and pin‑connection tables, are provided for integration with host CPUs.
| Display type | Vacuum Fluorescent Display |
|---|---|
| Character layout | 2 × 20 characters, 5 mm high |
| Operating temperature | -40 °C to +85 °C |
| Supply voltage | 5.0 VDC ±5 % |
| Supply current | 130 mA typical |
| Logic High Input (VIH) | 2.0 VDC min |
| Logic Low Input (VIL) | 0.8 VDC max |
| Luminance | 700 cd/m² typical |
| Brightness control levels | 4 levels |
| Character size/pitch | 2.4 × 4.7 mm |
| Dot size/pitch | 0.4 × 0.5 mm |
The module operates from –40 °C to +85 °C.
It requires a 5.0 VDC supply with a ±5 % tolerance.
The module provides 8 user‑definable character RAM locations.
A selectable 4/8‑bit M68/i80 parallel interface can be set via a solder link.