CU20045-UW5J is a product of Noritake Itron 5mm Dot Character VFD Module. The product features are: selectable 4/8 bit M68/i80 interface, ASCII+extended character set, and support 8 user-definable character RAM.
The CU20045-UW5J is a 5 mm high, 5×7 dot vacuum fluorescent display module offering 4 lines of 20 characters. It operates from a single 5 V supply, features a high‑brightness blue‑green display, and provides a selectable 4‑ or 8‑bit M68 or i80 bus interface set by solder jumper.
Electrical specifications include a 5.0 VDC ±5 % supply, 275 mA typical current draw, and logic levels compatible with 5 V CMOS. Optical specs list a luminance of 700 cd/m², 4‑level brightness control, and character size of 2.4 × 4.7 mm (or 3.6 × 5.4 mm). The module operates from –40 °C to +85 °C and can be stored from –50 °C to +85 °C.
| Display type | 5×7 dot VFD module |
|---|---|
| Characters | 4×20 characters, 5 mm high |
| Supply voltage | 5.0 VDC ±5 % |
| Supply current (typ.) | 275 mA |
| Logic high input (VIH) | Vcc + 2.0 VDC min |
| Logic low input (VIL) | Vss + 0.8 VDC max |
| Logic high output (VOH) | Vcc – 0.5 VDC min |
| Logic low output (VOL) | Vss + 0.5 VDC max |
| Power‑on rise time | < 50 ms |
| Inrush current | 2 × Icc |
| Operating temperature | -40 °C to +85 °C |
| Storage temperature | -50 °C to +85 °C |
| Luminance | 700 cd/m² |
| Character size / pitch | 2.4 × 4.7 mm / 3.6 × 5.4 mm |
| Dot size / pitch | 0.4 × 0.5 mm / 0.5 × 0.7 mm |
| Brightness control levels | 4‑level |
| Interface selectable | 4/8‑bit M68/i80 selectable by solder jumper |
It requires a 5.0 VDC supply with a tolerance of ±5 %.
The module operates from –40 °C up to +85 °C.
It displays 4 lines of 20 characters each, with each character 5 mm high.
A selectable 4‑ or 8‑bit M68 or i80 bus interface can be set by a solder jumper.