This document is a detailed parameter introduction of Noritake iTron 2 x 20, 9mm Dot Character VFD Modules
The CU209‑TW202A is a 5×7 dot character vacuum fluorescent display (VFD) module with a single 5 V supply. It offers 1 line of 20 characters, 9 mm high characters, 16 user‑definable characters, and high‑brightness blue‑green illumination. The module includes a high‑speed parallel/serial interface driver and micro‑controller ICs with refresh RAM.
The handbook lists electrical specifications such as a 5.0 VDC supply, 240 mA typical current, and logic levels compatible with 5 V CMOS. It also details optical and environmental limits, character and dot pitch dimensions, and a full set of software commands and instruction codes for controlling the display.
| Power Supply Voltage | 5.0 VDC |
|---|---|
| Power Supply Current | 240 mA typ. |
| Logic High Input (VIH) | 2.0 VDC min. |
| Logic Low Input (VIL) | 0.8 VDC max. |
| Logic High Output (VOH) | 4.4 VDC min. |
| Logic Low Output (VOL) | 0.5 VDC max. |
| Operating Temperature | -40 °C to +85 °C |
| Luminance | 350 cd/m² min. |
| User Definable Characters | 16 |
The module operates from –40 °C to +85 °C.
It requires a single 5 VDC supply.
The display supports 16 user‑definable characters.