DMF5005NY-EB Datasheet: 240x64 Graphic LCD with T6963C
The DMF5005NY-EB is a 240x64 dot matrix graphic display engineered to simplify system integration and accelerate the development lifecycle. This module provides a streamlined solution for presenting detailed graphical information in a compact form factor. Its design philosophy centers on reducing external component dependency and software complexity, making it a robust choice for instrument panels and control systems. The inclusion of a built-in T6963C controller offloads critical display management tasks from the host processor. For engineers evaluating display options, a key question is often about power supply complexity; the DMF5005NY-EB resolves this by operating from a single +5V supply, thanks to its integrated negative voltage generator.
Technical Deep Dive
Inside the Architecture: Integrated Controller and Power Circuitry
The core of the DMF5005NY-EB's integration-friendly design is the onboard Toshiba T6963C dot matrix LCD controller. This component acts as a dedicated graphics co-processor, managing the display RAM, character generation, and pixel-level control. This architecture significantly reduces the software development overhead for the host system. Instead of writing low-level routines for pixel mapping and screen refresh, the engineer communicates with the module via high-level commands over a standard 8-bit parallel interface. This frees the main MCU to focus on its primary application tasks.
Further simplifying the design is the module's power system. It requires only a single +5V DC supply for its logic circuits. The necessary negative voltage for driving the STN LCD panel is generated internally by an onboard power circuit. This feature is a crucial design simplification; it completely eliminates the need for an external negative power rail, which in turn reduces the Bill of Materials (BOM), shrinks the required PCB footprint, and removes a potential source of system noise. The module also integrates an EL (Electroluminescent) backlight, providing a complete, self-contained visual interface component.
Application Scenarios & Value
Streamlining Designs in Industrial and Medical HMIs
The DMF5005NY-EB is well-suited for applications where clear information display, reliability, and a straightforward design process are paramount. Its feature set provides distinct advantages in specific environments:
- Industrial Control Panels: In manufacturing equipment, process controllers, and automation systems, the module can display status information, simple graphs, and system menus without requiring a complex, full-color HMI. Its single-voltage operation enhances the electrical robustness of the overall system.
- Test and Measurement Equipment: Benchtop instruments like oscilloscopes, signal generators, and power supplies benefit from a graphical display that can render waveforms and complex measurement data. The integrated controller ensures that the display interface does not become a processing bottleneck.
- Medical Monitoring Devices: For patient monitoring systems or medical diagnostics where key vital signs or data need to be displayed unambiguously, this module offers a dependable solution. Its proven technology is advantageous for long product lifecycles common in the medical field.
- Legacy System Maintenance: As a direct replacement or a functional equivalent for older displays using the T6963C controller, it facilitates the repair and maintenance of long-serving industrial and scientific equipment.
For systems requiring a compact graphical output with minimal power supply complexity, the DMF5005NY-EB's feature set offers the most direct path to a finished design.
Key Parameter Overview
Core Specifications for Seamless Integration
The technical specifications of the DMF5005NY-EB are tailored for straightforward implementation in embedded systems. Understanding these parameters is key to effective design. The contrast ratio, for example, can be thought of as the clarity of a traffic signal; a higher ratio means a more distinct difference between on and off states, ensuring readability. This module provides the foundational performance needed for clear information delivery.
| Electrical Characteristics (VSS=0V, Ta=25°C) | |
|---|---|
| Parameter | Value |
| Logic Supply Voltage (VDD) | 5.0V ±0.25V |
| LCD Driving Voltage (VEE) | -10.5V (Typ.) |
| Input High Voltage (VIH) | 2.2V to VDD |
| Input Low Voltage (VIL) | 0V to 0.6V |
| Supply Current (IDD) | 15 mA (Typ.) |
| Display & Optical Characteristics | |
| Display Technology | STN (Super-twisted Nematic) |
| Display Format | 240 x 64 Dots |
| Viewing Area | 132.0 mm x 39.0 mm |
| Dot Size | 0.49 mm x 0.49 mm |
| Response Time (Tr + Tf) | 250 ms (Typ.) |
| Contrast Ratio | 6 (Typ.) |
Industry Insights & Strategic Advantage
The Value of Proven Technology in Long-Lifecycle Systems
In an industry often focused on the latest high-resolution color displays, modules like the DMF5005NY-EB retain a strategic advantage in specific sectors. What is the primary benefit of its proven design? It offers unparalleled stability and predictability for long-lifecycle products common in industrial, medical, and aerospace fields. These applications demand components with a well-understood performance envelope and a stable supply chain, where redesigning a product due to display obsolescence is prohibitively expensive.
The use of a standard controller like the T6963C de-risks the integration process, leveraging a vast existing knowledge base and code libraries. This reduces development costs and shortens time-to-market, providing a competitive edge for manufacturers who prioritize reliability and total cost of ownership over raw display specifications. For more context on display technologies, see this ultimate guide to TFT-LCDs.
Intra-Series Comparison & Positioning
Positioning the DMF5005NY-EB: Graphic Module vs. Character Displays
When selecting a monochrome display, engineers often choose between character and graphic modules. The DMF5005NY-EB squarely occupies the graphic module category, offering significantly more flexibility than a standard character LCD. While a character display (e.g., 16x2 or 20x4) is limited to displaying predefined alphanumeric characters, a graphic module controls each pixel individually. This capability allows the DMF5005NY-EB to render custom fonts, icons, corporate logos, simple graphs, and information in multiple languages, including those with complex character sets. For applications that have evolved beyond simple text readouts, this module serves as a logical and easily integrated upgrade from a character-based HMI.
Frequently Asked Questions
1. What is the main advantage of the integrated T6963C controller in the DMF5005NY-EB?
The primary advantage is the simplification of software development. The T6963C handles low-level tasks like screen refresh and memory mapping, allowing the host microprocessor to send high-level commands. This reduces code complexity, speeds up development, and enables the use of less powerful, more cost-effective MCUs.
2. Does the DMF5005NY-EB require an external negative voltage power supply?
No, it does not. The module features an integrated charge pump circuit that generates the required negative voltage for the LCD drive internally from the single +5V logic supply. This is a key feature that simplifies power supply design, saving board space and reducing overall system cost.
Request for Information
To evaluate the DMF5005NY-EB for your specific application or to inquire about its integration into your system design, please contact our technical support team. We provide engineering-level data to help you make an informed procurement decision based on your project's unique technical and operational requirements. Our role is to provide comprehensive information to support your design process.
