PCF2119DU/2/2,026

Display Drivers Overview

The PCF2119DU/2/2,026 is a low-power CMOS LCD controller and driver designed for dot matrix displays. It supports configurations of up to 2 lines by 16 characters or 1 line by 32 characters in a 5x8 dot format. The device integrates on-chip voltage multipliers, character generator ROM (CGROM), display data RAM (DDRAM), and character generator RAM (CGRAM). It interfaces with microcontrollers via a 4-bit or 8-bit parallel bus or a 2-wire I²C-bus.

Display Drivers Feature Summary

• Single-chip integration providing complete LCD control and driving capabilities with minimal external components.
• Supports alphanumeric and kana character display alongside user-defined symbols and icon functions.
• Includes configurable internal voltage generation with temperature compensation for stable operation.
• Offers flexible connectivity through standard parallel bus modes and the 2-wire I²C interface.

Display Drivers Applications

• Dot matrix LCD displays requiring 2-line by 16-character formats
• Dot matrix LCD displays requiring 1-line by 32-character formats
• Systems utilizing icon blink features and custom symbol generation

Display Drivers Procurement Notes

Verify the specific suffix '2,026' against official NXP documentation to confirm tape-and-reel packaging specifications and lot traceability requirements. Ensure compatibility with the intended PCB footprint for the die package variant. Cross-reference the exact part number with current NXP product availability status to confirm active manufacturing status before finalizing procurement plans.

Display Drivers Selection Notes

Select this component when a single-chip solution is required for driving dot matrix LCDs with integrated bias generation. Consider the PCF2119 series if system design benefits from reduced external component count and lower current consumption during icon-only display modes. Evaluate interface needs to determine suitability between parallel bus and I²C connectivity options based on available microcontroller resources.

Display Drivers Part Context

This component belongs to the PCF2119x family of LCD controllers manufactured by NXP Semiconductors. The family is characterized by its CMOS technology and capability to drive various dot matrix configurations. The specific model represents a variant within this series, maintaining core functionalities such as CGROM/CGRAM support and multiple interface options common to the product line.

Display Drivers Replacement Considerations

Consult official NXP substitution lists for verified alternatives. Generic cross-references may not account for specific electrical tolerances or pinout variations inherent to the die package configuration.

Display Drivers FAQ

What character sets are supported by the PCF2119DU?

The device includes a Character Generator ROM (CGROM) supporting 240 characters in 5x8 dot format, including alphanumeric and kana characters, along with 16 user-defined symbols stored in Character Generator RAM (CGRAM).

How is the LCD bias voltage generated?

The chip features an on-chip configurable voltage multiplier that can generate 4, 3, or 2 times the supply voltage. This function is programmable via instruction and includes temperature compensation to maintain stability.