PCF8576T/1,118

Overview

The PCF8576T/1,118 is a single-chip LCD controller and driver manufactured by NXP USA Inc. It supports up to forty segment drives, enabling the control of twenty 7-segment numeric characters or ten 14-segment alphanumeric characters. The device operates on a supply voltage range of 2.5V to 6V with a typical current consumption of 30 µA. It utilizes a 40-VSO surface-mount package and communicates via a two-line bidirectional I²C bus. The component functions within an operating temperature range of -40°C to 85°C.

Feature Summary

• Integrates LCD controller and driver functions for static or multiplexed displays
• Supports up to four backplanes and forty segments
• Features display RAM with auto-incremented addressing to minimize communication overhead
• Compatible with most microcontrollers through standard I²C interface

Applications

• Low multiplex rate liquid crystal display systems
• Numeric character display modules
• Alphanumeric character display modules
• Microcontroller peripheral interfaces

Procurement Notes

This specific part number is listed as obsolete and no longer in active production. Verification of availability should focus on remaining stock from authorized distributors or approved alternative sources. Designers must confirm end-of-life status before finalizing procurement plans to ensure long-term supply stability.

Selection Notes

Select this component for applications requiring low-power LCD driving with minimal external circuitry. The integrated RAM reduces microcontroller processing load. Ensure the target display matches the forty-segment limit and compatible voltage ranges. Verify I²C bus compatibility with the host system controller.

Part Context

The PCF8576 series serves as a universal LCD driver designed for low multiplex rates. This specific variant represents the T/1,118 packaging configuration within the family. It provides a compact solution for driving segment-based displays without complex external logic.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the product's obsolete status.