PCF8545BTT/AY

Display Drivers Overview

The PCF8545BTT/AY is a real-time clock and LCD segment driver integrated circuit manufactured by NXP Semiconductors. It combines an SPI-based LCD driver capable of multiplex rates up to 1:8 with a real-time clock function. The device is housed in a TSSOP56 package. This specific part number is identified as obsolete and has been discontinued from production.

Display Drivers Feature Summary

• Integrated real-time clock functionality
• SPI interface for LCD segment driving
• Supports multiplex rates up to 1:8

Display Drivers Applications

• Devices requiring combined timekeeping and display control

Display Drivers Procurement Notes

This component is officially listed as obsolete and no longer in production. Availability is restricted, and distributors may not stock this item. Engineers should verify current supply status carefully and consider alternative solutions for new designs to ensure long-term project viability.

Display Drivers Selection Notes

Due to the obsolete status of the PCF8545BTT/AY, it is unsuitable for new product development. Designers should evaluate newer NXP LCD drivers or separate RTC and display controller combinations that offer active manufacturing support and extended longevity guarantees.

Display Drivers Part Context

The PCF8545 series belongs to NXP's portfolio of peripheral devices designed for embedded applications. These components typically integrate multiple functions to reduce system complexity. The BTT/AY suffix indicates the specific tape-and-reel packaging and automotive-grade qualification variant within the broader PCF8545 family.

Display Drivers Replacement Considerations

No direct public substitute part numbers are confirmed for this obsolete component. Designers must perform a full redesign using currently available NXP LCD drivers and RTC ICs.