NXP PCF8583T/5,518 Real-Time Clock/Calendar

The PCF8583T/5,518 is a sophisticated Real-Time Clock (RTC) and calendar chip from NXP Semiconductors. Designed for precision timekeeping and scheduling applications, this integrated circuit offers a wide range of features packed into a small surface-mount package.

Key Features

• Timekeeping: The PCF8583T/5,518 maintains accurate time tracking, including seconds, minutes, hours, days, months, and years. It also accounts for leap years up to the year 2099, ensuring long-term reliability without the need for manual adjustments.
• Alarm Function: A programmable alarm function allows users to set reminders or trigger events at specified times, making it ideal for time-critical applications.
• Low Power Consumption: This device is optimized for low power consumption, making it suitable for battery-operated systems where power efficiency is crucial.
• I2C Interface: Communication with microcontrollers or other digital systems is facilitated through an I2C-bus interface, allowing for easy integration into existing designs.
• On-Chip Oscillator: An on-chip 32.768 kHz oscillator provides the timing source for the RTC, ensuring stable and precise timekeeping.
• Counters: Additional counters for hundredths of seconds, seconds, minutes, hours, days, months, and years contribute to the versatile functionality of the chip.

Applications

The PCF8583T/5,518 is suitable for a wide range of applications that require accurate time and date functions, including:

• Data loggers
• Electronic metering
• Industrial controllers
• Personal electronics
• Home appliances

Package and Quality

Encased in an SO8 package, the PCF8583T/5,518 is designed for surface-mount technology (SMT) assembly processes, which provides space-saving benefits on printed circuit boards (PCBs). NXP's commitment to quality ensures that this RTC/calendar chip meets the stringent requirements for industrial and consumer electronics, offering both reliability and performance.