The PCF8583T/F4 is a highly integrated clock and calendar chip from NXP Semiconductors, designed to offer a comprehensive timekeeping solution for a wide range of applications. This versatile component features a serial I2C-bus interface, which allows for easy integration into existing systems with minimal interfacing requirements.

Key Features

• Real-Time Clock/Calendar: Accurately keeps track of seconds, minutes, hours, days, weekdays, dates, months, and years until the year 2099. It also accounts for leap years.
• Alarm Function: Comes with an alarm function that can be set to a specific moment or a specific second, minute, hour, day, or month.
• Programmable Clock Output: The clock output can be programmed for different frequencies to serve as a peripheral clock or to be used for timer applications.
• Low Power Consumption: Designed for low power consumption, making it ideal for battery-powered devices.
• Internal Power-On Reset: An on-chip power-on reset function ensures reliable operation upon power up.
• 240 x 8-bit RAM: Features an integrated static RAM of 240 x 8 bits for general storage purposes.

Applications

The PCF8583T/F4 is suitable for a broad spectrum of applications, including but not limited to:

• Consumer electronics (e.g., clocks, VCRs, Hi-Fis)
• Office equipment (e.g., fax machines, copiers)
• Data loggers
• Personal computers
• Utility meters

Technical Specifications

• Package: SO8
• Supply Voltage: 2.5 V to 6.0 V
• Frequency: 32.768 kHz crystal oscillator
• Temperature Range: -40 °C to +85 °C
• I2C-bus Interface: Two-wire serial interface for easy connection

With its combination of features and ease of use, the PCF8583T/F4 from NXP is an excellent choice for designers looking to integrate reliable timekeeping functions into their products.