NXP PCF85163T/1518 Real-Time Clock (RTC) IC

The NXP PCF85163T/1518 is a compact, low-power, real-time clock/calendar (RTC) IC that offers a wealth of features for time-tracking applications in various electronic devices. Designed with precision and reliability in mind, this RTC IC is an ideal choice for embedded systems requiring accurate timekeeping, such as smart meters, home automation, handheld devices, and industrial control systems.

Key Features:

• Timekeeping Accuracy: The PCF85163T/1518 maintains precise timekeeping with a frequency offset of less than 5 ppm at room temperature, ensuring minimal drift over time.
• Low Power Consumption: With a typical current consumption of only 0.22 μA at VDD = 3.0 V and T amb = 25 °C, it is optimized for battery-powered applications where power efficiency is critical.
• Flexible Power Management: The device supports a wide voltage range from 1.0 V to 5.5 V, allowing it to operate in diverse power environments.
• Programmable Clock Output: A programmable clock output function can be used for peripheral device clocking, further enhancing the IC's versatility.
• Alarm and Timer Functions: Integrated alarm and timer capabilities enable scheduled tasks and alerts, which are essential for many time-based applications.

Technical Specifications:

• 400 kHz two-wire I²C-bus interface (at VDD = 1.8 V to 5.5 V)
• Internal Power-On Reset (POR)
• 365-day calendar with leap year correction
• Timestamp function for 4 bytes of user programmable data
• Countdown timer with repeat function
• Programmable offset register for frequency adjustment

The PCF85163T/1518 is available in a small TSSOP14 package, making it suitable for space-constrained applications. Its simple interface and comprehensive feature set make it easy to integrate into various designs, providing a reliable and cost-effective solution for maintaining accurate time and date information.

With its robust design and NXP's commitment to quality, the PCF85163T/1518 RTC IC is a dependable component for any time-sensitive electronic system.