PCF85063TP/1Z

Real Time Clock Overview

The PCF85063TP/1Z is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. It provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal. The clock operating voltage ranges from 0.9 V to 5.5 V, with a typical current of 0.22 µA at VDD = 3.3 V and Tamb = 25 °C. It features a 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V), programmable clock output, selectable integrated oscillator load capacitors, minute and half-minute interrupts, oscillator stop detection, internal Power-On Reset (POR), and a programmable offset register for frequency adjustment.

Real Time Clock Feature Summary

• Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
• Clock operating voltage: 0.9 V to 5.5 V; Low current: typical 0.22 µA at VDD = 3.3 V and Tamb = 25 °C
• 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V)
• Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz)

Real Time Clock Applications

• Digital still camera
• Digital video camera
• Printers
• Copy machines
• Mobile equipment
• Battery powered devices

Real Time Clock Procurement Notes

Verify the ordering suffix 'Z' corresponds to tape and reel delivery form as specified in the ordering information table. Confirm the package version matches HWSON8 (SOT1069-2). Ensure compatibility with the required I²C bus speed and voltage levels for the target application environment.

Real Time Clock Selection Notes

Select this component when ultra-low power consumption is critical for battery-operated devices. The programmable offset register allows for fine-tuning clock accuracy via temperature compensation or aging adjustment. Ensure the external 32.768 kHz crystal load capacitance matches the selected internal capacitor setting (7 pF or 12.5 pF) for optimal performance.

Real Time Clock Part Context

The PCF85063TP is part of NXP's tiny RTC family, designed for miniaturized applications. It shares functional similarities with other RTCs like the PCF8563 but offers specific optimizations for low power and high accuracy through its offset calibration capabilities. The HWSON8 package provides a compact footprint suitable for space-constrained designs.

Real Time Clock Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult NXP documentation for cross-references within the RTC portfolio.