PCF85063ATL/1,118

Real Time Clock Overview

The PCF85063ATL/1,118 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. It operates within a clock voltage range of 0.9 V to 5.5 V and features a 400 kHz I2C-bus interface. The device provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal. Typical current consumption is 0.22 μA at VDD = 3.3 V and Tamb = 25 °C. It includes an offset register for frequency adjustment, selectable integrated oscillator load capacitors (7 pF or 12.5 pF), alarm functions, a countdown timer, minute/half-minute interrupts, and oscillator stop detection.

Real Time Clock Feature Summary

• Low current consumption: typical 0.22 μA at VDD = 3.3 V and Tamb = 25 °C
• 400 kHz two-line I2C-bus interface operating at VDD = 1.8 V to 5.5 V
• Programmable clock output for peripheral devices (32.768 kHz down to 1 Hz)
• Internal Power-On Reset (POR) and software reset capability

Real Time Clock Applications

• Digital still camera
• Digital video camera
• Printers
• Copy machines
• Mobile equipment

Real Time Clock Procurement Notes

Verify the package type DFN2626-10 and the specific ordering suffix /1,118 which indicates a reel packing method with a minimum order quantity of 4000 units. Confirm that the temperature range matches the application requirements of -40 °C to +85 °C. Ensure the I2C bus voltage levels are compatible with the system's VDD supply.

Real Time Clock Selection Notes

Select this component when a tiny RTC with low power consumption and I2C interface is required. The DFN2626-10 package is suitable for space-constrained designs. Consider the programmable offset register if high accuracy tuning is needed without external components. Verify that the system can support the 0.9 V to 5.5 V operating voltage range.

Real Time Clock Part Context

This part belongs to the PCF85063A family of tiny real-time clocks/calendars with alarm functions and I2C-bus interfaces. Other variants in the family include PCF85063AT (SO8) and PCF85063ATT (TSSOP8). The PCF85063ATL/1,118 specifically denotes the DFN2626-10 package version packaged in reels of 4000 units.

Real Time Clock Replacement Considerations

Direct replacements within the same family include PCF85063AT (SO8) and PCF85063ATT (TSSOP8), though pinouts and packages differ. Cross-package substitution requires PCB layout changes. No other direct functional substitutes are listed in the provided documentation.