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PCF85063ATL - Tiny Real-Time Clock/calendar

Datasheet Summary

Description

The PCF85063ATL is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption.

An offset register allows fine-tuning of the clock.

All addresses and data are transferred serially via the two-line bidirectional I2C-bus.

Features

  • 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 0.27 A at VDD = 3.0 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).
  • Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.

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Datasheet Details

Part number PCF85063ATL
Manufacturer NXP
File Size 740.87 KB
Description Tiny Real-Time Clock/calendar
Datasheet download datasheet PCF85063ATL Datasheet
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Full PDF Text Transcription

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PCF85063ATL Tiny Real-Time Clock/calendar with alarm function and I2C-bus Rev. 2 — 15 April 2013 Product data sheet 1. General description The PCF85063ATL is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. An offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line bidirectional I2C-bus. Maximum data rate is 400 kbit/s. The register address is incremented automatically after each written or read data byte. 2. Features and benefits  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 0.27 A at VDD = 3.0 V and Tamb = 25 C  400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.
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