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Real Time IC Clock (RTC) and Calendar, I2C, 1.2V to 5.5V, SOIC-8 - 

PCF8523T/1,118

PCF8523T/1,118 - Real Time IC Clock (RTC) and Calendar, I2C, 1.2V to 5.5V, SOIC-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
NXP NXP
Manufacturer Part No:
PCF8523T/1,118
Order Code:
SC19239
Product Range
-
Technical Datasheet:
PCF8523T/1,118   Datasheet
See all Technical Docs

Product Overview

PCF8523T/1,118 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. Data is transferred serially via the I2C-bus with a maximum data rate of 1000 kbit/s. Alarm and timer functions are available with the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine-tuning of the clock. The PCF8523 has a backup battery switch-over circuit, which detects power failures and automatically switches to the battery supply when a power failure occurs. Typical applications include time keeping application, battery powered devices and metering.
  • Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768KHz quartz crystal
  • Resolution: seconds to years
  • Clock operating voltage range from 1.0V to 5.5V
  • Low backup current of typical 150nA at VDD = 3.0V and Tamb = 25°C
  • 2 line bidirectional 1MHz Fast-mode Plus (Fm+) I2C interface, read D1h, write D0h2
  • Battery backup input pin and switch-over circuit
  • Freely programmable timer and alarm with interrupt capability
  • Selectable integrated oscillator load capacitors for CL = 7pF or CL = 12.5pF
  • Oscillator stop detection function, internal power-on reset (POR)
  • Open-drain interrupt or clock output pins, programmable offset register for frequency adjustment

Product Information


:
YYYY:MM:WK:DD:Hr:Min:Secs

:
Binary

:
Calendar, Clock

:
1.2V

:
5.5V

:
SOIC

:
8Pins

:
I2C

:
-40°C

:
85°C

:
-

:
-

:
-

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Technical Documents (1)

Available for back order

More stock available to supplier lead times which is approximately 14/07/25

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