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PCF8523TK/1,118

Calendar, Clock IC, Year/Month/Week/Date/Hr/Min/Sec Binary, I2C, 1.2 V to 5.5 V, HVSON-8

PCF8523TK/1,118 - Calendar, Clock IC, Year/Month/Week/Date/Hr/Min/Sec Binary, I2C, 1.2 V to 5.5 V, HVSON-8

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Manufacturer:
NXP NXP
Manufacturer Part No:
PCF8523TK/1,118
Order Code:
2427484
Technical Datasheet:
PCF8523TK/1,118   Datasheet
See all Technical Docs

Product Overview

The PCF8523TK/1,118 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 32.768kHz quartz crystal. Data is transferred serially via the I²C-bus with a maximum data rate of 1000kbps. 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.
  • Seconds to years resolution
  • Battery backup input pin and switch-over circuit
  • Freely programmable timer and alarm with interrupt capability
  • Oscillator stop detection function
  • Internal power-ON Reset (POR)
  • Open-drain interrupt or clock output pins
  • Programmable offset register for frequency adjustment
  • Selectable integrated oscillator load capacitors for CL=7pF or CL=12.5pF

Applications

Metering

Product Information

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

:
Binary

:
Calendar, Clock

:
1.2V

:
5.5V

:
HVSON

:
8Pins

:
I2C

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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