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Home » NEWEST Products » New by Manufacturer » NXP Semiconductors » NXP PCF8523 Real-Time Clock (RTC) and Calendar
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NXP PCF8523 Real-Time Clock (RTC) and Calendar
NXP PCF8523 Real-Time Clock (RTC) and Calendar

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NXP PCF8523 Real-Time Clock (RTC) and Calendar

NXP's PCF8523 Real-Time Clock (RTC) and Calendar is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. Data is transferred serially via an 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.

Features
  • Maintains optimal GPS signal reception for as long as possible
  • Significant PCB size savings (50%)
  • Lower component cost (10%)
Applications
  • Power supply protection
  • Automotive application
  • Industrial application
  • Power management
Block Diagram
Block Diagram
  • NXP Semiconductors
  • Semiconductors|Integrated Circuits|IC-Clock & Timer