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PCF8563 IC – (SMD SOP-8 Package) – Real Time Clock (RTC) and Calendar IC

68.00 + GST

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The PCF8563 is a CMOSI Real-Time Clock (RTC) and calendar optimized for low powrer consumption. A programmable clock output, interrupt output, and voltage-low detector are also provided. All addresses and data are transferred serially via a tv.’&line bidirectional 12C-bus. Maximum bus speed is 400 kbit/s. The register address is incremented automatically after each written or read data byte.
  • Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
  • Century flag
  • Clock operating voltage: 1.0 V to 5.5 V at room temperature
  • Low backup current; typical 0.25 at VDD = 3.0 V and Tamb = 25 ° c
  • 400 kHz two-wire I2C-bus interface (at VDD = 1.8 V to 5.5 V)
  • Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz)
  • Alarm and timer functions
  • Integrated oscillator capacitor
  •  Internal Power-On Reset (POR)
  •  I 2C-bus slave address: read A3h and write A2h
  • Open-drain interrupt pin


  • Mobile telephones
  • Portable instruments
  • Electronic metering
  • Battery powered products

* product image for illustration purposes only. actual product may vary.


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