PCA8565 Demo Board

Block Diagram

PCA8565 Demo Board

PCA8565 Block Diagram

Supported Devices

Analog and Mixed Signal

Real-Time Clocks


Key Features

  • Alarm and timer functions
  • Extended operating temperature range: -40 °C to +125 °C
  • AEC-Q100 compliant (PCA8565TS) for automotive applications
  • Open-drain interrupt pin
  • One integrated oscillator capacitor
  • Provides year, month, day, weekday, hours, minutes and seconds based on a 32.768 kHz quartz crystal


  • 400 kHz two-wire I²C-bus interface (at VDD = 1.8 V to 5.5 V)
  • I²C-bus target address: read A3h and write A2h

Power Management

  • Clock operating voltage: 0.9 V to 5.5 V at room temperature
  • Low current; typical 0.65 μA at VDD = 3.0 V and Tamb = 25 °C
  • Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz)
  • Internal power-on reset

Buy Options


Click to expand

  • $42.09USD
  • For a quantity of 1
    • Availability: Pending stock
Order from distributors


Quick reference to our documentation types.

1 documents


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