Real-Time Clock and Calendar with 8 B RAM

Product Details

Block Diagram

Block diagram: PCF8593P, PCF8593T


  • I²C-bus interface operating supply voltage: 2.5 V to 6.0 V
  • Clock operating supply voltage 1.0 V to 6.0 V at 0 ℃ to +70 ℃
  • 8 bytes scratchpad RAM (when alarm not used)
  • Data retention voltage: 1.0 V to 6.0 V
  • External RESET input resets I²C interface only
  • Operating current (at fSCL = 0 Hz, 32 kHz time base, VDD = 2.0 V): typical 1 μA
  • Clock function with four year calendar
  • Universal timer with alarm and overflow indication
  • 24 hour or 12 hour format
  • 32.768 kHz or 50 Hz time base
  • Serial input and output bus (I²C-bus)
  • Automatic word address incrementing
  • Programmable alarm, timer, and interrupt function
  • Space-saving SO8 package available
  • Follower addresses: A3h for reading, A2h for writing

Part numbers include: PCF8593T.


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