Clock and Calendar with 240 X 8-bit RAM

  • This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.

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Clock and Calendar with 240 X 8-bit RAM

PCF8583 Block Diagram

PCF8583BS, PCF8583P, PCF8583T, PCF8583U


Key Features

  • I2C-bus interface operating supply voltage: 2.5 V to 6 V
  • Clock operating supply voltage 1.0 V to 6.0 V at 0 ℃ to +70 ℃
  • 240 × 8-bit low-voltage RAM
  • Data retention voltage: 1.0 V to 6.0 V
  • Operating current (at fSCL = 0 Hz): max 50 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
  • Target addresses: A1h or A3h for reading, A0h or A2h for writing

Part numbers include: PCF8583T.


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