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8583T Datasheet PCF8583T

Manufacturer: NXP Semiconductors

Overview: PCF8583 Clock and calendar with 240 x 8-bit RAM Rev. 06 — 6 October 2010 Product data sheet 1.

General Description

The PCF8583 is a clock and calendar chip, based on a 2048 bit static CMOS1 RAM organized as 256 words by 8 bits.

Addresses and data are transferred serially via the two-line bidirectional I2C-bus.

The built-in word address register is incremented automatically after each written or read data byte.

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 °C to +70 °C.
  • 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 out.

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