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93C56 - 3-Wire Serial EEPROMs

General Description

The AT93C46/56/66 provides 1024/2048/4096 bits of serial electrically erasable programmable read-only memory (EEPROM), organized as 64/128/256 words of 16 bits each (when the ORG pin is connected to VCC), and 128/256/512 words of 8 bits each (when the ORG pin is tied to ground).

Key Features

  • Low-voltage and Standard-voltage Operation.
  • 2.7 (VCC = 2.7V to 5.5V).
  • 1.8 (VCC = 1.8V to 5.5V).
  • User-selectable Internal Organization.
  • 1K: 128 x 8 or 64 x 16.
  • 2K: 256 x 8 or 128 x 16.
  • 4K: 512 x 8 or 256 x 16.
  • Three-wire Serial Interface.
  • 2 MHz Clock Rate (5V).
  • Self-timed Write Cycle (10 ms max).
  • High Reliability.
  • Endurance: 1 Million Write Cycles.
  • Data Retention: 100 Years.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 5.