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AT93C56A - Three-wire Serial EEPROM

General Description

The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable programmable read-only memory (EEPROM) organized as 128/256 words of 16 bits each (when the ORG pin is connected to VCC) and 256/512 words of 8 bits each (when the ORG pin is tied to grou

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.
  • 2K: 256 x 8 or 128 x 16.
  • 4K: 512 x 8 or 256 x 16.
  • Three-wire Serial Interface.
  • Sequential Read Operation.
  • 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.

View original datasheet text
1. 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 – 2K: 256 x 8 or 128 x 16 – 4K: 512 x 8 or 256 x 16 • Three-wire Serial Interface • Sequential Read Operation • 2 MHz Clock Rate (5V) • Self-timed Write Cycle (10 ms Max) • High Reliability – Endurance: 1 Million Write Cycles – Data Retention: 100 Years • Automotive Devices Available • 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead Ultra Thin mini-MAP (MLP 2x3), 8-lead Ultra Lead Frame Land Grid Array (ULA), 8-lead TSSOP and 8-ball dBGA2 Packages Three-wire Serial EEPROM 2K (256 x 8 or 128 x 16) 4K (512 x 8 or 256 x 16) 2.