24C21 - ATMELCorporation

24C21 2-Wire Serial EEPROM

The AT24C21 provides 1024 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 128 words of 8 bits each. The device is optimized for use in applications requiring data storage and serial transmission of configuration and control information. The AT24C21 features two modes of operation: Transmit-Only Mode and Bidirectio.

Features

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• 2-Wire Serial Interface Schmitt Trigger, Filtered Inputs For Noise Suppression DDC1™/ DDC2™ Interface Compliant for Monitor Identification Low Voltage Operation
  – 2.5 (VCC = 2.5V to 5.5V) Internally Organized 128 x 8 100 kHz (2.5V) Compatibility 8-Byte Page Write Mode Write Protection Available Self-timed Write Cycle (10 ms max) High Reliability
  – Endurance: 1 Million Write Cycles
  – Data Retention: 100 Years
  – ESD Protection: >3000V 8-Pin PDIP and JEDEC SOIC Packages 2-Wire Serial EEPROM 1K (128 x 8)
• Description The AT24C21 provides 1024 bits of serial electrically era.