CAT24C21 1-kb Dual Mode Serial EEPROM for VESA™ "Plug-and-Play" FEATURES s DDC1TM/DDC2TM interface compliant for s Low power CMOS technology s 1,000,000 program/erase cycles s 100 year data retention H GEN FR ALO EE LE A D F R E ETM monitor identification s 400 kHz I2C bus compatible* s 2.
5 to 5.
5 volt operation s 16-byte page write buffer s Hardware write protect s 8-pin DIP, SOIC, TSSOP, MSOP or TDFN packages s Industrial temperature range DESCRIPTION The CAT24C21 is a 1-kb Serial CMOS EEPROM internally organized as 128 words of 8 bits each.
The device complies with the Video Electronics Standard Association's (VESA™), Display Data Channel (DDC™) standards for "Plug-and-Play" moni...

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