I2C
- AT24C01C：1Kb I²C-compatible 2-wire Serial EEPROM
- AT24C01D：1Kb I²C-compatible 2-wire Serial EEPROM
- AT24C02C：2Kb I²C-compatible 2-wire Serial EEPROM
- AT24C02D：2Kb I²C-compatible 2-wire Serial EEPROM
- AT24HC02C：2Kb I²C-compatible 2-wire Serial EEPROM with Half Memory Write Protect
- AT34C02D：2Kb I²C-compatible 2-wire Serial EEPROM with 16-byte Page Write
- AT24C04C：4Kb I²C-compatible 2-wire Serial EEPROM
- AT24C04D：4Kb I²C-compatible 2-wire Serial EEPROM
- AT24HC04B：4Kb I²C-compatible 2-wire Serial EEPROM with Half Memory Write Protect
- AT34C04：4Kb I²C-compatible 2-wire Serial EEPROM with Reversible Software Write Protection
- AT24C08C：8Kb I²C-compatible 2-wire Serial EEPROM
- AT24C08D：8Kb I²C-compatible 2-wire Serial EEPROM
- AT24C16C：16Kb I²C-compatible 2-wire Serial EEPROM
- AT24C16D：16Kb I²C-compatible 2-wire Serial EEPROM
- AT24C32D：32Kb I²C-compatible 2-wire Serial EEPROM
- AT24C32E：32Kb I²C-compatible 2-wire Serial EEPROM
- AT24C64B：64Kb I²C-compatible 2-wire Serial EEPROM
- AT24C64D：64Kb I²C-compatible 2-wire Serial EEPROM
- AT24C128C：128Kb I²C-compatible 2-wire Serial EEPROM
- AT24C256C：256Kb I²C-compatible 2-wire Serial EEPROM
- AT24C512C：512Kb I²C-compatible 2-wire Serial EEPROM
- AT24CM01：1Mb I²C-compatible 2-wire Serial EEPROM
- AT24CM02：2Mb I²C-compatible 2-wire Serial EEPROM
- AT24MAC402：2Kb I²C-compatible 2-wire Serial EEPROM with embedded MAC/EUI-48 address
- AT24MAC602：2Kb I²C-compatible 2-wire Serial EEPROM with embedded EUI-64 address
- AT24CS01：1Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS02：2Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS04：4Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS08：8Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS16：16Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS32：32Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CS64：64Kb I²C-compatible 2-wire Serial EEPROM with 128-bit serial number
- AT24CSW01：1Kb I²C-compatible 2-wire Serial EEPROM with Software Write Protection and a Pre-programmed Serial Number
- AT24CSW02：2Kb I²C-compatible 2-wire Serial EEPROM with Software Write Protection and a Pre-programmed Serial Number
- AT24CSW04：4Kb I²C-compatible 2-wire Serial EEPROM with Software Write Protection and a Pre-programmed Serial Number
- AT24CSW08：8Kb I²C-compatible 2-wire Serial EEPROM with Software Write Protection and a Pre-programmed Serial Number
