| AT24C21 | Atmel | 1K, 2-Wire Bus Serial EEPROM, Dual Mode, Plug & Play Operation. Not recommended for New Designs. |
| AT24C256 | Atmel | 128/256K, 2-Wire Bus Serial EEPROM w/Cascadable Feature |
| AT24C256SC | Atmel | 2-wire, 128K and 256K Serial EEPROM |
| AT24C32 | Atmel | 32/64K, 2-Wire Bus Serial EEPROM w/Cascadable Feature. Not recommended for new designs. See AT24C32A. |
| AT24C32A | Atmel | 32/64K, 2-Wire Bus Serial EEPROM w/Cascadable Features, Full Write Protect and high speed at medium voltage. Recommended for new ... |
| AT24C32B | Atmel | 32K/64K, 2 wire Bus Serial EEPROM with cascadable features, |
| AT24C32SC | Atmel | 2-wire, 32K and 64K Serial EEPROM |
| AT24C512 | Atmel | 512K, 2-Wire Bus Serial EEPROM w/Cascadable Feature |
| AT24C512SC | Atmel | 2-wire, 512K Serial EEPROM |
| AT24C64 | Atmel | 32/64K, 2-Wire Bus Serial EEPROM w/Cascadable Feature. Not recommended for new designs. See AT24C64A. |
| AT24C64A | Atmel | 32/64K, 2-Wire Bus Serial EEPROM w/Cascadable Features, Full Write Protect and high speed at medium voltage. Recommended for new ... |
| AT24C64B | Atmel | 64K, 2 wire Bus Serial EEPROM with cascadable features, 1/4 write protect and high speed at medium voltage. Recommended for new ... |
| AT24C64SC | Atmel | 2-wire, 32K and 64K Serial EEPROM |
| AT24CS128 | Atmel | 128/256K, 2-Wire Bus Serial EEPROM w/Cascadable Feature and Permanent Software Write Protect |
| AT25010 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25010A. |
| AT25010A | Atmel | 1K, SPI Bus Serial Extended Temperature EEPROM, supports SPI mode 0 and 3. Recommended for new designs. |
| AT25020 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25020A. |
| AT25020A | Atmel | 2K, SPI Bus Serial Extended Temperature EEPROM, supports SPI mode 0 and 3. Recommended for new designs. |
| AT25040 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25040A. |
| AT25040A | Atmel | 4K, SPI Bus Serial Extended Temperature EEPROM, supports SPI mode 0 and 3. Recommended for new designs. |