| Devices | Datasheet | Description |
|---|
| AT24HC04B |  | 4Kbit, 2-Wire Bus Serial EEPROM with 1/2 memory Write Protect, supports up to 8 devices on single 2-Wire bus.
|
| AT34C02 | | 2Kbit, 2-Wire Bus Serial EEPROM with Permanent Software Write Protect (OTP). |
| AT34C02B | | 2Kbit, 2-wire Bus Serial EEPROM with Permanent Software Write Protection (OTP) and Reversible Software Write Protection. AT34C02B not recommended for new design; replaced by AT34C02C. |
| AT34C02C | | 2Kbit, 2-wire Bus Serial EEPROM with Permanent and Reversible Software Write Protection. |
| AT24C16B | | 16Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect |
| AT24C32A | | 32/64K, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus. |
| AT24C64A | | 32/64K, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus. |
| AT24C32C | | 32Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus.
|
| AT24C64B | | 64Kbit, 2 wire Bus Serial EEPROM with 1/4 memory Write Protect, supports up to 8 devices on single 2-Wire bus. |
| AT24C64C | | 64Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus.
|
| AT24C128 | | 128Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 4 devices on single 2-Wire bus. |
| AT24C256 | | 256Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 4 devices on single 2-Wire bus. |
| AT24C128B | | 128Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus.
|
| AT24C256B | | 256Kbit, 2-wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus. |
| AT24C512 | | 512Kbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 4 devices on single 2-Wire bus. |
| AT24C512B | | 512Kbit, 2-wire Bus Serial EEPROM with full memory Write Protect, supports up to 8 devices on single 2-Wire bus. |
| AT24C1024 | | 1Mbit, 2-wire Bus Serial EEPROM with full memory array Write Protection, supports up to 2 devices on single 2-Wire bus.
|
| AT24C1024B | | 1Mbit, 2-Wire Bus Serial EEPROM with full memory Write Protect, supports up to 4 devices on single 2-Wire bus.
|
| AT25010A | | 1Kbit, SPI Bus Serial EEPROM, High Speed, supports Mode 0 and 3. |
| AT25020A | | 2Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
| AT25040A | | 4Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
| AT25080A | | 8Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
| AT25160A | | 16Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
| AT25320A | | 32Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
| AT25640A | | 64Kbit, SPI Bus Serial EEPROM, High speed, supports Mode 0 and 3. |
