| AT25080 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs.See AT25080A. |
| AT25080A | Atmel | 8K, SPI Bus Serial Extended Temperature EEPROM, supports SPI Mode 0 and 3. Recommended for new designs. |
| AT25128 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25128A. |
| AT25128A | Atmel | 128K, SPI Bus Serial Extended Temperature EEPROM, supports SPI mode 0 and 3. Recommended for new designs. |
| AT25160 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25160A. |
| AT25160A | Atmel | 16K, SPI Bus Serial Extended Temperature EEPROM, supports SPI Mode 0 and 3. Recommended for new designs.. |
| AT25256 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25256A. |
| AT25256A | Atmel | 256K, SPI Bus Serial Extended Temperature EEPROM, supports SPI mode 0 and 3. Recommended for new designs. |
| AT25320 | Atmel | SPI Bus Serail EEPROM. Not recommended for new designs. See AT25320A. |
| AT25320A | Atmel | 32K, SPI Bus Serial Extended Temperature EEPROM, supports SPI Mode 0 and 3. Recommended for new designs. |
| AT25640 | Atmel | SPI Bus Serial EEPROM. Not recommended for new designs. See AT25640A. |
| AT25640A | Atmel | 64K, SPI Bus Serial Extended Temperature EEPROM, supports SPI Mode 0 and 3. Recommended for new designs. |
| AT25HP256 | Atmel | 256/512K-bit, SPI Bus Serial EEPROM, High-speed, Page-write Only, SPI Mode 0 and 3 |
| AT25HP512 | Atmel | 256/512K-bit, SPI Bus Serial EEPROM, High-speed, Page-write Only, SPI Mode 0 and 3 |
| AT25P1024 | Atmel | 1M, SPI Bus Serial EEPROM, Page-Write Only, SPI Mode 0 and 3. |
| AT34C02 | Atmel | 2K, 2-Wire Bus Serial EEPROM w/Permanent Software Write Protect |
| AT93C46 | Atmel | 1K, 3-wire Bus Serial Extended Temperature EEPROM |
| AT93C46A | Atmel | 2K, 3-wire Bus Serial Extended Temperature EEPROM (x8 or x16 organization) with sequential read. Recommended for new designs. |
| AT93C46C | Atmel | 1K, 3-Wire Bus Serial EEPROM (X16 organization) with Schmitt Trigger |
| AT93C56 | Atmel | 2K, 3-Wire Bus Serial Extended Temperature EEPROM |