| PartNumber | 25AA256T-E/SN | 25AA256T-E/SM | 25AA256T-E/MF |
| Description | EEPROM 256k, 32K X 8, 1.8V SER EE EXT | EEPROM 256k, 32K X 8, 1.8V SER EE EXT | EEPROM 256k, 32K X 8, 1.8V SER EE EXT |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOIJ-8 | DFN-8 |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Packaging | Reel | Reel | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | - | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 3300 | 2100 | 3300 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | - | 0.001319 oz |