| PartNumber | 24AA256-E/SN | 24AA256-E/SM | 24AA256-E/ST |
| Description | EEPROM 256K, 32Kx8, 1.8V SER EE, ExT | EEPROM 256K, 32Kx8, 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 | TSSOP-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, 2-Wire, I2C | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Series | 24AA256 | 24AA256 | 24AA256 |
| Packaging | Tube | Tube | Tube |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | - | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 90 | 100 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | - | 0.005573 oz |