| PartNumber | 25LC128X-I/ST | 25LC128X-E/ST | 25LC128XT-E/ST |
| Description | EEPROM 128k 16KX8 2.5V SER EE IND | EEPROM 128k 16KX8 2.5V SER EE EXT | EEPROM 128k 16KX8 2.5V 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 | TSSOP-8 | TSSOP-8 | TSSOP-8 |
| Memory Size | 128 kbit | 128 kbit | 128 kbit |
| Organization | 16 k x 8 | 16 k x 8 | 16 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 | Tube | Tube | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 100 | 2500 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.005573 oz | 0.005573 oz | 0.005573 oz |