| PartNumber | AT28C256-25FM/883-949 | AT28C256-25FM/883-815 | AT28C256-25FM/883 |
| Description | EEPROM 250NS, FLATPACK, 883C; LEV B COMPLIANT | EEPROM 250NS, FLATPACK, 883C; LEV B COMPLIANT | EEPROM 256K 11MIL GRIND - 250NS |
| Manufacturer | Microchip | Microchip | Adesto Technologies |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TDFN-8 | TSSOP-8 | TSSOP-8 |
| Memory Size | 2 kbit | 128 kbit | - |
| Organization | 256 x 8 | 16 k x 8 | - |
| Interface Type | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI | - |
| Data Retention | 200 Year | 200 Year | - |
| Maximum Clock Frequency | 10 MHz | - | - |
| Supply Current Max | 5 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | Reel | Reel |
| Brand | Microchip Technology | Microchip Technology | Adesto Technologies |
| Operating Supply Voltage | 2.5 V to 5.5 V | - | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 3300 | 2500 | 4000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.001764 oz | 0.005573 oz | - |
| Series | - | - | RM25C512C-L |
| Tradename | - | - | Mavriq |