| PartNumber | AT28C256E-20DM/883-815 | AT28C256E-20DM/883 | AT28C256E-20FM/883 |
| Description | EEPROM 200NS CERDIP | EEPROM 256K HI-ENDURANCE SDP - 200NS | EEPROM 256K HI-ENDURANCE SDP - 200NS |
| Manufacturer | Microchip | Adesto Technologies | Adesto Technologies |
| Product Category | EEPROM | EEPROM | EEPROM |
| Shipping Restrictions | - | - | |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | DIP-28 | UDFN-8 | UDFN-8 |
| Memory Size | 256 kbit | - | - |
| Organization | 32 k x 8 | - | - |
| Access Time | 150 ns | - | - |
| Data Retention | 10 Year | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Series | AT28C256 | RM25C128DS | RM25C256DS |
| Packaging | Tube | Reel | Reel |
| Brand | Microchip Technology / Atmel | Adesto Technologies | Adesto Technologies |
| Operating Supply Current | 50 mA | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 14 | 5000 | 5000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | - | Mavriq | Mavriq |