| PartNumber | AT28C256E-20LM/883 | AT28C256E-20FM/883 | AT28C256E-20UM/883 |
| Description | EEPROM 256K HI-ENDURANCE SDP - 200NS | EEPROM 256K HI-ENDURANCE SDP - 200NS | EEPROM 256K HI-ENDURANCE SDP - 200NS |
| Manufacturer | Microchip | Adesto Technologies | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | - | Y |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | SOIC-8 | UDFN-8 | PGA-28 |
| Memory Size | 512 kbit | - | 256 kbit |
| Organization | 64 k x 8 | - | 32 k x 8 |
| Packaging | Reel | Reel | Bulk |
| Brand | Microchip Technology | Adesto Technologies | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | - | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 3300 | 5000 | 20 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | - | - |
| Series | - | RM25C256DS | AT28C256 |
| Tradename | - | Mavriq | - |
| Shipping Restrictions | - | - | |
| Interface Type | - | - | Serial, 4-Wire, SDI, SPI |
| Access Time | - | - | 150 ns |
| Data Retention | - | - | 10 Year |
| Supply Current Max | - | - | 50 mA |
| Supply Voltage Min | - | - | 4.5 V |
| Supply Voltage Max | - | - | 5.5 V |
| Minimum Operating Temperature | - | - | - 55 C |
| Maximum Operating Temperature | - | - | + 125 C |
| Height | - | - | 2.57 mm (Max) |
| Length | - | - | 15.24 mm (Max) |
| Width | - | - | 13.74 mm (Max) |
| Operating Supply Current | - | - | 50 mA |
| Operating Supply Voltage | - | - | 5 V |
| Output Enable Access Time | - | - | 80 ns |
| Programming Voltage | - | - | 4.5 V to 5.5 V |