| PartNumber | AT28HC256F-12DM/883 | AT28HC256F-12FM/883 | AT28HC256F-12JI |
| Description | EEPROM 256K FAST PROG SDP - 120NS | EEPROM 256K FAST PROG SDP - 120NS | EEPROM 256K FAST PROG SDP-120NS IND TEMP |
| Manufacturer | Adesto Technologies | Adesto Technologies | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| Package / Case | TSSOP-8 | UDFN-8 | PLCC-32 |
| Series | RM25C128DS | RM25C256DS | AT28HC256 |
| Packaging | Reel | Reel | - |
| Brand | Adesto Technologies | Adesto Technologies | Microchip Technology / Atmel |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 4000 | 5000 | 32 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | Mavriq | Mavriq | - |
| RoHS | - | - | N |
| Mounting Style | - | - | SMD/SMT |
| Memory Size | - | - | 256 kbit |
| Organization | - | - | 32 k x 8 |
| Interface Type | - | - | Serial, 4-Wire, SDI, SPI |
| Access Time | - | - | 70 ns |
| Data Retention | - | - | 10 Year |
| Supply Current Max | - | - | 80 mA |
| Supply Voltage Min | - | - | 4.5 V |
| Supply Voltage Max | - | - | 5.5 V |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 85 C |
| Height | - | - | 2.79 mm (Min) |
| Length | - | - | 14.1 mm (Max) |
| Width | - | - | 11.51 mm (Max) |
| Operating Supply Current | - | - | 80 mA |
| Operating Supply Voltage | - | - | 5 V |
| Output Enable Access Time | - | - | 50 ns |
| Programming Voltage | - | - | 4.5 V to 5.5 V |