| PartNumber | AT28LV256-20TI | AT28LV256-20JC |
| Description | EEPROM 256k bit | EEPROM 256k bit |
| Manufacturer | Microchip | Microchip |
| Product Category | EEPROM | EEPROM |
| RoHS | N | N |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | TSOP-32 | PLCC-32 |
| Memory Size | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 |
| Interface Type | Parallel | Parallel |
| Access Time | 200 ns | 200 ns |
| Data Retention | 10 Year | 10 Year |
| Supply Current Max | 15 mA | 15 mA |
| Supply Voltage Min | 3.135 V | 3.135 V |
| Supply Voltage Max | 3.465 V | 3.465 V |
| Minimum Operating Temperature | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C |
| Height | 1 mm | 2.79 mm (Min) |
| Length | 8 mm | 14.1 mm (Max) |
| Width | 11.8 mm | 11.51 mm (Max) |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Current | 15 mA | 15 mA |
| Operating Supply Voltage | 3.3 V | 3.3 V |
| Output Enable Access Time | 80 ns | 80 ns |
| Product Type | EEPROM | EEPROM |
| Subcategory | Memory & Data Storage | Memory & Data Storage |