| PartNumber | AT49BV642DT-70TU | AT49BV642D-70TU |
| Description | NOR Flash 64M FLASH-64M 2.7V TOP BOOT | NOR Flash 64M FLASH-64M 2.7V BTM BOOT |
| Manufacturer | Microchip | Microchip |
| Product Category | NOR Flash | NOR Flash |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | TSOP-48 | TSOP-48 |
| Series | AT49BV | AT49BV |
| Memory Size | 64 Mbit | 64 Mbit |
| Interface Type | Parallel | Parallel |
| Organization | 4 M x 16 | 4 M x 16 |
| Timing Type | Asynchronous | Asynchronous |
| Data Bus Width | 16 bit | 16 bit |
| Supply Voltage Min | 2.65 V | 2.65 V |
| Supply Voltage Max | 3.6 V | 3.6 V |
| Supply Current Max | 15 mA | 15 mA |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Height | 1.2 mm | - |
| Length | 12.1 mm | - |
| Memory Type | NOR | NOR |
| Speed | 70 ns | 70 ns |
| Width | 18.5 mm | - |
| Architecture | Sector | Sector |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | Yes |
| Product Type | NOR Flash | NOR Flash |
| Standard | Common Flash Interface (CFI) | Common Flash Interface (CFI) |
| Factory Pack Quantity | 96 | 96 |
| Subcategory | Memory & Data Storage | Memory & Data Storage |