| PartNumber | AT49LV040-12TC | AT49LV040-12JI | AT49LV040-12JC |
| Description | NOR Flash 4M bit | NOR Flash 4M bit | NOR Flash 4M bit |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSOP-32 | PLCC-32 | PLCC-32 |
| Series | AT49LV | AT49LV | AT49LV |
| Memory Size | 4 Mbit | 4 Mbit | 4 Mbit |
| Interface Type | Parallel | Parallel | Parallel |
| Organization | 512 k x 8 | 512 k x 8 | 512 k x 8 |
| Timing Type | Asynchronous | Asynchronous | Asynchronous |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 25 mA | 25 mA | 25 mA |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Memory Type | NOR | NOR | NOR |
| Speed | 120 ns | 120 ns | 90 ns |
| Architecture | Sector | Sector | Sector |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Standard | Not Supported | Not Supported | Not Supported |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |