| PartNumber | SST39VF040-70-4I-NHE-T | SST39VF040-70-4I-WHE | SST39VF040-70-4I-NHE |
| Description | NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial | NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial | NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-32 | TSOP-32 | PLCC-32 |
| Series | SST39VF | SST39VF | SST39VF |
| 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 | 2.7 V | 2.7 V | 2.7 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 20 mA | 20 mA | 20 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tube |
| Memory Type | NOR | NOR | NOR |
| Speed | 70 ns | 70 ns | 70 ns |
| Architecture | Sector | Sectored | Sectored |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Factory Pack Quantity | 750 | 208 | 30 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.039824 oz | 0.248858 oz | 0.007055 oz |
| Height | - | 1.05 (Max) mm | 2.84 (Max) mm |
| Length | - | 8.1 (Max) mm | 14.05 (Max) mm |
| Type | - | No Boot Block | No Boot Block |
| Width | - | 12.5 (Max) mm | 11.51 (Max) mm |
| Programming Voltage | - | 3 V to 3.6 V | 2.7 V to 3.6 V |
| Standard | - | Not Supported | Not Supported |