| PartNumber | SST39WF400A-90-4I-B3KE-T | SST39WF400A-90-4I-M1QE | SST39WF400A-90-4I-B3KE |
| Description | NOR Flash 1.65 to 1.95V 4Mbit Multi-Purpose Flash | IC FLASH 4M PARALLEL 48WFBGA SST39 MPF | IC FLASH 4M PARALLEL 48TFBGA SST39 MPF |
| Manufacturer | Microchip | - | - |
| Product Category | NOR Flash | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TFBGA-48 | - | - |
| Series | SST39WF | - | - |
| Memory Size | 4 Mbit | - | - |
| Interface Type | Parallel | - | - |
| Organization | 256 k x 16 | - | - |
| Timing Type | Asynchronous | - | - |
| Data Bus Width | 16 bit | - | - |
| Supply Voltage Min | 1.65 V | - | - |
| Supply Voltage Max | 1.95 V | - | - |
| Supply Current Max | 15 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | - | - |
| Memory Type | NOR | - | - |
| Speed | 90 ns | - | - |
| Architecture | Sector | - | - |
| Brand | Microchip Technology | - | - |
| Product Type | NOR Flash | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Memory & Data Storage | - | - |