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| PartNumber | SST39LF020-55-4I-NHE | SST39LF020-55-4I-MME | SST39LF020-55-4I-B3KE |
| Description | NOR Flash 3.0 to 3.6V 2Mbit Multi-Purpose Flash | NOR Flash 3.0 to 3.6V 2Mbit Multi-Purpose Flash | NOR Flash 3.0 to 3.6V 2Mbit Multi-Purpose Flash |
| 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 | WFBGA-34 | TFBGA-48 |
| Series | SST39LF | SST39LF | SST39LF |
| Memory Size | 2 Mbit | 2 Mbit | 2 Mbit |
| Interface Type | Parallel | Parallel | Parallel |
| Organization | 256 k x 8 | 256 k x 8 | 256 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 | 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 | Tube | Tray | Tray |
| Memory Type | NOR | NOR | NOR |
| Speed | 55 ns | 55 ns | 55 ns |
| Architecture | Sector | Sector | Sector |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Factory Pack Quantity | 30 | 740 | 480 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |