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| PartNumber | M29W400DT55N6 | M29W400DT55N6E | M29W400DT55N6E TSOP48 |
| Description | NOR Flash 512Kx8 or 256Kx16 55 | IC FLASH 4M PARALLEL 48TSOP | |
| Manufacturer | STMicroelectronics | Micron Technology Inc. | - |
| Product Category | NOR Flash | IC Chips | - |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSOP-48 | - | - |
| Series | M29W | - | - |
| Memory Size | 4 Mbit | 4M (512K x 8, 256K x 16) | - |
| Interface Type | Parallel | - | - |
| Organization | 512 k x 8, 256 k x 16 | - | - |
| Timing Type | Asynchronous | - | - |
| Data Bus Width | 8 bit, 16 bit | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Current Max | 10 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Tray Alternate Packaging | - |
| Memory Type | NOR | FLASH - NOR | - |
| Speed | 55 ns | 55ns | - |
| Architecture | Block Erase | - | - |
| Brand | STMicroelectronics | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | NOR Flash | - | - |
| Standard | Not Supported | - | - |
| Factory Pack Quantity | 96 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Package Case | - | 48-TFSOP (0.724", 18.40mm Width) | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Interface | - | Parallel | - |
| Voltage Supply | - | 2.7 V ~ 3.6 V | - |
| Supplier Device Package | - | 48-TSOP | - |
| Format Memory | - | FLASH | - |