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| Part Number | M29W400BB90N1 | M29W400BB90N6 | M29W400BT90N1 | M29W200BB90N1 |
|---|---|---|---|---|
| Manufacturer | Micron Technology Inc. | Micron Technology Inc. | Micron Technology Inc. | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash | Flash | Flash |
| Technology | FLASH - NOR | FLASH - NOR | FLASH - NOR | FLASH - NOR |
| Memory Size | 4Mb (512K x 8, 256K x 16) | 4Mb (512K x 8, 256K x 16) | 4Mb (512K x 8, 256K x 16) | 2Mb (256K x 8, 128K x 16) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 90ns | 90ns | 90ns | 90ns |
| Access Time | 90 ns | 90 ns | 90 ns | 90 ns |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-TFSOP (0.724", 18.40mm Width) | 48-TFSOP (0.724", 18.40mm Width) | 48-TFSOP (0.724", 18.40mm Width) | 48-TFSOP (0.724", 18.40mm Width) |
| Supplier Device Package | 48-TSOP | 48-TSOP | 48-TSOP | 48-TSOP |
