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| Part Number | MT28F400B3SG-8 BET | MT28F400B3SG-8 TET | MT28F400B3WG-8 BET | MT28F400B5SG-8 BET |
|---|---|---|---|---|
| Manufacturer | Micron Technology Inc. | Micron Technology Inc. | Micron Technology Inc. | Micron Technology Inc. |
| 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) | 4Mb (512K x 8, 256K x 16) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 80ns | 80ns | 80ns | 80ns |
| Access Time | 80 ns | 80 ns | 80 ns | 80 ns |
| Voltage - Supply | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 44-SOIC (0.496", 12.60mm Width) | 44-SOIC (0.496", 12.60mm Width) | 48-TFSOP (0.724", 18.40mm Width) | 44-SOIC (0.496", 12.60mm Width) |
| Supplier Device Package | 44-SOP | 44-SOP | 48-TSOP I | 44-SOP |
