| Part Number | JS28F256J3F105B TR | JS28F256J3F1058 TR | 
|---|---|---|
| Manufacturer | Micron Technology Inc. | Micron Technology Inc. | 
| Category | Memory | Memory | 
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| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | Flash | Flash | 
| Technology | FLASH - NOR | FLASH - NOR | 
| Memory Size | 256Mb (32M x 8, 16M x 16) | 256Mb (32M x 8, 16M x 16) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | 105ns | 105ns | 
| Access Time | 105 ns | 105 ns | 
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 56-TFSOP (0.724", 18.40mm Width) | 56-TFSOP (0.724", 18.40mm Width) | 
| Supplier Device Package | 56-TSOP | 56-TSOP |