| Part Number | MT28F640J3RG-115 GMET | MT28F640J3RG-115 XMET | 
|---|---|---|
| Manufacturer | Micron Technology Inc. | Micron Technology Inc. | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | Flash | Flash | 
| Technology | Flash | Flash | 
| Memory Size | 64Mb (8M x 8, 4M x 16) | 64Mb (8M x 8, 4M x 16) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | 115 ns | 115 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 I | 56-TSOP I |