| Part Number | MT49H16M18CSJ-25 IT:B | MT49H16M18SJ-25 IT:B | 
|---|---|---|
| Manufacturer | Micron Technology Inc. | Micron Technology Inc. | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | DRAM | DRAM | 
| Technology | DRAM | DRAM | 
| Memory Size | 288Mb (16M x 18) | 288Mb (16M x 18) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | 400 MHz | 400 MHz | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | 20 ns | 20 ns | 
| Voltage - Supply | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 144-TFBGA | 144-TFBGA | 
| Supplier Device Package | 144-FBGA (18.5x11) | 144-FBGA (18.5x11) |