| Part Number | W631GG8NB-09 | W631GU8NB-09 | 
|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Active | Active | 
| Memory Type | Volatile | Volatile | 
| Memory Format | DRAM | DRAM | 
| Technology | SDRAM - DDR3 | SDRAM - DDR3L | 
| Memory Size | 1Gb (128M x 8) | 1Gb (128M x 8) | 
| Memory Interface | SSTL_15 | Parallel | 
| Clock Frequency | 1.066 GHz | 1.066 GHz | 
| Write Cycle Time - Word, Page | 15ns | 15ns | 
| Access Time | 20 ns | 20 ns | 
| Voltage - Supply | 1.425V ~ 1.575V | 1.283V ~ 1.45V, 1.425V ~ 1.575V | 
| Operating Temperature | 0°C ~ 95°C (TC) | 0°C ~ 95°C (TC) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 78-VFBGA | 78-VFBGA | 
| Supplier Device Package | 78-VFBGA (8x10.5) | 78-VFBGA (8x10.5) |