| PartNumber | W631GU8KB-15 | W631GU8KB-12 TR | W631GU8KB-12 |
| Description | IC DRAM 1G PARALLEL 78WBGA | 1G DDR3L SDRAM, 1.35V, X8, 800 | IC DRAM 1G PARALLEL 78WBGA |
| Manufacturer | Winbond Electronics | Winbond Electronics | Winbond Electronics |
| Product Category | Memory | Memory | Memory |
| Series | - | - | - |
| Packaging | Tray Alternate Packaging | Tape & Reel (TR) Alternate Packaging | Tray Alternate Packaging |
| Package Case | 78-TFBGA | 78-TFBGA | 78-TFBGA |
| Operating Temperature | 0°C ~ 95°C (TC) | 0°C ~ 95°C (TC) | 0°C ~ 95°C (TC) |
| Interface | Parallel | Parallel | Parallel |
| Voltage Supply | 1.283 V ~ 1.45 V | 1.283 V ~ 1.45 V | 1.283 V ~ 1.45 V |
| Supplier Device Package | 78-WBGA (10.5x8) | 78-WBGA (10.5x8) | 78-WBGA (10.5x8) |
| Memory Size | 1G (128M x 8) | 1G (128M x 8) | 1G (128M x 8) |
| Memory Type | DDR3L SDRAM | DDR3L SDRAM | DDR3L SDRAM |
| Speed | 667MHz | 800MHz | 800MHz |
| Format Memory | RAM | RAM | RAM |