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| PartNumber | W631GU8KB11I | W631GU8KB12I | W631GU8KB12I TR |
| Description | IC SDRAM 1GBIT 78BGA | IC DRAM 1G PARALLEL 78WBGA | IC DRAM 1G PARALLEL 78WBGA |
| Manufacturer | - | Winbond Electronics | Winbond Electronics |
| Product Category | - | Memory | Memory |
| Series | - | - | - |
| Packaging | - | Tray Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Package Case | - | 78-TFBGA | 78-TFBGA |
| Operating Temperature | - | -40°C ~ 95°C (TC) | -40°C ~ 95°C (TC) |
| Interface | - | Parallel | Parallel |
| Voltage Supply | - | 1.283 V ~ 1.45 V | 1.283 V ~ 1.45 V |
| Supplier Device Package | - | 78-WBGA (10.5x8) | 78-WBGA (10.5x8) |
| Memory Size | - | 1G (128M x 8) | 1G (128M x 8) |
| Memory Type | - | DDR3L SDRAM | DDR3L SDRAM |
| Speed | - | 800MHz | 800MHz |
| Format Memory | - | RAM | RAM |