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| PartNumber | W978H2KBVX1E | W978H2KBQX2E | W978H2KBQX2I |
| Description | DRAM 256Mb LPDDR2, x32, 533MHz, -25 ~ 85C | IC DRAM 256M PARALLEL 168WFBGA | IC DRAM 256M PARALLEL 168WFBGA |
| Manufacturer | Winbond | Winbond Electronics | Winbond Electronics |
| Product Category | DRAM | Memory | Memory |
| RoHS | Y | - | - |
| Type | SDRAM - LPDDR2 | - | - |
| Data Bus Width | 32 bit | - | - |
| Organization | 8 M x 32 | - | - |
| Package / Case | VFBGA-134 | - | - |
| Memory Size | 256 Mbit | 256M (8M x 32) | 256M (8M x 32) |
| Maximum Clock Frequency | 533 MHz | - | - |
| Supply Voltage Max | 1.95 V | - | - |
| Supply Voltage Min | 1.7 V | - | - |
| Supply Current Max | 22.5 mA | - | - |
| Minimum Operating Temperature | - 25 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Series | W978H2KB | - | - |
| Packaging | Tray | Tray | Tray |
| Brand | Winbond | - | - |
| Mounting Style | SMD/SMT | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | DRAM | - | - |
| Factory Pack Quantity | 168 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Package Case | - | 168-WFBGA | 168-WFBGA |
| Operating Temperature | - | -25°C ~ 85°C (TC) | -40°C ~ 85°C (TA) |
| Interface | - | Parallel | Parallel |
| Voltage Supply | - | 1.14 V ~ 1.95 V | 1.14 V ~ 1.95 V |
| Supplier Device Package | - | 168-WFBGA (12x12) | 168-WFBGA (12x12) |
| Memory Type | - | Mobile LPDDR2 SDRAM | Mobile LPDDR2 SDRAM |
| Speed | - | 400MHz | 400MHz |
| Format Memory | - | RAM | RAM |