| Part Number | W978H2KBVX1E TR | W978H2KBVX2E TR |
|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics |
| Category | Memory | Memory |
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| Product Status | Not For New Designs | Not For New Designs |
| Memory Type | Volatile | Volatile |
| Memory Format | DRAM | DRAM |
| Technology | SDRAM - Mobile LPDDR2-S4B | SDRAM - Mobile LPDDR2-S4B |
| Memory Size | 256Mb (8M x 32) | 256Mb (8M x 32) |
| Memory Interface | HSUL_12 | HSUL_12 |
| Clock Frequency | 533 MHz | 400 MHz |
| Write Cycle Time - Word, Page | 15ns | 15ns |
| Access Time | 5.5 ns | 5.5 ns |
| Voltage - Supply | 1.14V ~ 1.3V, 1.7V ~ 1.95V | 1.14V ~ 1.3V, 1.7V ~ 1.95V |
| Operating Temperature | -25°C ~ 85°C (TC) | -25°C ~ 85°C (TC) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 134-VFBGA | 134-VFBGA |
| Supplier Device Package | 134-VFBGA (10x11.5) | 134-VFBGA (10x11.5) |