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| Part Number | W971GG8NB25I TR | W971GG8SB25I TR | W971GG6NB25I TR | W971GG8KB25I TR |
|---|---|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | Winbond Electronics | Winbond Electronics |
| Product Status | Active | Obsolete | Active | Obsolete |
| Memory Type | Volatile | Volatile | Volatile | Volatile |
| Memory Format | DRAM | DRAM | DRAM | DRAM |
| Technology | SDRAM - DDR2 | SDRAM - DDR2 | SDRAM - DDR2 | SDRAM - DDR2 |
| Memory Size | 1Gb (128M x 8) | 1Gb (128M x 8) | 1Gb (64M x 16) | 1Gb (128M x 8) |
| Memory Interface | SSTL_18 | Parallel | SSTL_18 | Parallel |
| Clock Frequency | 400 MHz | 200 MHz | 800 MHz | 200 MHz |
| Write Cycle Time - Word, Page | 15ns | 15ns | 15ns | 15ns |
| Access Time | 400 ps | 400 ps | 400 ps | 400 ps |
| Voltage - Supply | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V |
| Operating Temperature | -40°C ~ 95°C (TC) | -40°C ~ 95°C (TC) | -40°C ~ 95°C (TC) | -40°C ~ 95°C (TC) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 60-VFBGA | 60-TFBGA | 84-TFBGA | 60-TFBGA |
| Supplier Device Package | 60-VFBGA (8x9.5) | 60-WBGA (8x12.5) | 84-TFBGA (8x12.5) | 60-WBGA (8x12.5) |
