| Part Number | W9712G6KB-25 TR | W971GG6KB-25 TR | 
|---|---|---|
| Manufacturer | Winbond Electronics | Winbond Electronics | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Not For New Designs | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | DRAM | DRAM | 
| Technology | SDRAM - DDR2 | SDRAM - DDR2 | 
| Memory Size | 128Mb (8M x 16) | 1Gb (64M x 16) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | 200 MHz | 200 MHz | 
| Write Cycle Time - Word, Page | 15ns | 15ns | 
| Access Time | 400 ps | 400 ps | 
| Voltage - Supply | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 
| Operating Temperature | 0°C ~ 85°C (TC) | 0°C ~ 85°C (TC) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 84-TFBGA | 84-TFBGA | 
| Supplier Device Package | 84-TFBGA (8x12.5) | 84-WBGA (8x12.5) |