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| PartNumber | W634GG8MB12I | W634GG8MB11I | W634GG8MB11I TR |
| Description | DRAM 4G DDR3 SDRAM, x8, 800MHz, Industrial Temp | DRAM 4G DDR3 SDRAM, x8, 933MHz, Industrial Temp | DRAM 4G DDR3 SDRAM, x8, 933MHz, Industrial Temp, T&R |
| Manufacturer | Winbond | Winbond | Winbond |
| Product Category | DRAM | DRAM | DRAM |
| Type | SDRAM - DDR3 | SDRAM - DDR3 | SDRAM - DDR3 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Organization | 512 M x 8 | 512 M x 8 | 512 M x 8 |
| Package / Case | VFBGA-78 | VFBGA-78 | VFBGA-78 |
| Memory Size | 4 Gbit | 4 Gbit | 4 Gbit |
| Maximum Clock Frequency | 800 MHz | 933 MHz | 933 MHz |
| Supply Voltage Max | 1.575 V | 1.575 V | 1.575 V |
| Supply Voltage Min | 1.425 V | 1.425 V | 1.425 V |
| Supply Current Max | 405 mA | 454 mA | 454 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 95 C | + 95 C | + 95 C |
| Series | W634GG8MB | W634GG8MB | W634GG8MB |
| Packaging | Tray | Tray | Reel |
| Brand | Winbond | Winbond | Winbond |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | DRAM | DRAM | DRAM |
| Factory Pack Quantity | 220 | 220 | 2500 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |