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| PartNumber | 70T631S12BF | 70T631S12BF8 | 70T631S12BFI |
| Description | SRAM 256K X 18 STD-PWR 2.5V DUAL PORT RAM | SRAM 256K X 18 STD-PWR 2.5V DUAL PORT RAM | SRAM 256K X 18 STD-PWR 2.5V DUAL PORT RAM |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | - |
| Product Category | SRAM | SRAM | - |
| RoHS | N | N | - |
| Memory Size | 4 Mbit | 4 Mbit | - |
| Organization | 256 k x 18 | 256 k x 18 | - |
| Access Time | 12 ns | 12 ns | - |
| Interface Type | Parallel | Parallel | - |
| Supply Voltage Max | 2.6 V | 2.6 V | - |
| Supply Voltage Min | 2.4 V | 2.4 V | - |
| Supply Current Max | 355 mA | 355 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | CABGA-208 | CABGA-208 | - |
| Packaging | Tray | Reel | - |
| Height | 1.4 mm | 1.4 mm | - |
| Length | 15 mm | 15 mm | - |
| Memory Type | SDR | SDR | - |
| Series | 70T631 | 70T631 | - |
| Type | Asynchronous | Asynchronous | - |
| Width | 15 mm | 15 mm | - |
| Brand | IDT | IDT | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | SRAM | SRAM | - |
| Factory Pack Quantity | 7 | 1000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Part # Aliases | 70T631 IDT70T631S12BF | 70T631 IDT70T631S12BF8 | - |