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| PartNumber | 70T631S12BCI8 | 70T631S12BCI | 70T631S12BF |
| 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) | IDT (Integrated Device Technology) |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | N | N | N |
| Package / Case | CABGA-256 | CABGA-256 | CABGA-208 |
| Packaging | Reel | Tray | Tray |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Length | 17 mm | 17 mm | 15 mm |
| Series | 70T631 | 70T631 | 70T631 |
| Width | 17 mm | 17 mm | 15 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 1000 | 6 | 7 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 70T631 IDT70T631S12BCI8 | 70T631 IDT70T631S12BCI | 70T631 IDT70T631S12BF |
| Memory Size | - | - | 4 Mbit |
| Organization | - | - | 256 k x 18 |
| Access Time | - | - | 12 ns |
| Interface Type | - | - | Parallel |
| Supply Voltage Max | - | - | 2.6 V |
| Supply Voltage Min | - | - | 2.4 V |
| Supply Current Max | - | - | 355 mA |
| Minimum Operating Temperature | - | - | 0 C |
| Maximum Operating Temperature | - | - | + 70 C |
| Mounting Style | - | - | SMD/SMT |
| Memory Type | - | - | SDR |
| Type | - | - | Asynchronous |