| PartNumber | 70V631S12BC8 | 70V631S12BC | 70V631S12BCI |
| Description | SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM | SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM | SRAM 256Kx18 STD-PWR 3.3V 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-256 |
| Packaging | Reel | Tray | Tray |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Length | 17 mm | 17 mm | 17 mm |
| Series | 70V631S12 | 70V631S12 | 70V631S12 |
| Width | 17 mm | 17 mm | 17 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 1000 | 6 | 6 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 70V631 IDT70V631S12BC8 | 70V631 IDT70V631S12BC | 70V631 IDT70V631S12BCI |
| 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 | - | 3.45 V | 3.45 V |
| Supply Voltage Min | - | 3.15 V | 3.15 V |
| Supply Current Max | - | 465 mA | 515 mA |
| Minimum Operating Temperature | - | 0 C | - 40 C |
| Maximum Operating Temperature | - | + 70 C | + 85 C |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Memory Type | - | SDR | SDR |
| Type | - | Asynchronous | Asynchronous |