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| PartNumber | 70V631S15BC | 70V631S15BF | 70V631S15BC8 |
| 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 |
| Memory Size | 4 Mbit | 4 Mbit | - |
| Organization | 256 k x 18 | 256 k x 18 | - |
| Access Time | 15 ns | 15 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 | 440 mA | 440 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | CABGA-256 | CABGA-208 | CABGA-256 |
| Packaging | Tray | Tray | Reel |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Length | 17 mm | 15 mm | 17 mm |
| Memory Type | SDR | SDR | - |
| Series | 70V631S15 | 70V631S15 | 70V631S15 |
| Type | Asynchronous | Asynchronous | - |
| Width | 17 mm | 15 mm | 17 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 6 | 7 | 1000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 70V631 IDT70V631S15BC | 70V631 IDT70V631S15BF | 70V631 IDT70V631S15BC8 |