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| PartNumber | 71256S25DB | 71256S25TDB | 71256S20TP |
| Description | SRAM 256K(32KX8) SRAM | SRAM 256K(32KX8) SRAM | |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | - |
| Product Category | SRAM | SRAM | - |
| RoHS | N | N | - |
| Memory Size | 18 Mbit | 18 Mbit | - |
| Organization | 512 k x 36 | 512 k x 36 | - |
| Access Time | 10 ns | 10 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 | 810 mA | 810 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-256 | - |
| Packaging | Tray | Tray | - |
| Height | 1.4 mm | 1.4 mm | - |
| Length | 17 mm | 17 mm | - |
| Memory Type | SDR | SDR | - |
| Series | 70T653M | 70T653M | - |
| Type | Asynchronous | Asynchronous | - |
| Width | 17 mm | 17 mm | - |
| Brand | IDT | IDT | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | SRAM | SRAM | - |
| Factory Pack Quantity | 6 | 6 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Part # Aliases | 70T653M IDT70T653MS10BC | 70T653M IDT70T653MS10BC | - |