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| PartNumber | 71256L20YG | 71256L100DB | 71256L100TDB |
| Description | SRAM 32Kx8 ASYNCHRONOUS 5.0V STATIC RAM | SRAM 32Kx8 ASYNCHRONOUS 5.0V STATIC RAM | SRAM 256K(32KX8) SRAM |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | N | N |
| Memory Size | 256 kbit | 4 Mbit | 18 Mbit |
| Organization | 32 k x 8 | 128 k x 36 | 512 k x 36 |
| Access Time | 20 ns | 12 ns | 10 ns |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 5.5 V | 3.45 V | 2.6 V |
| Supply Voltage Min | 4.5 V | 3.15 V | 2.4 V |
| Supply Current Max | 135 mA | 465 mA | 810 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOJ-28 | CABGA-208 | CABGA-256 |
| Packaging | Tube | Tray | Tray |
| Height | 2.67 mm | 1.4 mm | 1.4 mm |
| Length | 17.9 mm | 15 mm | 17 mm |
| Memory Type | SDR | SDR | SDR |
| Series | 71256 | 70V659 | 70T653M |
| Type | Asynchronous | Asynchronous | Asynchronous |
| Width | 7.6 mm | 15 mm | 17 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 27 | 7 | 6 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 71256 IDT71256L20YG | 70V659 IDT70V659S12BF | 70T653M IDT70T653MS10BC |