| PartNumber | 70T659S12BFI8 | 70T659S15BC | 70T659S12DR |
| Description | SRAM 128K X36 STD-PWR 2.5V DUAL PORT RAM | SRAM 128K X36 STD-PWR 2.5V DUAL PORT RAM | SRAM 128K X36 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 |
| Memory Size | 4 Mbit | - | - |
| Organization | 128 k x 36 | - | - |
| Access Time | 12 ns | - | - |
| Interface Type | Parallel | - | - |
| Supply Voltage Max | 2.6 V | - | - |
| Supply Voltage Min | 2.4 V | - | - |
| Supply Current Max | 395 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | CABGA-208 | CABGA-256 | PQFP-208 |
| Packaging | Reel | Tray | Tray |
| Height | 1.4 mm | 1.4 mm | 3.5 mm |
| Length | 15 mm | 17 mm | 28 mm |
| Memory Type | SDR | - | - |
| Series | 70T653M | 70T653M | 70T653M |
| Type | Asynchronous | - | - |
| Width | 15 mm | 17 mm | 28 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 | 70T659 IDT70T659S12BFI8 | 70T659 IDT70T659S15BC | 70T659 IDT70T659S12DR |