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| PartNumber | 70V639S12BFGI | 70V639S12BF8 | 70V639S12BF |
| Description | SRAM 128Kx18 STD-PWR 3.3V DUAL-PORT RAM | SRAM 128Kx18 STD-PWR 3.3V DUAL-PORT RAM | SRAM 128Kx18 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 | Y | N | N |
| Memory Size | 2 Mbit | - | 2 Mbit |
| Organization | 128 k x 18 | - | 128 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 | 515 mA | - | 465 mA |
| Minimum Operating Temperature | - 40 C | - | 0 C |
| Maximum Operating Temperature | + 85 C | - | + 70 C |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | CABGA-208 | CABGA-208 | CABGA-208 |
| Packaging | Tray | Reel | Tray |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Length | 15 mm | 15 mm | 15 mm |
| Memory Type | SDR | - | SDR |
| Series | 70V639 | 70V639 | 70V639 |
| Type | Asynchronous | - | Asynchronous |
| Width | 15 mm | 15 mm | 15 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 7 | 1000 | 7 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 70V639 IDT70V639S12BFGI | 70V639 IDT70V639S12BF8 | 70V639 IDT70V639S12BF |