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| PartNumber | GS8161Z36DD-250I | GS8161Z36DD-250IV | GS8161Z36DD-250 |
| Description | SRAM 2.5 or 3.3V 512K x 36 18M | SRAM 1.8/2.5V 512K x 36 18M | SRAM 2.5 or 3.3V 512K x 36 18M |
| Manufacturer | GSI Technology | GSI Technology | GSI Technology |
| Product Category | SRAM | SRAM | SRAM |
| Packaging | Tray | Tray | Tray |
| Series | GS8161Z36DD | GS8161Z36DD | GS8161Z36DD |
| Brand | GSI Technology | GSI Technology | GSI Technology |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 36 | 18 | 36 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | NBT SRAM | NBT SRAM | NBT SRAM |
| Memory Size | - | 18 Mbit | 18 Mbit |
| Organization | - | 512 k x 36 | 512 k x 36 |
| Access Time | - | 5.5 ns | 5.5 ns |
| Maximum Clock Frequency | - | 250 MHz | 250 MHz |
| Interface Type | - | Parallel | Parallel |
| Supply Voltage Max | - | 2.7 V | 3.6 V |
| Supply Voltage Min | - | 1.7 V | 2.3 V |
| Supply Current Max | - | 245 mA, 265 mA | 230 mA, 250 mA |
| Minimum Operating Temperature | - | - 40 C | 0 C |
| Maximum Operating Temperature | - | + 85 C | + 70 C |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Package / Case | - | BGA-165 | BGA-165 |
| Memory Type | - | SDR | SDR |
| Type | - | NBT | NBT |
| RoHS | - | - | N |