| PartNumber | IS61VVPS204818B-166B3LI | IS61VVF409618B-7.5TQL | IS61VVF409618B-7.5TQL-TR |
| Description | SRAM 36Mb 2.5V 166MHz 2M x 18 Sync SRAM | SRAM 72Mb ,1.8V 7.5ns 4M x 18 Sync SRAM | SRAM 72Mb 1.8V 7.5ns 4M x 18 Sync SRAM |
| Manufacturer | ISSI | ISSI | ISSI |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | Y | Y |
| Memory Size | 36 Mbit | 72 Mbit | 72 Mbit |
| Organization | 2 M x 18 | 4 M x 18 | 4 M x 18 |
| Access Time | 3.8 ns | 7.5 ns | 7.5 ns |
| Maximum Clock Frequency | 166 MHz | 117 MHz | 117 MHz |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Supply Current Max | 350 mA | 300 mA | 300 mA |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FBGA-165 | TQFP-100 | TQFP-100 |
| Packaging | Tray | Tray | Reel |
| Memory Type | SDR | SDR | SDR |
| Series | IS61VVPS204818B | IS61VVF409618B | IS61VVF409618B |
| Type | Synchronous | Synchronous | Synchronous |
| Brand | ISSI | ISSI | ISSI |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 144 | 72 | 800 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | 0.023175 oz | 0.023175 oz |