| PartNumber | IS61QDPB41M18A-400M3L | IS61QDPB41M36A-400M3L | IS61QDPB41M36A-450B4I |
| Description | SRAM 18Mb 1Mx18 400Mhz QUADP Sync SRAM | SRAM 36Mb 1Mx36 400Mhz QUADP Sync SRAM | SRAM 36M, 1.8V, 450Mhz QUAD Sync SRAM |
| Manufacturer | ISSI | ISSI | ISSI |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | Y | - |
| Memory Size | 18 Mbit | 36 Mbit | 36 Mbit |
| Organization | 1 M x 18 | 1 M x 36 | 1 M x 36 |
| Maximum Clock Frequency | 400 MHz | 400 MHz | 450 MHz |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 1.9 V | 1.9 V | 1.89 V |
| Supply Voltage Min | 1.7 V | 1.7 V | 1.71 V |
| Supply Current Max | 1250 mA | 1300 mA | 1100 mA |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FBGA-165 | FBGA-165 | FBGA-165 |
| Packaging | Tray | Tray | Tray |
| Memory Type | QuadP | QuadP | QDR |
| Series | IS61QDPB41M18A | IS61QDPB41M36A | IS61QDPB41M36A |
| Brand | ISSI | ISSI | ISSI |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 105 | 105 | 105 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Access Time | - | - | 8.4 ns |
| Type | - | - | Synchronous |