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| PartNumber | IS61QDB24M18A-300M3L | IS61QDB24M18A-300B4LI | IS61QDB24M18A-250B4LI |
| Description | SRAM 72Mb 4Mx18 300Mhz QUAD Sync SRAM | SRAM 72Mb 4Mx18 300Mhz QUAD Sync SRAM | SRAM 72Mb 250Mhz 4M x 18 Sync SRAM |
| Manufacturer | ISSI | ISSI | ISSI |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | Y | Y |
| Memory Size | 72 Mbit | 72 Mbit | 72 Mbit |
| Organization | 4 M x 18 | 4 M x 18 | 4 M x 18 |
| Maximum Clock Frequency | 300 MHz | 300 MHz | 250 MHz |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 1.9 V | 1.89 V | 1.89 V |
| Supply Voltage Min | 1.7 V | 1.71 V | 1.71 V |
| Supply Current Max | 1150 mA | 750 mA | 700 mA |
| Minimum Operating Temperature | 0 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 85 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 | Quad | QDR | QDR |
| Series | IS61QDB24M18A | IS61QDB24M18A | IS61QDB24M18A |
| Brand | ISSI | ISSI | ISSI |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 105 | 144 | 144 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Access Time | - | 8.4 ns | 8.4 ns |
| Type | - | Synchronous | Synchronous |