| PartNumber | IS49NLS18320-25B | IS49NLS18320-25BI | IS49NLS18320-25BL |
| Description | DRAM 576Mbit x18 Separate I/O 400MHz Leaded | DRAM 576Mbit x18 Separate I/O 400MHz Leaded IT | DRAM 576Mbit x18 Separate I/O 400Mhz RLDRAM2 |
| Manufacturer | ISSI | ISSI | ISSI |
| Product Category | DRAM | DRAM | DRAM |
| RoHS | N | N | Y |
| Type | RLDRAM2 | RLDRAM2 | RLDRAM2 |
| Data Bus Width | 18 bit | 18 bit | 18 bit |
| Organization | 32 M x 18 | 32 M x 18 | 32 M x 18 |
| Package / Case | BGA-144 | BGA-144 | BGA-144 |
| Memory Size | 576 Mbit | 576 Mbit | 576 Mbit |
| Maximum Clock Frequency | 400 MHz | 400 MHz | 400 MHz |
| Access Time | 2.5 ns | 2.5 ns | 2.5 ns |
| Supply Voltage Max | 1.9 V | 1.9 V | 2.63 V |
| Supply Voltage Min | 1.7 V | 1.7 V | 2.38 V |
| Supply Current Max | 408 mA | 408 mA | 408 mA |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Series | IS49NLS18320 | IS49NLS18320 | IS49NLS18320 |
| Packaging | Tray | Tray | Tray |
| Brand | ISSI | ISSI | ISSI |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
| Product Type | DRAM | DRAM | DRAM |
| Factory Pack Quantity | 104 | 104 | 104 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | RLDRAM2 | RLDRAM2 | RLDRAM2 |
| Unit Weight | 0.015757 oz | 0.015757 oz | 0.015757 oz |