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| PartNumber | GS8673ED18BK-550IS | GS8673ED18BK-550I | GS8673ED18BK-550 |
| Description | SRAM 1.2/1.5V 4M x 18 72M | SRAM 1.2/1.5V 4M x 18 72M | SRAM 1.2/1.5V 4M x 18 72M |
| Manufacturer | GSI Technology | GSI Technology | GSI Technology |
| Product Category | SRAM | SRAM | SRAM |
| Memory Size | 72 Mbit | 72 Mbit | 72 Mbit |
| Organization | 4 M x 18 | 4 M x 18 | 4 M x 18 |
| Maximum Clock Frequency | 550 MHz | 550 MHz | 550 MHz |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 1.4 V | 1.4 V | 1.4 V |
| Supply Voltage Min | 1.3 V | 1.25 V | 1.25 V |
| Supply Current Max | 1.93 A | 1.93 A | 1.93 A |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 100 C | + 100 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | BGA-260 | BGA-260 | BGA-260 |
| Packaging | Tray | Tray | Tray |
| Memory Type | QDR-III | QDR-III | QDR-III |
| Series | GS8673ED18BK | GS8673ED18BK | GS8673ED18BK |
| Type | SigmaQuad-IIIe B4 | SigmaQuad-IIIe B4 | SigmaQuad-IIIe B4 |
| Brand | GSI Technology | GSI Technology | GSI Technology |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 8 | 8 | 8 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | SigmaSIO DDR-II | SigmaSIO DDR-II | SigmaSIO DDR-II |
| RoHS | - | - | N |