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| PartNumber | CY7C1668KV18-450BZXC | CY7C1668KV18-550BZXC | CY7C1668KV18-450BZXCES |
| Description | SRAM 144MB (8Mx18) DDR II 1.8V, 450MHz | SRAM 144Mb 1.8V 550Mhz 8M x 18 DDR II SRAM | |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | - |
| Product Category | SRAM | SRAM | - |
| RoHS | Y | Y | - |
| Memory Size | 144 Mbit | 144 Mbit | - |
| Organization | 8 M x 18 | 8 M x 18 | - |
| Access Time | 0.45 ns | 0.45 ns | - |
| Maximum Clock Frequency | 450 MHz | 550 MHz | - |
| Interface Type | Parallel | Parallel | - |
| Supply Voltage Max | 1.9 V | 1.9 V | - |
| Supply Voltage Min | 1.7 V | 1.7 V | - |
| Supply Current Max | 790 mA | 910 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | FBGA-165 | FBGA-165 | - |
| Packaging | Tray | Tray | - |
| Memory Type | DDR | DDR | - |
| Series | CY7C1668KV18 | CY7C1668KV18 | - |
| Type | Synchronous | Synchronous | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | SRAM | SRAM | - |
| Factory Pack Quantity | 105 | 105 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |