| PartNumber | CY7C1643KV18-400BZXC | CY7C1643KV18-400BZC | CY7C1643KV18-450BZC |
| Description | SRAM 144Mb 1.8V 400Mhz 8M x 18 QDR II SRAM | SRAM 144Mb 1.8V 400Mhz 8M x 18 QDR II SRAM | IC SRAM 144M PARALLEL 165FBGA |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | - |
| Product Category | SRAM | SRAM | - |
| RoHS | Y | N | - |
| Memory Size | 144 Mbit | 144 Mbit | - |
| Organization | 8 M x 18 | 8 M x 18 | - |
| Maximum Clock Frequency | 400 MHz | 400 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 | 860 mA | 860 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 | QDR | QDR | - |
| Series | CY7C1643KV18 | CY7C1643KV18 | - |
| 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 | - |