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| PartNumber | CYRS1542AV18-250GCMB | CYRS1543AV18-250GCMB | CYRS1544AV18-250GCMB |
| Description | SRAM 72Mb 1.8V 250Mhz 4M x 18 QDR II SRAM | SRAM 72Mb 1.8V 250Mhz 4M x 18 QDR II SRAM | SRAM 72Mb 1.8V 250Mhz 2M x 36 QDR II SRAM |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | N | N | N |
| Memory Size | 72 Mbit | 72 Mbit | 72 Mbit |
| Organization | 4 M x 18 | 4 M x 18 | 4 M x 18 |
| Access Time | 0.45 ns | 0.45 ns | 0.45 ns |
| Maximum Clock Frequency | 450 MHz | 450 MHz | 450 MHz |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 1.9 V | 1.9 V | 1.9 V |
| Supply Voltage Min | 1.7 V | 1.7 V | 1.7 V |
| Supply Current Max | 780 mA | 780 mA | 780 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 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 |
| Data Rate | QDR-II | QDR-II | QDR-II |
| Memory Type | QDR | QDR | QDR |
| Series | CY7C1543KV18 | CY7C1543KV18 | CY7C1543KV18 |
| Type | Synchronous | Synchronous | Synchronous |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Number of Ports | 2 | 2 | 2 |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 136 | 136 | 136 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |