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| PartNumber | CYRS1049DV33-1X18M | CYRS1049DV33-12FZMB | CYRS1542AV18-250GCMB |
| Description | SRAM Async SRAMS | SRAM 4Mb 3.3V 12ns 512K x 8 SRAM | SRAM 72Mb 1.8V 250Mhz 4M x 18 QDR II SRAM |
| Manufacturer | GSI Technology | - | Cypress Semiconductor |
| Product Category | SRAM | - | SRAM |
| RoHS | N | - | N |
| Packaging | Tray | - | Tray |
| Series | GS81284Z36B | - | CY7C1543KV18 |
| Brand | GSI Technology | - | Cypress Semiconductor |
| Moisture Sensitive | Yes | - | Yes |
| Product Type | SRAM | - | SRAM |
| Factory Pack Quantity | 10 | - | 136 |
| Subcategory | Memory & Data Storage | - | Memory & Data Storage |
| Tradename | NBT SRAM | - | - |
| Memory Size | - | - | 72 Mbit |
| Organization | - | - | 4 M x 18 |
| Access Time | - | - | 0.45 ns |
| Maximum Clock Frequency | - | - | 450 MHz |
| Interface Type | - | - | Parallel |
| Supply Voltage Max | - | - | 1.9 V |
| Supply Voltage Min | - | - | 1.7 V |
| Supply Current Max | - | - | 780 mA |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 85 C |
| Mounting Style | - | - | SMD/SMT |
| Package / Case | - | - | FBGA-165 |
| Data Rate | - | - | QDR-II |
| Memory Type | - | - | QDR |
| Type | - | - | Synchronous |
| Number of Ports | - | - | 2 |