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| PartNumber | AS7C4098A-20TIN | AS7C4098A-20TCN | AS7C4098A-20TCNTR |
| Description | SRAM 4M, 5V, 20ns, FAST 256K x 16 Asyn SRAM | SRAM 4M, 5V, 20ns, FAST 256K x 16 Asyn SRAM | SRAM 4M, 5V, 20ns, FAST 256K x 16 Asyn SRAM |
| Manufacturer | Alliance Memory | Alliance Memory | Alliance Memory |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | Y | Y |
| Memory Size | 4 Mbit | 4 Mbit | 4 Mbit |
| Organization | 256 k x 16 | 256 k x 16 | 256 k x 16 |
| Access Time | 20 ns | 20 ns | 20 ns |
| Interface Type | Parallel | Parallel | Parallel |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Current Max | 120 mA | 120 mA | 120 mA |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSOP II-44 | TSOP II-44 | TSOP II-44 |
| Packaging | Tray | Tray | Reel |
| Memory Type | SDR | SDR | SDR |
| Series | AS7C4098A-20 | AS7C4098A-20 | AS7C4098A-20 |
| Type | Asynchronous | Asynchronous | Asynchronous |
| Brand | Alliance Memory | Alliance Memory | Alliance Memory |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 135 | 135 | 1000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |