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| PartNumber | AS7C256A-12JCN | AS7C256A-12JCNTR | AS7C256A-12JIN |
| Description | SRAM 256K, 5V, 12ns, FAST 32K x 8 Asynch SRAM | SRAM 256K, 5V, 12ns, FAST 32K x 8 Asynch SRAM | SRAM 256K, 5V, 12ns, FAST 32K x 8 Asynch SRAM |
| Manufacturer | Alliance Memory | Alliance Memory | Alliance Memory |
| Product Category | SRAM | SRAM | SRAM |
| RoHS | Y | Y | Y |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Access Time | 12 ns | 12 ns | 12 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 | 70 mA | 70 mA | 70 mA |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOJ-28 | SOJ-28 | SOJ-28 |
| Packaging | Tube | Reel | Tube |
| Memory Type | SDR | SDR | SDR |
| Series | AS7C256A-12 | AS7C256A-12 | AS7C256A-12 |
| Type | Asynchronous | Asynchronous | Asynchronous |
| Brand | Alliance Memory | Alliance Memory | Alliance Memory |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 25 | 1000 | 25 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | - | - | 0.049419 oz |