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| PartNumber | AS7C256A-12TCN | AS7C256A-12TCNTR | AS7C256A-12TC |
| Description | SRAM 256K, 5V, 12ns, FAST 32K x 8 Asynch SRAM | SRAM 256K, 5V, 12ns, FAST 32K x 8 Asynch SRAM | 256K SRAM 32K x 8 5V 28pin TSOP 1 |
| Manufacturer | Alliance Memory | Alliance Memory | - |
| Product Category | SRAM | SRAM | - |
| RoHS | Y | Y | - |
| Memory Size | 256 kbit | 256 kbit | - |
| Organization | 32 k x 8 | 32 k x 8 | - |
| Access Time | 12 ns | 12 ns | - |
| Interface Type | Parallel | Parallel | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Current Max | 70 mA | 70 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSOP-28 | TSOP-28 | - |
| Packaging | Tray | Reel | - |
| Memory Type | SDR | SDR | - |
| Series | AS7C256A-12 | AS7C256A-12 | - |
| Type | Asynchronous | Asynchronous | - |
| Brand | Alliance Memory | Alliance Memory | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | SRAM | SRAM | - |
| Factory Pack Quantity | 234 | 1000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |