| PartNumber | IS61C256AL-12TLI | IS61C256AL-12JLI | IS61C256AL-12JLI-TR |
| Description | SRAM 256K 32Kx8 12ns Async SRAM | SRAM 256K 32Kx8 12ns Async SRAM | SRAM 256K 32Kx8 12ns Async SRAM |
| Manufacturer | ISSI | ISSI | ISSI |
| 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 |
| Maximum Clock Frequency | 83 MHz | 83 MHz | - |
| 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 | 0.45 mA | 0.45 mA | 25 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 | TSOP-28 | SOJ-28 | SOJ-28 |
| Packaging | Tube | Tube | Reel |
| Data Rate | SDR | SDR | SDR |
| Series | IS61C256AL | IS61C256AL | IS61C256AL |
| Type | Asynchronous | Asynchronous | Asynchronous |
| Brand | ISSI | ISSI | ISSI |
| Number of Ports | 1 | 1 | 1 |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | SRAM | SRAM | SRAM |
| Factory Pack Quantity | 234 | 25 | 1000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.008042 oz | 0.112700 oz | 0.031323 oz |