| Parameter Name | Attribute value |
| Package/casing | 28-DIP(0.300",7.62mm) |
| Operating temperature | -40°C ~ 85°C(TA) |
| technology | SRAM - Asynchronous |
| memory format | SRAM |
| Supplier device packaging | 28-PDIP |
| storage | 256Kb(32K x 8) |
| Write cycle time - words, pages | 15ns |
| memory type | Volatile |
| memory interface | in parallel |
| interview time | 15ns |
| Voltage - power supply | 4.5V ~ 5.5V |