| Packaging | Tube | |
| Format - Memory | EPROMs | |
| Memory Type | EPROM OTP | |
| Memory Size | 256K (32K x 8) | |
| Speed | 120ns | |
| Interface | Parallel | |
| Voltage - Supply | 4.5 V ~ 5.5 V | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 28-DIP (0.600", 15.24mm) | |
| Supplier Device Package | 28-PDIP | |
| Other Names | AT27C256R12PI | |
| call me | [email protected] | |

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