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| PartNumber | AT27C512R-15RC | AT27C512R-15RA | AT27C512R-15RI |
| Description | IC EPROM 512K PARALLEL 28SOIC | IC EPROM 512K PARALLEL 32PLCC | IC EPROM 512K PARALLEL 28SOIC |
| Manufacturer | Atmel | - | - |
| Product Category | Memory | - | - |
| Series | - | - | - |
| Packaging | Tube | - | - |
| Package Case | 28-SOIC (0.342", 8.69mm Width) | - | - |
| Operating Temperature | 0°C ~ 70°C (TC) | - | - |
| Interface | Parallel | - | - |
| Voltage Supply | 4.5 V ~ 5.5 V | - | - |
| Supplier Device Package | 28-SOIC W | - | - |
| Memory Size | 512K (64K x 8) | - | - |
| Memory Type | EPROM OTP | - | - |
| Speed | 150ns | - | - |
| Format Memory | EPROMs | - | - |