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| PartNumber | M27C512-90C1 | M27C512-90C1K | M27C512-90C1TR |
| Description | EPROM 512K (64Kx8) 90ns | IC EPROM 512K PARALLEL 32PLCC | |
| Manufacturer | STMicroelectronics | - | STMicroelectronics |
| Product Category | EPROM | - | Memory |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-32 | - | - |
| Type | OTP, UV | - | - |
| Memory Size | 512 kB | - | 512K (64K x 8) |
| Organization | 64 k x 8 | - | - |
| Interface Type | Parallel | - | - |
| Operating Supply Current | 50 mA | - | - |
| Programming Voltage | 12.75 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Series | M27C512-90 | - | - |
| Packaging | Tube | - | Tape & Reel (TR) |
| Access Time | 90 ns | - | - |
| Brand | STMicroelectronics | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Output Enable Access Time | 40 ns | - | - |
| Product Type | EPROM | - | - |
| Factory Pack Quantity | 32 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Package Case | - | - | 32-LCC (J-Lead) |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Interface | - | - | Parallel |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 32-PLCC (11.35x13.89) |
| Memory Type | - | - | EPROM OTP |
| Speed | - | - | 90ns |
| Format Memory | - | - | EPROMs |