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| PartNumber | M27C512-90B6 | M27C512-90B6L | M27C512-90B1 |
| Description | EPROM 512K (64Kx8) 90ns | IC EPROM 512K PARALLEL 28DIP | |
| Manufacturer | STMicroelectronics | - | - |
| Product Category | EPROM | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-28 | - | - |
| Type | OTP, UV | - | - |
| Memory Size | 512 kB | - | - |
| 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 | + 85 C | - | - |
| Series | M27C512-90 | - | - |
| Packaging | Tube | - | - |
| Access Time | 90 ns | - | - |
| Brand | STMicroelectronics | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Output Enable Access Time | 40 ns | - | - |
| Product Type | EPROM | - | - |
| Factory Pack Quantity | 13 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.147798 oz | - | - |