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See Product Specifications
| Part Number: | AT29C257-70JI |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Memory |
| Manufacturer: | Microchip Technology |
| Packaging: | Tube |
| Product Status: | Obsolete |
| Memory Type: | Non-Volatile |
| Memory Format: | FLASH |
| Technology: | FLASH |
| Memory Size: | 256Kb (32K x 8) |
| Memory Interface: | Parallel |
| Clock Frequency: | - |
| Write Cycle Time - Word, Page: | 10ms |
| Access Time: | 70 ns |
| Voltage - Supply: | 4.5V ~ 5.5V |
| Operating Temperature: | -40°C ~ 85°C (TC) |
| Mounting Type: | Surface Mount |
| Package / Case: | 32-LCC (J-Lead) |
| Supplier Device Package: | 32-PLCC (13.97x11.43) |
