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| PartNumber | AT27C520-90 | AT27C520-90S | AT27C520-90SC |
| Description | IC EPROM 512K PARALLEL 20SOIC | ||
| Manufacturer | - | - | ATMEL |
| Product Category | - | - | IC Chips |
| Series | - | - | - |
| Packaging | - | - | Tube |
| Part Status | - | - | Obsolete |
| Memory Type | - | - | Non-Volatile |
| Memory Format | - | - | EPROM |
| Technology | - | - | EPROM - OTP |
| Memory Size | - | - | 512Kb (64K x 8) |
| Write Cycle Time Word, Page | - | - | - |
| Access Time | - | - | 90ns |
| Memory Interface | - | - | Parallel |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Operating Temperature | - | - | 0°C ~ 70°C (TC) |
| Mounting Type | - | - | Surface Mount |
| Package / Case | - | - | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | - | - | 20-SOIC |
| Base Part Number | - | - | AT27C520 |