| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | SN74ALS521DWR | 8-BIT IDENTITY COMPARATORS | 479K |
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| 2 | SN74ALS521DWR | 8-BIT IDENTITY COMPARATORS | 469K |
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| 3 | SN74ALS521DWRE4 | 8-BIT IDENTITY COMPARATORS | 479K |
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| 4 | SN74ALS521DWRE4 | 8-BIT IDENTITY COMPARATORS | 469K |
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