| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74ALS253M | 3-STATE Dual 1-of-4 Line Data Selector/Multiplexer | 55K |
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| 2 | DM74ALS253M/A+ | 4-Input Digital Multiplexer | 92K |
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| 3 | DM74ALS253M/B+ | 4-Input Digital Multiplexer | 92K |
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| 4 | DM74ALS253MX | 4-Input Digital Multiplexer | 55K |
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