| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74S253 | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer | 50K |
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| 2 | DM74S253J/A+ | 4-Input Digital Multiplexer | 93K |
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| 3 | DM74S253N | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer | 50K |
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| 4 | DM74S253N/A+ | 4-Input Digital Multiplexer | 93K |
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| 5 | DM74S253N/B+ | 4-Input Digital Multiplexer | 93K |
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