| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | PI74FCT251T | Fast CMOS 8-Input Multiplexer | 53K |
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| 2 | PI74FCT251TQ | 8-Input Digital Multiplexer | 249K |
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| 3 | PI74FCT251TS | 8-Input Digital Multiplexer | 249K |
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| 4 | PI74FCT251TW | 8-Input Digital Multiplexer | 249K |
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