| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SN74S140D | DUAL 4-INPUT POSITIVE-NAND 50-OHM LINE DRIVERS | 518K |
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| 2 | SN74S140DE4 | DUAL 4-INPUT POSITIVE-NAND 50-OHM LINE DRIVERS | 518K |
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| 3 | SN74S140DR | DUAL 4-INPUT POSITIVE-NAND 50-OHM LINE DRIVERS | 518K |
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| 4 | SN74S140DRE4 | DUAL 4-INPUT POSITIVE-NAND 50-OHM LINE DRIVERS | 518K |
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