| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | 54LS20 | Dual 4-Input NAND Gates | 127K |
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| 2 | 54LS20/B2C | Dual 4-input NAND Gate | 95K |
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| 3 | 54LS20DM | Dual 4-input NAND Gate | 130K |
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| 4 | 54LS20DMQB | Dual 4-Input NAND Gates | 127K |
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| 5 | 54LS20FMQB | Dual 4-Input NAND Gates | 127K |
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| 6 | 54LS20LMQB | Dual 4-Input NAND Gates | 127K |
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