| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 54F20 | Dual 4-Input NAND Gate | 143K |
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| 2 | 54F20 | Dual 4-Input NAND Gate | 143K |
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| 3 | 54F20/B2A | Dual 4-input NAND Gate | 615K |
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| 4 | 54F20/B2C | Dual 4-input NAND Gate | 615K |
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| 5 | 54F20/BCA | Dual 4-input NAND Gate | 615K |
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| 6 | 54F20/BDA | Dual 4-input NAND Gate | 615K |
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| 7 | 54F20DC | LOGIC GATE|DUAL 4-INPUT NAND|F-TTL|DIP|14PIN|CERAMIC | 15K |
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| 8 | 54F20DM | Dual 4-Input NAND Gate | 143K |
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| 9 | 54F20DMQB | Dual 4-input NAND Gate | 75K |
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| 10 | 54F20FM | Dual 4-Input NAND Gate | 143K |
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| 11 | 54F20FMQB | Dual 4-input NAND Gate | 75K |
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| 12 | 54F20LM | Dual 4-Input NAND Gate | 143K |
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| 13 | 54F20LMQB | Dual 4-input NAND Gate | 75K |
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