| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | HD74LS22 | Dual 4-input Positive NAND Gates(with Open Collector Ouputs) | 46K |
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| 2 | HD74LS22 | Ouadruple 2-input Positive NAND Gates | 7129K |
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| 3 | HD74LS221 | Dual Monostable Multivibrators | 91K |
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| 4 | HD74LS221 | Ouadruple 2-input Positive NAND Gates | 7129K |
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| 5 | HD74LS221 | Dual Monostable Multivibrators | 107K |
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| 6 | HD74LS221P | Monostable Multivibrator | 310K |
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| 7 | HD74LS221P | Dual Monostable Multivibrators | 107K |
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| 8 | HD74LS221RPEL | Dual Monostable Multivibrators | 107K |
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| 9 | HD74LS22P | Dual 4-input NAND Gate | 46K |
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