| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74F399 | QUAD 2-PORT REGISTER FAST SCHOTTKY TTL | 70K |
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| 2 | MC74F399D | QUAD 2-PORT REGISTER | 66K |
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| 3 | MC74F399DWR2 | 2-Input Digital Multiplexer | 82K |
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| 4 | MC74F399J | 2-Input Digital Multiplexer | 82K |
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| 5 | MC74F399JD | 2-Input Digital Multiplexer | 82K |
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| 6 | MC74F399N | QUAD 2-PORT REGISTER | 66K |
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| 7 | MC74F399ND | 2-Input Digital Multiplexer | 82K |
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