| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74HC161 | Presettable synchronous 4-bit binary counter; asynchronous reset | 85K |
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| 2 | 74HC161D | Presettable synchronous 4-bit binary counter; asynchronous reset | 85K |
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| 3 | 74HC161DB | Presettable synchronous 4-bit binary counter; asynchronous reset | 85K |
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| 4 | 74HC161D-T | Synchronous Up Counter | 176K |
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| 5 | 74HC161N | Presettable synchronous 4-bit binary counter; asynchronous reset | 85K |
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| 6 | 74HC161PW | Presettable synchronous 4-bit binary counter; asynchronous reset | 85K |
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