| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74AHC574PW | Octal D-type flip-flop; positive edge-trigger; 3-state | 94K |
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| 2 | 74AHC574PW | Octal D-type flip-flop; positive edge-trigger; 3-state | 109K |
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| 3 | 74AHC574PWDH | Octal D-type flip-flop; positive edge-trigger; 3-state | 94K |
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