| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74AHCT74PW | Dual D-type flip-flop with set and reset; positive-edge trigger | 94K |
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| 2 | 74AHCT74PW | Dual D-type flip-flop with set and reset; positive-edge trigger | 112K |
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| 3 | 74AHCT74PWDH | Dual D-type flip-flop with set and reset; positive-edge trigger | 94K |
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