| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SN54LS74A | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP | 75K |
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| 2 | SN54LS74A | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | 715K |
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| 3 | SN54LS74AFK | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | 715K |
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| 4 | SN54LS74AJ | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | 715K |
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| 5 | SN54LS74AW | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | 715K |
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