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7410 TTL3输入端3与非门
This device contains three independent gates each of whichperforms the logic NAND function....
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7420 TTL4输入端双与非门
This device contains two independent gates each of whichperforms the logic NAND function....
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74150 TTL 16选1数据选择、多路开关
These data selectors/multiplexers contain full on-chipdecoding to select the desired data sou...