发布时间:2025-02-03 05:13:38
8输入1输出的与门逻辑芯片:
74LS系列,74LS30是8输入与非门,输出端加一个非门就变成与门了。
4000系列,CD4068,是8输入的与门/与非门,有两个输出端,一个是与输出,一个与非输出。
五平米的卫生间做防水需要多少防水布还有其他材料得多少如108胶水不漏
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