发布时间:2025-01-23 14:59:51
CMOS芯片,工作电源电压是3-18V,芯片型号,CD4081 是四2输入与门,CD4082 是双4输入与门.
要是不能满足需要,那就要用口转换芯片了.用比较器,LM339,也可当口转换芯片.
北京公积金抵押登记多久拿房本 北京公积金抵押登记多久能拿到房本
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