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cd4070的管脚定义及其真值表
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cd4070b , cd4077b
cd4070的管脚定义及其真值表
cd4070bc参数datasheetpdf下载
cd4070be 4071/4072/4073 /4075/4077/4078/ 4081be dip-14
原装正品 cd4070bm96 cd4077bm96 soic-14 cmos四路异或门 逻辑ic