74HC芯片163￥196去看看电子爱好者之家元器件 电子元器件套件元件发布了74HC163/74HC164/74HC165/74HC175/74HC190/74HC192/74HC245芯片74HC芯片163￥70去看看东荒的鑫杰的小店发布了74HC163/74HC164/74HC165/74HC175/74HC190/74HC192/74HC245芯片
