0.4 元券74HC芯片SN￥2.126去看看欣薇旗舰店发布了SN74HC48/74HC112/74HC123AP/74HC138/SN74HC139N芯片IC74HC芯片DIP16￥2.50去看看成都金时宝电子发布了SN74HC48/74HC112/74HC123AP/74HC138/SN74HC139N芯片IC直插DIP16
