插脚MC74HC157ANSN74HC157NHD74HC157P¥311去看看鹏兴泰电子元器件IC发布了MC74HC157AN 74HC157AP SN74HC157N HD74HC157P 全新进口16直插脚SN74HC59574HC138DRPEL139¥5.20去看看红嘉石优选发布了HD/SN74HC139/157/163/174/165 SN74HC595 D/DR RPEL 74HC138DSN74HC595RPEL139157¥5.20去看看泥忆南优选发布了HD/SN74HC139/157/163/174/138/165/148 SN74HC595 D/DR RPEL SOP