HD74HC679PHD74HC674PHD74HC670PHD74HC651P￥1.40去看看电子元件88888发布了全新HD74HC679P HD74HC674P HD74HC670P HD74HC651P HD74HC643P议价HD74HC4538FPERHD74HC4538FPHD74HC623P￥3.30去看看永恒电子元器件发布了议价装HD74HC4538FP HD74HC4538FPER HD74HC623P HD74HC674P
