MC74ACT640DWR2G原装全新INVERT￥8.50去看看芯语商城发布了全新MC74ACT640DWR2G原装(IC TXRX INVERT 5.5V 20SOFTELACTTC74￥1.30去看看一年四季好啦的小店发布了TC74ACT245FTEL/TC74ACT244FTEL/TC74AC640FTEL
