【Fairchild Semiconductor】MM74HC161N,IC COUNTER BINARY PRESET 16-DIP
【Fairchild Semiconductor】MM74HC161SJ,计数器 IC Syn Binary Counter
【Fairchild Semiconductor】MM74HC161SJX,计数器 IC Syn Binary Counter
【Fairchild Semiconductor】MM74HC163M,计数器 IC Syn Binary Counter
【Fairchild Semiconductor】MM74HC163N,IC COUNTER BINARY PRESET 16-DIP
【Fairchild Semiconductor】MM74HC163SJ,计数器 IC Syn Binary Counter
【Fairchild Semiconductor】MM74HC164M,IC SHIFT REG 8BIT PISO 14-SOIC