【Fairchild Semiconductor】74VHC393SJ_Q,计数器 IC Dl 4-Bit Binary Ctr
【Fairchild Semiconductor】74VHC393SJX,IC COUNTER BIN DUAL 4BIT 14SOP
74VHC4020FT,IC BINARY COUNTER 14-BIT 16TSSOP
74VHC4040FT,IC BINARY COUNTER 12BIT 16TSSOP
【Fairchild Semiconductor】74VHC4040M,IC COUNTER BINARY 12STAGE 16SOIC
【Fairchild Semiconductor】74VHC4040M.,
【Fairchild Semiconductor】74VHC4040M_Q,计数器 IC 12-Stage Binary Ctr