優勢 dip sop  cd4001 cd4011 cd4013 cd4017 cd4020 cd4040 cd4049 cd4051 cd4052 hcf4052 hcf4053 cd4053 hcf4060 cd4060 cd4066 cd4069 cd4070 cd4071 cd4094 cd4511 cd4518 cd4520 cd4538 cd4541 hcf4541 cd4543 cd40106.優勢，現貨。需要請聯系qq312590687!