SN74AHC139RGYRG4规格参数
相关型号
SN74AHC14D SN74AHC14DBLE SN74AHC14DBR SN74AHC14DBRE4 SN74AHC14DBRG4 SN74AHC14DE4 SN74AHC14DG4 SN74AHC14DGVR SN74AHC14DGVR/BKN SN74AHC14DGVRE4