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贴片直插MC74VHC14MEL，MC74VHC139DG，MC74VHC14DTG，4
MC74VHC139DTR2G | MC74VHC14DG | MC74VHC14DR2G
MC74VHC138DR2G MC74VHC139DR2G MC74VHC14DG MC74VHC1G00DTT
MC74VHC138D(HC138DG HC138DR2 HC138DTR2 HC139DR2 HC14D
丝印MC74VHC139AD-MC74VHC138DT-MC74VHC138DG-mc74vhc138dg
MC74LCX257DR2G F32 F151 174 LCX138 VHC139 157 1413DG SOP16
贴片直插MC74VHC139D/MC74VHC132D/MC74VHC02DG/MC74VHC08MG/4
贴片直插MC74VHC139MG，MC74VHC138DG，MC74VHC138DT，4
贴片直插MC74VHC08DT/MC74VHC132M/MC74VHC14DG/MC74VHC139M/4
