全新CD74HCT4020M原装(IC 14STG BINARY COUNTER 16-

全新CD74HCT4020E原装(IC 14STG BINARY COUNTER 16-

CD74HCT40103MG4 CD74HCT40105EE4 CD74HCT4020E CD74HCT40201

全新CD74HCT4020M96原装(IC 14STG BINARY COUNTER 1

cd74hct4020m96 CD74HCT4020EE4 CD74HCT32M96G4 CD74HCT32M96E4