TC74VHC4040FN,IC COUNTER BINARY 12STAGE 16-SOL
TC74VHC4040FN(ELP,M),IC COUNTER BINARY 12STAGE 16-SOL
TC74VHC4040FN(F,M),IC COUNTER BINARY 12STAGE 16-SOL
TC74VHC4040FT(EK2M,计数器 IC Binary Counter
TC74VHC4040FT(EL),IC COUNTER BIN 12STAGE 16-TSSOP
TC74VHC4040FT(EL,M),IC COUNTER BIN 12STAGE 16-TSSOP
TC74VHC540F(F),
TC74VHC540FT,