MC74HC4538ADR2G
Sanyo Semiconductor/ON Semiconductor
MC14538BDR2G
MC74HC4538ADG
MC14528BDG
MC14528BDR2G
NLV14538BDR2G
74VHC123AMTC
74VHC123AMTCX
MC14538BDTR2G
MC14538BDWR2G
74VHC123AMX
MC14538BDG
MC14538BDWG
NLV14528BDR2G
NLV14538BDTR2G
NLV14538BDG
NLV14538BDWG
74C221
MM74HC221AN
MM74HC123AN