74HC109D-Q100J 54ALS74AW/883 SN74ABT534ADWR SN74LVC1G80DCKRG4 SN74BCT29821NT SN74AC74PWRE4 MC74HC74ADR2G 74HCT112PW,118 CY74FCT374CTQCT 54174DM SN74LVTH374DBR 74LVC1G80GW-Q100,1 SN74BCT29821NTG4 SN74AC74PWRG4 74ALVC74BQ,115 74HCT112PW,112 CY74FCT374CTSOCT DM54LS74W/883 SN74LVTH273DBR 74AHCT1G79GW-Q100H