SN74LS122DR CD74HC221MT SN74LV221ADR SN74LV221AQPWRQ1 SN74AHC123AMDREP LTC6993CS6-2#TRMPBF LTC6993IDCB-1#TRMPBF LTC6993HDCB-2#TRMPBF LTC6993HDCB-1#TRMPBF LTC6993MPS6-1#TRPBF 74LVC1G123GT,115 74AHC123APW-Q100J 74AHCT123AD,118 74LV123D,118 74LV123BQ,115 74HC123BQ,115 74HCT123D,653 74AHCT123AD,112 74HC4538D,653 74HC123PW,118