CD4098BPWR LTC6993IDCB-4#TRMPBF SN74LV123ADRG4 LTC6993IS6-1#TRMPBF CD74HC4538NSR SN74121DE4 SN74LV123ANSR LTC6993HDCB-1#TRPBF CD74HCT4538M96 LTC6993HDCB-2#TRPBF SN74LS123NSR LTC6993HDCB-3#TRPBF 74HCT4538PW,118 LTC6993HDCB-4#TRPBF CD4047BMT LTC6993HS6-1#TRPBF CD74HC423MT LTC6993HS6-2#TRPBF CD14538BPW LTC6993HS6-3#TRPBF