MC14538BDWG SN74LV123ARGYRG4 CD4098BPW SN74LV123ADBR CD74HCT4538M CD4047BEG4 LTC6993CDCB-3#TRMPBF CD74HCT423M96G4 LTC6993IDCB-3#TRMPBF CD74HC4538QPWRG4Q1 CD74HCT423MT HEF4047BT-Q100J SN74LS123MR1 74HCT4538DB118 SN74LV123ATPWRG4Q1 74LVC1G123GD,125 74HC4538DB,118 HEF4538BT-Q100J 74HC123D/S400118 NTE74121