74HCT109DB,112 74HC73N,652 74HC574N,652 74HC564N,652 74HC273N,652 74HC173DB,118 74HC173DB,112 74HC109DB,118 74HC109DB,112 74ALVT16823DL,518 74ALVT16823DL,512 74ALVT162821DL,518 74ALVT162821DL,512 74ABT823PW,118 74ABT823PW,112 74ABT74N,112 74ABT74DB,118 74ABT74DB,112 74ABT16273DGG,118 74ABT16273DGG,518