SN74ALS623ADWRG4 74ABT16853DGGRG4 74LVC2G126DCUTE4 74LVT16652ADL,512 NLU3G17CMX1TCG 74LCXH245SJ SN74ALS638A-1DWG4 74ABTH162245DGVRG4 74LVC2G240DCURE4 74LVT16652ADL,518 74LCXZ2245SJ SN74ALS638A-1DWRG4 74ABTR2245DGVRG4 74LVT2952D,112 74LCXZ2245SJX 74AC540SJX SN74ALS638ADWG4 74AC11240DWRG4 74LVT2952DB,112 74LVQ125SJ