74FCT2257KATQ
Rochester Electronics
SN74CBT3244CDBR
DM74ALS137N
MC74ACT251D
CD74HCT157E
SN74CBTS3384DGVR
74FCT157CTQG
QS3VH245Z4Q
FST3257QSC
SN74LVC257ADB
QS3383YQ
74LS139FPEL-E
QS3VH800PAG
74FCT139TP
74FCT157CTQG8
QS3VH125Z4S1
FST3384WMX
74FCT257ATQG
74LVC4066D-Q100118
74F399SC