DM74ALS157
FAIRCHILD
19960
NA
onsemi(安森美)
7350
SO16P
FAIRCHIL
90000
SOP
NS
34
SOP
FAIR
390
Fairchild/ON
9000
16SOIC
NAT
5121
原厂原装
FAIR
589610
onsemi(安森美)
2152
SOP16
FAIRCHILD
65790
原装
FAIRCHILD
65480
SOP16
FSC
8000
DIP
FAIRCHILD/仙童
50000
SOP16
FAIRCILD
8000
SOP