FAIRCHILD
4885
SOP-14
NSC
46
DM74LS293N
1959
1959
MOT
18786
DIP20
FAIRCHILD/仙童
27950
SOP
NS
500
DIP
NATIONALSEMI
6668
原厂原装
FSC
2000
DIP
FAIRCHILD
1598
DIP-16P
原厂正品
5000
QFP64
FSC/ON
4360
原包装原封 □□
NSC
8888
DIP-20
Fairchild/ON
9000
16PDIP
FSC
28000
SOP