DM74ALS257
FAIRCHILD
19960
NA
onsemi(安森美)
7350
SOP16
NS/国半
4724
NA/
Fairchild
138
SOP-16
FAIR
2500
FAIRCHIL
9365
SOP3.9
FAIRCHILD/仙童
6688
SOP
NSC
8888
DIP-16
FAIRCHILD
80000
SOP16
NS/国半
15000
DIP16
FAIRCHILD
2987
SOP16
NS/国半
80000
DIP-16
FAIRCHILD/仙童
3689
SOP3.9
ONSEMI
9000
NA
Fairchild
13500
SOP-16