恩XP
3000
DIP
SIGNETICS
990000
DIP
FAI
9728
DIP-20
NS
4500
DIP20
NS
93
SOP20
74F534D
53
53
FAIRCHILDSEMICONDUCTOR
80000
NA
NS
9600
DIP-20
onsemi(安森美)
2237
SOIC20
ON Semiconductor(安森美)
500000
NA
FAIRCHILD/仙童
100500
DIP
PHI
20000
DIP
NS
10000
DIP-20
FAIRCHILD/仙童
65790
原装