DM74LS253N
NAT
63
DM74LS253N
FAIRCHILD/仙童
80000
DIP
DM74LS253N
FSC/ON
1076
原包装原封 □□
DM74LS253N
NSC
18
DM74LS253N
NS
562000
DIP
DM74LS253N
NSC
8888
原装原封
DM74LS253N
NAT
19889
SOP
DM74LS253N
FAIRCILD
8000
DIP-16
DM74LS253N
NS
589220
DM74LS253N
NATIONALSEMI
589610
DM74LS253N
NS/国半
265209
DIP
DM74LS253N
FAIRCHILD/仙童
1073
NA/
DM74LS253N
NSC
200
DM74LS253N
原厂
1076
DM74LS253N
FAIRCHILD
4416
原厂原装