DM74AS280
FAIRCHILD
19960
NA
NAT
5683
原厂原装
FAIRCHILD
35200
ON Semiconductor
7300
14-PDIP
ON Semiconductor
7300
14-PDIP
ONSEMI
9000
NA
68900
DIP
ON Semiconductor
56200
14-SOIC
NS
10699
SOP-14
NS
80000
DIP
Fairchild/ON
9000
14PDIP
NS/国半
3000
SOP3.9
NS
12800
DIP
FSC
589610
NAT
175