FAIRCHI
9526
SOP20
FAIRCILD
8000
SOP-20
NS
3200
QFP
550
DIP
DM74ALS640AWM
9
9
ON-安森美
18800
SOIC-20
NS/国半
2709
DIP20
onsemi(安森美)
1501
SOIC20
ON Semiconductor
7300
20-SOIC
FAI
2960
SOP207.2
NS
2074
SOP20 7.2
NS
2074
SOP20 7.2
NS
8800
SOP20 7.2
NS
2074
SOP20 7.2