74ACT257B
ST
6000
DIP16
TI/TEXAS
8931
TSSOP
FAIRCHILD/仙童
20911
DIP
FAI
5000
Freescale(飞思卡尔)
60000
仙童Fairchild/FSC
12588
DIP
NS
21723
16-SOIC
Fairchild/ON
9000
16SOIC
FAIRCHILD/仙童
860000
DIP
NS/国半
37935
SOP16
FAIRC
1745
3.9mm16
onsemi(安森美)
1828
PDIP16
NSC
27950
DIP
FAIRCHILD/仙童
9600
16-SOIC
TI
3200
sop16