TI
9000
20DIP
NSC
3576
DIP20
2500
CDIP-20P
NS/美国国半
54000
DIP20
NSC
8200
DIP-20
NS
3000
DIP-20
NS/美国国半
9850
DIP
NSC
28
PLCC
NS/美国国半
760
PLCC20
TI
9000
20DIP
NS
1005
PLCC
Texas Instruments
56200
20-PLCC(9x9)
NS
12000
DIP-20P
ST
11872
SOP-8
NSC
8000
DIP20