TI
11528
20-PLCC(9x9)
TI
11580
20-PLCC(9x9)
NSC
3576
DIP20
NSC
20000
DIP-20
NS
54648
DIP20
NS/国半
9800
DIP
NS
880000
DIP-20
NS
990000
CDIP20
NS
25836
DIP-20P
Texas Instruments
18500
NS/美国国半
9850
DIP
NS/美国国半
880000
DIP20
NSC
36028
CDIP20
NS
3000
DIP-20
NS/国半
6885
DIP20