MM74C221N
NS
2500
DIP16
MM74C221N
NSC
24
MM74C221N
NS/国半
12245
DIP16
MM74C221N
NS
2734
DIP
MM74C221N
NSC
80000
DIP
MM74C221N
NS
6528
DIP16
MM74C221N
NS/国半
4322
DIP
MM74C221N
NS/国半
880000
DIP16
MM74C221N
TI
8000
N/A
MM74C221N
NS/国半
100500
DIP16
MM74C221N
NS/国半
50000
DIP
MM74C221N
TI(德州仪器)
20094
NA
MM74C221N
NS
12535
DIP
MM74C221N
NS
3880
DIP
MM74C221N
Fairchild/ON
9000
16DIP