: .
: . . . . .
. , . DC CD ( decoder coder ).
, , , . , .
.
, n 2n , ( ) ( ).
, , 2n. , ..
. .
3 . N=23=8.
0, 1, 2, Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7.
2.11.1.
A2 | A1 | A0 | Y0 | Y1 | Y2 | Y3 | Y4 | Y5 | Y6 | Y7 |
.
|
|
Y0 = 2* v A1* v A0*
Y1 = A2* v A1* v A0
Y2 = A2* v A1 v A0*
Y3 = A2* v A1 v A0
Y4 = A2 v A1* v A0*
Y5 = A2 v A1* v A0
Y6 = A2 v A1 v A0*
Y7 = A2 v A1 v A0
(. 2.11.1).
. 2.11.1 , . 2.11 .
. 2.11.1 ,,.
- , ( ). , , .2.11.2.
. 2.11.2. 10-
, , , , . .
(. 2.11.3).
. 2.11.3.
(. 2.11.2), , , , . Fn . , .
2.11.2
F | X3 | X2 | X1 | X0 | a | b | c | d | e | f | g |
:
a = F0 v F2 v F3 v F5 v F6 v F7 v F8 v F9
.
g = F2 v F3 v F4 v F5 v F6 v F8 v F9
. 2.11.4.
. 2.11.4.
.