... x
2
, x
3
) = f (
=
12
0e
3
1
,
2
,
3
). x
1
1
. x
2
2
. x
3
3
f(x
1
, x
2
, x
3
) = f(0,0,0)x
1
x
2
x
3
+ f(0,0,1)x
1
x
2
x
3
+ f(0,1,0)x
1
x
2
x
3
+ f(0,1,1)
x
1
x
2
x
3
+ f(1,0,0) ... v khại niãûm vãư m Trang 3
Vê dủ:
1
1
13 2
2
1
2
2
3
6
0
15
16
0
16
16
3
63
15
10 23
3
0
1
A
(10)
= 13 → A
(2)
=1101
A
(10)
=10 23 →
A
(16)...
... x
3
) = x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
= x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
(x
3
+ x
3
)
=
x
1
x
2
x
3
+ x
1
x
2
(x
3
+ x
3
) ... x
2
, x
3
) = f (
=
12
0e
3
1
,
2
,
3
). x
1
1
. x
2
2
. x
3
3
f(x
1
, x
2
, x
3
) = f(0,0,0)x
1
x
2
x
3
+ f(0,0,1)x
1
x
2
x
3
+ f(0,1,0)x
1
x
2
x
3
+ f(0...
... x
3
) = x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
= x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
x
3
+ x
1
x
2
(x
3
+ x
3
)
=
x
1
x
2
x
3
+ x
1
x
2
(x
3
+ x
3
) ... x
1
x
2
x
3
= (x
1
x
2
) x
3
= x
1
(x
2
x
3
)
3. x
1
.(x
2
x
3
) = (x
1
.x
2
) (x
3
.x
1
)
C/m: Ta coù:
x
1.
(x
2
x
3
) = x
1
(x
2
.x
3
+ x
2
.x
3
)
=...
...
V
DD
y
R
DS(ON)/Q1
R
DS(ON)/Q3
R
DS(OFF)/Q
2
Hỗnh 3. 31a
(x
1
=0, x
2
=1)
- Khi x
1
= x
2
= 0 (hỗnh 3. 31a) : Q
1
dỏựn, Q
2
vaỡ Q
3
õóửu từt, luùc õoù theo
sồ õọử tổồng õổồng ta coù:
DD
DS(OFF)/Q3DS(OFF)/Q2DS(ON)/Q1
DS(OFF)/Q3DS(OFF)/Q2
y
V
)])//(R[(RR
))//(R(
R
V
+
=
...
Hỗnh 3. 30a.
(x
1
=x
2
=0)
R
DS(OFF)/Q
R
DS(OFF)/Q2
R
DS(ON)/Q1
y
V
DD
Hỗnh...
... + x
3
+ x
5
+ x
7
B = x
2
+ x
3
+ x
6
+ x
7
C= x
4
+ x
5
+ x
6
+ x
7
Sồ õọử logic (hỗnh 4 .3) :
x1
C
x2 x5 x7
B
x3 x6x4
A
Hỗnh 4 .3 Maỷch maợ hoùa nhở phỏn tổỡ 8 sang 3
Chổồng 3. Caùc ...
x
3
+
x
5
+
x
7
=
7 531
x
x
x
x
B =
x
2
+
x
3
+
x
6
+
x
7
=
7 632
x
x
x
x
C =
x
4
+
x
5
+
x
6
+
x
7
=
7654
x
x
x
x
Baỡi giaớng Kyợ Thuỏỷt Sọỳ Trang 78...
... Thût Säú Trang 108
4 .3. 3. Mảch phán âỉåìng
Xẹt mảch phán âỉåìng âån gin cọ 1 ng vo v 4 ng ra k hiãûu
nhỉ sau :
x
x
c
1
1 → 4
y
4
y
y
1
2
y
3
y
4
y
y
1
2
y
3
c
2
Hçnh 4.26. Mảch ... våïi ng vo dỉỵ liãûu chung x.
y
4
c
2
c
3
c
1
1 → 4
y
y
1
2
y
3
Vê dủ:
x
c
1
= 1 → x = y
1
c
2
= 1 → x = y
2
c
3
= 1 → x = y
3
c
4
c
4
= 1 → x = y
4
Hçnh 4.28...