Điện Tử - Cơ Sở Thiết Kế Mạch - Design Trên Máy Tính (Phân 2) part 18 doc

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ph~p
lfU,y':n
lJ
va
thu tue
tlll.rc
hi~n
phcp Iruyen D gqi
la
Ihu
ll.le
ehlly0n D.
D6i \'6i Ilrng
p!lein
Ilt
16gie
c0
Sl1-,
qUii
Idoh Ihiel Ii)r
v~t
Iruycn D
Iii
qu,)
1=C)'

!~_c
~[Y
:'==[Y-
!~
~D"
Irlnh
x,-Ie
dlllh
v~t
d~11
cae giil
If!
IUOIlg
ling
li,li
eile
deiu
vitO
con
Ii.li
cua rhfin
IU
khi
m(lilrong
cac
eMu
vao
ella
ph~in
ttl

hi
loi
vii
nhf\l1
gi,i
tri
D
IllnIJ
X.17.
'll1l1
IliC
c1IUYCIl
[)
qlla
c;ic
pJdm
Itf logic
co
b;lli.
110i)e
/5,
sao cho gia trj n
(ho~c
i5)
dLI0c
Iruy':n nguyen
vt;n
16i
drill
ra

ella
ph{in
ttl'.
Tr6n hlnh 8.17,
ta
th[IY
doi \'oi cae ph,ln
tll'
AND
\';1
NA:'-JD,
phcp
Iruyen
D
Ja
thiet
1~IP
tren nhiIng
d~iu
vito
khong
bj
16i
nilting
gi{\
Ir\
hung'
1';
cl6i
\'ui

de
phfill
tu
OR
viI
NOR - lhiet
Ii)p
gia trj
'0';
lrang khi do d6i
vO'i
phtin
IU
XOR, phcp lruycn D
lL10ng
ung
v0i
vi¢c
(hie't
I{lp
Iren
cUu
\'~\o
con
le.li
gia
Irj
bill
ky trong
ti)p

hqp I
0,
1 J .Chung
ta
nh~U1
Ihay d(ii \'oi
doc
plli,ln
llr
NAND,
NOR, XOR,
gia
tri
tn~n
d<lu
ra
bi
(hio
I<,i:
V > D,
D >V
Dlya
Il"l~ll
kilai
ni<;m
kJ/()'i-D.
cae phuong
ph{lp
1'-,10
\'ecto gia

Irj
kiJm
nghi¢m pilat hi¢n
dc
loi
hAng
so
dlPl
Ircl1
s~['
kieh
ho' It
dU'i)ng
truycn lin hi¢u
\il Ihi0'tl,)p
<luong
diln man
cam
vO'i
[oi
dLIqc
thl-!'e
hi¢n qua
ba
giai do"n:
266
1.
D(:ij
\'O'i
nhling lui

hAng
sO'
tren
lllQl
dLIong
lin hi¢u x,ic dinil. chelng la
lhiet
1~IP
kJ/()'i-D
tren phan
tlr
nh<:l11
duong
lIn
hi¢ll
l~l!ll
(hlu
\'ilo
\'~I
xi.le
dinh cae gia
Ir!
tlIml man
kJ/(J'i-D
do
( thu
tl}C
,hie'l
h)p
D

).
K~I
qua
eua
blrC)'e
nay
IiI
xac djnh
dU0c
cae gia
Ir!
deiu
vao Iren ph:in
IU
Irl!c
tic"p
chju
,-lnh
Inro-ng
eua loi.
2.
Gia lrj ella kl/(ii'-D
dLI0c
dlla ra dtiu ra eua toan
mi.\eh
btlllg lhu
Il.IC
Ifuycn D.
Ke't
qu,\ cua buac nay

Ja
xac djnh
dLIqc
dllong diln man
dm
v6i
loi
de
truyen
gi<.l
tr~
D taj
d,-lu
ra. Trong
mQl
so
Illi,lch
co
Ih0
XU<ll
hi¢n nhieu duong
d,-tn
mall cam v6i
loi
(
1l1{)1
IrLIo-ng
hQ'p
de
tililY

kili
c<ic
phfin
tlr
logic co tile c6 nhi6u hon hai
d[iu
vao
).
3.
XCie
d~nh
e~ie
gi;i Irj ctlu
\';10
tlfO'ng
thieh
Vlii
de
gi:i
tq
'0'
\,~I
'I'
nh;)n dUne 1rollg
qu<i
Irlnh
Ihi":'l
I;'\p
D
\':1

trllycn
D.
Cic
hlrl1e 2
vi\
blrO'e
:;
dU9'e 1hue
hien
dll'a
v;\n
nhiIng
Ihao
t;ic
l'hinh
nhu
>;:lU:
Thao
t(le
IntY~Il-n.
Phcp
suy
dien.
Phcp
qU'ly lui.
Phcp
suy
chen c.i.n Ihi2't
de
<Ie

djnh gi,i
Ir!
tren
nhiIng
chl'tJ"ng
1ruycn
tin
hi¢u
111,)1
e:ich
tiuy
nh:il
Iheo
gi.i trj
tren
nhiJ'ng
dm\ng
till
ll1~ll
khae.
Dicli
!I~ly
co
the
c1U\.K·
minh
hO;.lixlng
VI
dl.11r":n
hinh

S.16, n

Yu
gi:i Iri
li.li
dll"(\lIg
lin
hi¢u
f (hl\K thie't
\;~p
b.\ng
'0'
Ihl
suy
ra
gii
Iq
Ir':n dl\'(\ng
Ii
"it g
cung
duO'e
thiC't \;lph
htmg
'0'.
Then
ehuc
nfmg
cua
ph:in

Ill'
AKD.
nC\1
(hrc1"ng
g du\'l"l'
Ihie;t
li~p
h,c
mg
'0'.
Suy
ra
(hrong i
: 0
tlm)'e Ihie't
1;1[1
hflllg
'0'.
t\'L)t
kh.ic
(1 :'
thie'l \;lp tlm)'e (hrO'llg f
gi~i
trj
'()'.
gi:i
In
Irell
dU(1"llg
II

\"i:t
('
eh,k
chtm ph'll
htmg
'0'.
Ui.i tr! 1r':n cluo-ng
('
htmg
'0'
sc
suy
ra
dlfong
h ph;li
nh(11l
gi.i
Iq
'I'.
Ta
c6 Ihe
t(~llg
kct
qu;.\.
trlnh
>;uy
dien
trcn
nhu
sau:

f =
0:::::::.
h =
(),
g:
=
(1,
Po
=
0:::::::.
i = 0:
r =
0:::::::.
a =
0.
c =
i,l:
"
::::
0
:=;>
b = !.
Ph~p
quay
lui
1~1
phcp
to.in thie't \')p
&1;1
Il"]lr':n

de
d<.lu
V:IO
ella
mach
sao
cho
kh6ng
(() tn.lll Ihu.ln
\'oi
dc
gi,i
tl'!
[<Ii
de
c1uO'ng
truyen
trong
nweh.
Ph':p
lo<.ln
n;IY
kh~ic
\'6i
ph':p
Suy
di~n
noi
tren
I~I

kc't
qUit
(()
Ihe' kh()ng
duy
nhS\.
Vi
cll.l
nhu
1ren
hinh
S.16. nc'tl
dU'lJ"lIg.i
nh(lIl
gii
Ir!
btlng
'0'
Ihl
[heo
ph~Jl
quay
lui
ta
Ihic't
l~lp
Iren
(hrong
II
\';1

('
Clie
t()
hop
e6
[h~
e6
1;1
(
LO
).
(
O.
1
).
l L I
).
Vi¢e
Iva
chqll
de
gi:i tr! phll
IH/P
phu
thu,:'}C
V;IO tlfOg
IrLl'll'llg
l19'p
Cl.l
IhJ

\,~l
dl.ra
V~IO
de
111.~1
iL.ra
eh9n.
Cie
lU;)1
hfa
eh(~n
c6
thJ
c6
llhung
(k)c diem
nhu
SilU:
Cae
lu;)t
iL.ra
eh91l
eo
th~
Iii
nhung
IUi)lnhu
S<lU:
• Chql1 dUll'Jlg
tin

hi¢u g[ln
\'(~i
d:ill
\'(10
nh:il;
•
Trong
trlfong
hqp
gi.i
1r!
lin
hi~'ll
tx\ng
'I',
ilya
chon
du6ng
Iruy"::n
ehlra
ph:in
Ill'
OR:
• Trong: truo-llg:
h9"P
giu trj
tin
hi~u
b.\ng
'0'.

!Ira
chqll
chl'(\ng
trlly~n
chua
ph:in til A'KO.
Vi¢c
dU''-1
cal'
lu(1t
I~ra
chQn
d.n
thiet
ngay
c

t doi
v6i
qua
Irinll Irllycn
D.
Trollg: trlfo-ng
hQ'p
!lCU
0 d:ill ra Clta ph[in ttl'
eo
riS
nh,inh
Ihl

~0
khung
dllY nhi.lt
[wng
\'i¢c
ehqn
duong.
Trong
nhicu
trlfong
I19'p
kinh
nghi¢m
clio
Ih:ty
nen
chqll
duong
tin
hicll
g ill
(t:ill ra nh;'\\.
267
Trong qUit trinh truycn D thong thuang
sc
kh6ng Jfiy
Ju
ncu chi
xCt
mOt

c1uO"ng
tfuyen.
De
gi'-li
quyct
c:ic
vfin
Je
\1,IY
sinh khi chi xct
l11¢t
dU()'ng
truycn D duy nhfll, tfong nhicu
tnt'O"ng
hop chung la
dn
ph,ii
:-,u
dung nhieu
oU'lmg
truyen D
kh,:\c
nhau
mOl
c:.teh
d6ng thiJi. Trong
VI
d~l
du6i J.ly, trong
tn

•.
lch c6 the'
xuAt
hi¢n
16i,
nhung h\i
n~ty
kh6ng
the philt hi¢ll (hlqc ncu ell! xet
lTI<)t
duong
truy~n
D. Do d6. neu
dc
duong tin
hi~u
c6
ph~H1
nh{mh,
n{li
chung chung
1<.1
ph,'li
xem xet
vi~c
truyen
gia
td
D theo nhicu
QUang

Jan kilac nhau. Ta xct
VI
ell,!
Iren
hinh
~U
8, trong
1l1<.lch
xutll
hi~n
k)1
Innh !UH.
"1l1ic't
L)p
va
truycn 0 thea
hai
dlf('-m;;
Mill
111;111
d.1l1
kil
klliic
n\1;lll
elm phep philt hi0n j{)1
a/I
hang so
.\"-(/-1
Ifen Juo'llg tin
hi~u

a - loi
a/
J.
Trong
vi
dl,!
n~IY
chun~'
1~1
Ih[iy, de Ihlel
[Ztp
"II/il-D
wong
U'llg
vlii
kii
a/l
gia tfi tren duo·ng a phd'
li~'(.1C
thic't
l<~p
lXlng
'0'
trong
tru·OH,g
hqp
khong co
10i,
dieu
nity

se IIIong delong v6i
vi~c
d~\1
gia trj x = y =
'1'.
I1tlY
gio'
\<1
sc
xcI cae
dLiong
truyen gia
1q
D khik nhau toi
d<.lu
ra:::
cua
mi.lch:
268
•
Nt'lt
l~ra
chon
Qu'cmg
Iruyen D qua cae
du'Ong
lin
hi~u
a-h·( thi
11"2n

pilan
Ilr
G6 thea thu
tl,!c
truycn
D,
chung ta
nh(1l1
dUCK:
Cic
duang
tIn
ili~u
e,
/11,
1/
phai nhftn
gi<.\
trj
>
I'
( kili
d6
gi{l
Id
truycn
t6'i
d:iu
fa
z se

lit
15)~
•
DLIong
c ph,li nhiln giii tri
'\'
sc
d{1ll
to'j
Ju'ong p ph:li
nMn
giJ
If!
'0'
VI
Ju'i:1ng
d
oJ
nh,)n gia
tf!
D
Y~l
chung la
kh()Il"
truvcn D llua
dLIo"ll"
d-
e " 0
('-c. Dieu
mlY

d,ln !Iii
dLIO"ng
\'
ph,'ti
nh(1l1
gi;\
td
'0'.
• Duong
/I
ph'li
nh(1I1
gia
Id
,
I'
se
cUn
toi Juang s phiii
G6
IIlnh
H.19.
Vecto
gl<l
tri
ki6111
nghiclll loi
a/I
~['
ton

t,ll
neu
gl{t
tri
D
dUcl(
Iruycn qlla dong
thai ca
1m
dlf(mg a-h-c
viI
d-~-c.
D
nh(lIl gia
tr!
'0'
VI
dLIo'ng
y
dJ
nh~111
giu
Irj
'I'
Y(I
~uy
fa
dlfong t ciJng