Điện Tử - Cơ Sở Thiết Kế Mạch - Design Trên Máy Tính part 6 pps

Ihiel litlll dc'
c,llh6i
gi.m Ire
eua
lill hi¢u khi
eli
Llua
c.le
phan
ILl'
[(lgie
\'il
c.lc
lto,m
mach.
Thi\i
gian
Ire
nay
,Inh !llfling l6'n
den
ho'.11
d6ng
ella
mach
lrong
tlwe
Ie'.
Do
cit'!
\'I¢C

I)1l)
1,1
V~I
XLr
Iy'
Gie
gla
Iq
Ih('1i
giatl
tr~
trong
c,le
IlllC'1
hi
I[nh
\(Xlll
d{IJlg
val
Ire)
quail Ir9ng.
Trong
me)
hlnh
don
gi,ln
nh[11
\'a ph() bien nh,il
ell<1
de

phflll
til'
l()gie.
mQI
IhU(lC
Linh
cua
Iho'j
gian
lruy~n
lin
hi¢u
qua
111' leh
[I
Ih6i gl,m Ire Ihu[ln
Ill~'
'" .
Twng
tru"(~mg
h~p
Ilily.
Ih(1i
giom
Ire
eua
mach
gum
de
phfin It!

ehCre
n~ing
rn~ie
nl'li
liC:'p
sc
htlUg
Iring
de
Ih('1i
gian
Ire
eua
C,IC
ph[in
Il'r
chCrc
n[mg
V(I
lhi)'i
gi<ln
tre ella
ule
phrin
tu'
licn kel.
Thong
lhui:mg
L!lb'!
gian

tr~
lrong
dc
ph[in IU'
1<1
nhung
d<.11
lU9ng ngtw
nhien.
do
cit'>
\'iCcc
tinll
(i0'n
C,IC
gi,. Iri
Ih(\i
gwn Ire
phc'u
sit dl;lllg
cae
plllrO'llg
phap
thong
k0.
Thlllig
thU'l11lg
cae
IIha
>;,.In

xllAt
dlia
ril
gia [ri
cLfc
d'.Ii
Clla
tho-i
gian
Ire.
D()l
khi
de
cling
dp
(hiy
du
th6ng
tin hall
\'C
Iho-i
giall Ire, nglrh'i ta
Cll
the
dlta
ra giii
Iq
CLtc
dai
\'il nhiJng gia tri li2u hieu. M()l c,lch

(by
(ttl
hcm
la
c6
Ih'::
ulng
C[lp
gi,i
Iq
L"l rc
dai \'il
qre
lieu
cua
lho-i
gian
Lre.
Trong
nhlIng tnl'(\ng
IH.'p
Ci11l
d()
chinh
xile
cao
ngu'i\i
til
dn
phili

eung
cilp
nhiing
(be
linh
Iheing
\ l'
ella
Lhll'1
gl<lll
Lre
nhu
k-5'
\'(.mg Imin
hqe
E, plllf0ng
>;ill
0'
\':t
1116
la
~~l'
phu
IllLl(lC
ella
Ihl1i
gian
Ire
\,~tO
nllu'llg

di~u
ki~n
ll1l)i
Iru'lmg hen ngo;lI
nhu
nhlC!
d(l,
d(l
[im.
d{l
drill
di0n

!\":;u
ell! bict
gl.lln
ql'e
di.1I
ella Ihi\j glall tre. dlii
\'()'j
lIll)1
Ini.KI!
Irll) en [Ill
llieu
h:11
1 :5'.
la clll
e6
the
~h"1I1g

dPlh
du't,l'e
rl\J1g
[In
hlCU
khi di qlla
1ll<.Ich
s0
b!
Ire khong
h,'11
IHm
Iring
Ulc
gJiI
Iri
qrc
d'.li
ella lhb'i gian
Lre.
Ttl
d()
llH)1
h{'
qu,'t
quan
Lrong
11<IY
~inh
Iii

chung
La
kJlrlflg
('(I
kil(1
filing
VI
.\'/11111
{II/if
giull
lUll
11'11.\"(;'/1
f/ll
/II~"II
(/lIiI
('(il
d(llill
11111('/1
JJl!ic
II/III/I.
Trong
mqi
dOi.\n
m'.Ich gi'l Iri
thiji
gian
Ire
e6
[he"
nllt)

lU~'
~'.
N0\1
ehLlllg la hlCt gl:\
LI"!
qrc
d'.I1
va
qre
tleu
clla
Iho-i
gian
Ire. khi
d<'l
lrung
llWi
dO;.1ll
m
•.
teh
1<1
c6
Ihe x;ie
dinh
gi;i
Iq
el.re
(t.li
vii

qle
Ihiu ella
Ihb-i
glall Ire.
Trong
tru'lmg
IH)'P
n:IY,
ta
c6 Ihe
so
sunh
dU\ie
cae
thl)'i
gian
tre
nllll'lIg
Kc't
LIU,"t
e6
the x;ie
djnh
hO(IC
f hOng
.: ac
dillh.
Dicu
d6
ph~1

[hU(IC
VUlI
c.ie
Iham
so
Ihb-i
glall Ire
eua
de
ph:in
ILr
vi:t
s61lfqng
de
phtln
ILr
trong
do'.1Il
Ill.teh.
Trollg
nhCrng
tnr('-mg
hup
gi(1i
hi.tIl
cia
hie'!.
thl1i
gian
Ire Ihli0ng dU\K

xae
lIlllh
bill1g
e,iell
linh
den
nhCrng
f h;'l
n[lI1g
x{iu
nh:il
lrong
qua
Irinh
IrUYCIl
Ifn
!lIcit.
each
linh
\lay
dl.J'a
lrcll gjii thlct
nhu
sau:
thl1j
giiln
tre
ella
lin
lll~u

klli
di
qua
de
ph{in
ILr
co
Ihe dWK
xac
dinh
th6ng
qua
nhCrng
tn)' ng'.ll kill
dam
bao
nhO'ng
ehC'
dQ
1(1111
vi~e
xiic
dinh
eua
philn lir. V6'i ehe'
dc)
Eun
\'i~e
[Y'
36

tw'mg.
Ih()'j
f!IClI1
Ire
c6
the
COl
nlm
g{ll1
bimg kh6ng. Khl kh{mg
th':;
(bm
han
dU<.K
che'
dCl
\i\111
VI¢C
l~'
tw'mg do
:l!lh
hu'()-ng
lit bell ngo;u. th(ii
~lall
lrl;
eua
tin hlCll
sf
t,"mg
kn.

Tronl.!
Iruo-ng hrjp
dlj"J1
gian nhlll
hili
tin hicu
hll\\ll~
b\
ph,in
ILl'
lam
meo.
thi)']
gian
lr~
Ian
IrLlyen
c6
the
dunc
coi
El
elf)
\¢ch
pha
ella
till hieu ra
tunng
ling
\'(1'i

tin hi2u
V;10.
Noi chung
plllfO'n,g
phap
]lil)
dli
tinh
den
nhilng
trLfll'Ilg
I1l,)"p
co
kh,i
n~lng
Xll)' ra
nho
nh,"lI
lrollg m'.lch l.\ic
lhcll
ki¢n
r~mg
hU(K
c{)
the
dlfCiC
X:lC
d!nh nhu' sau.
Ta
.\a

hal throng truyen tin
hl¢U.
mClt
dU'lmg
chLra: J
1
ph"lll
IlC
du(mg
lh(r-
hal
chua
N\
ph:in
ILL
Cii,']
thie,
rtll1g
Ni > 1\,.
+)(:;i
\'6i
nhCrllg
m'.lch
16c
d()
cao.
la
din
ph<ii
lfnh Je'n

Ih6"i
gWtl
Ire
eLla
d nhi:i'ng m,.tch
li~1l
1 0'\.
T{;lIg lh(\i
~iall
tre Irong
!lhO'llg
nwch
hen
k61
dUQ'e
k)' hi2u
1;1
I"
v~\
sc duqc I [nh
g(ljl
\'l)'j
Ihi)']
gian Ire
ella
ph'ln
ILL
Thb'i gial\ tre lui
Ihi~L!
Iren

dui:mg
tin hi¢u eh(ra
l':J.
nh6111
phrln
tIl'
~c
bang
II
I11LI1= N
I.,
Idlllill.
Thoi gian Ire
16i
dOl
tr~n
dU'ong
tin
hi~u
chua N\ nhom phfin
Ill'
,,12
hang:
t.'iLll;h""
N".
tUlll<L.\
Trang
qua Irinh Ihie't
ke
la

cfin
Ihm't
m~ln
dicu
ki~n
11
't: ,
hay
!it:
NJ
/
N: ,
">
tJm,)\
/1,1111111'
t\lllr \'(Iy,
nC"ll
h¢
thu'e lrclI tho.'t man Ihl IronS Inri\ng
hl.~P
X[IU
nhSI
lin
hi¢u
Iruycn Iheo ducmg
co
it
ph::in
ILl'
se nhanh

hcm
then dui:lng cli(l'a nhicll
ph.ln
Ill'.
t\'6u
linh
d'::"ll
nhung
dale
tinh Ihting kc
eua
thai gian
trG
chLing
La
e6
the'
ea
nhling danh gia ehfnh x,ie
hO'n
vc thai gian trc ella lin hi¢u khi di qua
de
phfin
Ill': 'O
\'(1i
phuong
phClp
ctlnh gi.i Iheo
kh,-!
n[\I1g

x,Yu
nh:I'!.
eii;.!
Ihiet
ril11g.
eac
gILl.
In
Ihl1i
gian
ln~
Iii
cae
d'.li
IU\l11g
ng[IU nillen
L10e
-h~p
va
e6
ph[111
b6
xac su:it
gfin
voi
d'.l!lg
ph,h) b6 Gall"s. CiI:1
Ihi'::"l
n(IY
dUl)'C

olJa tren
co
Sli
cae nghien
eu'll
d~c
tinh ella cae
pho:in
ILr
!6gie.
Y 6i
nhung
clieu ki¢n do, thai gian Ire lrung
m()1
do' 1Il
11Weh
gC)1TI
de
rhein
ILr
mite noi ti6p se duqc eoi
1a
d'.li
lu,<!ng
ngau nhien
c()
ph<.ln
b6
xae sufll
dano

Gau: ,s
vo-i
ky'
von(~
to,in hoe E
va
phuon
o
sai
0'2
IiI
1011(~
eua
de:
k\' VOII\!.
.
/;'
.
/;',
/;'
/;'
-'
~.
loan hqc
E,
va long
ella
Ule:
phuCing
sai

0"/
ella
piJClll
h6
x,ic slI(i(
ellLt
de
ph,'in
tu' Ihanh ph[in. Khi
do
hi~u
.1
eLla
thb'i
gi;lll Ire Irell
dO;I')
ll1'.
,eo
nhi6u
phjn
tll'
,,6i
Ihi'ii
~ian
1re
Ircil
c1OL,lIl
nwch
ng;'lu
nhien co ph,In

bu
X;1e:
~ufll
d,.mg
Ci"
E(,\)
1-_((,)-
'I',
11
ph:in
1<1'
hCitll
dll.s
la
d'.li
lu,mg
, \,()'i
ky
\,(Ong
10;\n
hoc'
E
htUl)C,'
37
trong d6
E(
\[,
)V;I
E(
1:,

)
III
k)' vqng. to,l\l hqc ella thbi giun tre tren
dm,lIl
mach
I,
vii
S:
va phvl1tlg sai
DC\)
~
D(t,)
~
Illt,)
!mlll; til)
J)(!~)
V~I
D(I.J
Iii
plllfn'ng sai ella
thl)'i
gi,m
In':
Ir2n
c\0, lt11l1, \Ch
L
\';1
S.
D~
lrallh xung

d()1
thl tin
hi~~u
Ir211
du'cing
e6
nhicu phan
IV
phi.'ti
d~ll
ch,-Jm
hon t[n hi2u trcn dufmg
c6
il
ph{in
Ill'
han
1l1(1t
kl\(xl.ng
thai
gian
Ian
hu'n
ho'.le
I1flll£.
f
r
,

X<ic

su<Yt
de
diCll
ki~ll
ni:ty
h!
ph,i \'0 e6 the
(hJ(l'C
xac d!nh
nhu
~au:
ta
xi'll'
lImh
d'-,Ii
Im.mg:
E(,0.)-1'1
n
'
0-("')
Irong
dr),
crl,',)
=,
Il("')
x,\C
~u:\l
dicll ki¢n tnlllh '\ung
dOl
b!

phii
yfj
Iii
Xite
,~ll[\1
eua
Iru'G'ng
iWp
dai
Ilrnng (
L\
-
1:\
) I¢ch khai
E(.3.)
11101
dm,lll
lXll1g
1/ do l¢ch
quy
chu,1n.
V{ij
gi<.1
In
1/ > 3,
xLie
sU<.YI
nay
du\:iC
Ifnh giin dung

Ihea
e6ng
link:
Khi ",ic 1tinh
gi'-l
Irj
Ihhi gian
Ir~,
ta Gin ph:ii l[lIh
dc"n
;inll
hl(1))lg
eua
nhl~1
d(),
ella
1;li,
".
10n
lio,-,II
d(lllg
cLla
ph:1l1
ILL
Cie
tillh
to,-in
lIeLi
Ircll
lrong

HUang
hO[l
thtJ'i
gian Ire
Iii
(h,li
luqng
ngtlLl
nl1H:-n
dU\lC
sv
dl.lIlg
cho
Inri)"ng
hQ'p
Il1<,lch
duqc
x[IY
dl,mg
til'
nhu'l1g
ph[in
ILr
n~Ilg
bi¢1.
Khi
1ll:'ICh
dll'qe
1~,IO
)\1()1

c,leh
d6ng
nhrll Ircn
m()1
tinh Ihe,
Sl!
1,'111
1l1'.111
IlJ'O"ng
d6i
e':I<,1
Ihbi gian Ire
gi,-\m
di do
Slr
tlfung quail
giCra
c,-ie
ph'lll
tLI'
mach, Ih(ii giall Ire
lril'
nen
g<.lll
nhv
U'll
d~nh.
2.
eie
m~ch

U;
hqp va cae
m,~ch
tmill, tl!
Sv
phfln ehia eSc
mach
s{)
th:l1lh c,Ie m'.lch
to
hqp
\';1
eac
m'.leil tu[in
III
XlI,-Yt
ph,-t!
tv
e[le dicmkh{lc bi¢!
cei
b;m
giiJu
ute
d~lc
linh
eua
chung.
Cic
bien dilu ra
ct'Ja

cae
111i.lch
t6
h9'P
chi
phl;!
tilll()C
v;tO
eSc tac d6ng
\,ZIO
m;.lch
lai Ihai
ditm
hi¢n !ai.
eic
m~lCh
tu[in
tLr
tinl! toan cae gia
tf!
ra
d\-J'a
\,:10
cae
gi,i
Ir.i
chlU
vao
khong chi tai
thO'I

diem hi¢n lai
m:l
clm
phl;!
Ihuoe
Ci\
\';10
nhCmg
Ir' l11g
Ih.ii
Clla
mach
tlnh
ILr
l!lfji
di~m
dang xct
Irl")
\'C
tnr6c. C.ic
tr<.ll1g:
thaI clIa
1l1<.lch
3X
lu~in
Ill' chroe
ltru
Ifll"
\'(\0
Cal'

ph[in III nhl'i lrung
lh~'tIlh
ph,ill
elLI
:1',_,

Tr:lil,O!.
Illal ella
me.teh
lai
mIll
thb'i
dicm
1;\
h~l1n
~6
ell;!
eiL'
Irdng
Ih,'11
l'lld
111.t,-,11
\'i]
de
gICi
If!
(till \'au tal
cic
Ihui ,ilem
Iru'Uc

c!().
:"JIll!
\,~]'y
mach
IU,lll
tLl'
bl':'ll
doi lll(li chulii
de
giii
Ir!
ella
uie
lin hil'u \'ill) th:inh
ellUl'll
c,ie
gi,'t
ll"!
lll<l
lin
111¢U
ra. Cac
I11<-,lCh
~llan
Ilj
dlJq"e
e:lu
1,.\0
Ix\'i hai rhein:
de

h() ph,)n n\J,i'
lk
lUll
trD'
cac Irang thai eua
11Weh:
\'~t
mach
10
hor
dung
dc
dlCll
khlC:11
cell'
plt'lll
ILr
nha
viI
hlnh thilnh
de
gi:i
Ir!
tin hi¢u ra.
Trong
ky
Ihu:lt tinh loan.
de
m<'leh
(()

hqp
l:t
ceil'
mach
1l1~l
llO,i,
~1.l1
IlIa.
b(l
'-;0
'-;,Inh
lin hi\'u.
htl
c(mg. Cae
111<.1eh
tuSIl
I~r
IiI
Ciie
tngn.
c,lc
Ill.ICll
nl1(\.
thanl! ghl.
b(l
dC:ll1. Ci.c phuong ph,ip
t<:-;ng
hC,lP
\':1
[1h;'1Il

lich c,il'
1I1.ICII
til
hqp clel'n gian
hOIl
so
\"ai
mach
Il!<l:n
tl.J.
Trang
qu,i tr1nh
IhiC:'1
kc.
Ule m'.leh
so
Ihu'(lIlg dunc bicu dicn
h;-Il1,~,
nlll':u
plwo'ng ph,lp. \'i
d~l
nhtr
b~lllg
e(le
lX'HIg,
111a
Inll1-
di) thl
h:IC
haJl~'

elL' (l\()]Jl.II
lvL.leh
te)
l19'P
\'LlCh
il
il()'
Till illeli
1'a
~
Tll~'
111ll(lC
\';\0
Uch
Illlf(~lL
\':\
d(l
plll're
1,,1[1
ella
lllilCh
m~\
l'lll~l\lt',
1.1
Ina
ch(.l1l
plllrll'llt-'
plJ,'ijl
tl1ich
lhip.

\'1(lt
cach
Icing
qu:'il. ca
1l1<'lcll
i(i
hnr
1,ln
Illi leh tll;ill Il!
c6
Ih('
dl1'(.1'_'
l'l1ell
(llC:ll
h.l1l~
(,IC
(J!(lillal.
C;\""
lltlll1lclt
C(~)
till' dll(,"(
blell dicn hallg
sO"
d(i kl'l
h(
JP
giCi'a
mach
nh6'
V~I

mach
h-i
h(l"p.
1\1;.leh
nh6
dung
ue
luu
IrD'
Ir',lIlg
thai
ebn mach
tci
hop dl!!lg
ue
tillh
Ciic
tf'.lllg
I1lnh
3.2 So
cui
()](llllal
hitu
dl!~l1
111<1cl1
(0
llil'p_
th,li
mO'i
y~t

de
lin hi¢u
ra
mll'i
d~ra
\'ito
lin
hi~'ll
(till
\':lO,
de
tri.lIlg thai
eel.
Vi til,!,
llH)\
I1li.leh
II)
hup
b,l\
k~i
e6
the
du\x
hicu dicil btlIlg
Im}l
lll(lInal ell
h,li
tr,.mg
th<-ii
'I'

vii
'0':
tIn hicu
d:iu
ra
(hrCiC
x(tC dinh
Ihell
In.lIlg
Ih<-ii
eua l'llomal: hilln chu)'c'n trang th,i!
\;Hl
tn.ll1g
Ih[li
'I'
ehinh
l~t
l1il111
logie
hicLl
dicll
eht.'"rL'
n;-Ing
ITI'-,Ieh:
tu
tr~lIIg
Ih<-ii
'1'
h¢
Ih6ng ehuycll

\"(~
tr'.lllg Ih,il
'0'
bhng tIn
hi~u
xiic dPlh bhng
ham
(t;\o CLld hhm
clll1'c
nang.
39
§J.2. Cae
phan
hi
logic co' ban
Trong
qUii
trlnh thiet
k6
cae
m'.leh tfch
hqp
co
m0t
s6
phall tli ]{)gie
co
b<.ln
dlll:e
Slr

d~mg
ph6
bien.
Vi~c
thl!e
hi~n
cac
phfin
tll"
l6gic
n~ly
plW
thw)c
,,~\O
c6ng
ngh¢
S,111
XUftt
linh
ki¢n di¢n
tLl"
nhu'
c6ng
ngh¢
transistor
CMOS.
c(lIlg
ngh¢
transistor truong:.
TrL.

TILS

v.v.
Cic
phfin
IU
logic
C0
bitn
g6111
phfill tll AND. OR. NOT. XOR. NOR. NAND.
ngoai
ra
trong
nhi~u
tnl?mg
h(.J"p
phAn
tlr
dong
ngat
cung
duqc
coi
hI
phan
tv
co
ban.
Trcn

hlnh 3.1
dU'a
I"a
ky'
hieu
cae
phAn
tlr
C{j
b,'lll
\'6i hai
dfiL!
\'tto.
:
& \'
~z=xffi\'
~
_:~.
c8
z

,\
OI",J
-'
-[> ' c '-
IIlnh
.'.3
Cit
phJn
Itr

16g1C
CO'
h,in.
x.
y:
de
d[lulin
lJieu
\'ilO,
z:
chill
tin
hieu
fa,
(i:
dlrCrllg:
lin
hicu
dlClI
klll':n.
s
S~:
c,ic lin hieu.
Tren
quan
didm ve kh'l
nang
x<1y
dl!ng
de

h~lIn
logic b,ll
kyo
l11()t
sO'
phfil1
tll"
co
1);'\11
hqp
thanh
h¢
day
duo
Dieu
do
co
nghlil
J~l
\'o-i
dc
h~l.In
co' b,lll
tham
~B
)'
Or
7=XorV
=
lIillh

3 1
XiJy
dlrng
pldn
tIl
OR
him!,
cae ph[in
tlr
NOT
\':1
AND.
gia
\'~lO
h~
c!:ly
duo
ta
co
the
x<1y
dl,t"ng
1TI9i
hum
I()gic.
Ta
co
h¢
de
ph:iJ1

tlr
AND. OR. NOT (,.to
thanh
m¢t
h¢
day
du
VI
ta
co
the \ft)-!
dl.i'ng
1110i
11;\ln
40
logic
thea
cae
d' tng
ehUi.tn
tile
luyen
ho~e
hQi
vo-i
st.r
tham
gia
cua
de

phan
Itl
n{li
tren.
DLfoi
d,-ly
ta xet
mOt
~o h~
dfiy dll
de
phfil1
tu
logic
co
ban.
•
H¢
pher
tmln
baa
gam
de
phfin
ltl"
NOT
\,~l
AND.
Ta nh(lll thfty
phep

toan
OR
co Ihe duqc bicu dlen
nhLf
sau
qua
NOT-
AND:
::=XVY=XI\.V
(
3.1
)
Do
do
h~
hLim
gcll1l
C,-lc
phfin
tu
NOT
V(I
AND
1<'.10
th~Ulh
m()t
h¢
day
du.
•

H~
phep
tOi.\n
hao gam
de
phrill
tu
t\OT
va
OR.
Ta
e6
phep
Im1.n
AND
co
the
duoe
xfly
d~rng
II"I:n
c("l
~()'
ella
phep
to<in
l'\OT va
OR
theo h¢
Ihu."c

dU(1i
d,ly. Do
d6
h~
ham
bao
g{llll
ph:.i.n
tll"
NOT
va
OR
cling
t' LO
thanh
h~
day
duo
Z=XI\)'=XV
Y
( 3.2 )
•
H~
NAND
\'a NOR:
C'L.__
Z
'D
. x v y
=

Ilinh
03.5
Xity
rhmg
ph<"iultr
NOR/NAND Iren co
sa
ph[in
Ilr
NAND/NOR.
Trang
ky
thU(lt
thiet k€
de
m<'.ICh
so.
de
phan tli
trong
h¢
NOT-AND
(
NOT-OR)
dWl"C
kct
hOp
1i Li
thanh
phall lli

NAND
(
NOR
).
Trcn
hlnh
3.5
=
=
lIinh
03.6
Xfty
dtfl1g
phSn
Ilr
NOT
lraug
he
NAND/NOR.
41
Iii
co
S0
X;}y
dVng
;1hein
tlr
: JOR
(NAND) trong he rh:in
Itf

l\:\l\'D
( NOR
).
Ta nh;m
Ih,-ly,
lrong
h~
ph'ln
IU
NAND,
cOng gi6ng nhu lrong he rhan
tLl'
I\OR,
rh::in tu
NOT
e6
th~
nh~n
au9'c
m(1t
c,-Ieh
dun gl,in lir rh:in
IU'
NAI\D
hO~lc
NOR nhu trang hinh 3.6.
Ok
phan
tlr
AND

V:l
OR cling de
d~l1lg
nh<:l11
c!w/

-
Ill'
cae phun
tu
NAND
Y:I
NOR qua cae
h~
thue logic
JO'II
gian
~au;
Trong
h¢ phfin
IU
NAl\D.
Trollg h¢ ph[in
IU
NOR.
xl\y=XI\V
X\ly=Xl\y
XI\}'=XVy
(0.3
)

(
3.4)
( 3.5 )
XV)!=xvy
(3.6)
Nhu' vay
h~
phcp to(ll\ chi co
m()t
ph'ln
ttr
I\Af\;D
ho~\C
m(lt
p\1:in
tLl'
:-lOR
El
mC)1
h~
tt:i)'
atl.
•
Phan
ttr
MlI1g
n;;ftl.
Vc khia qlllh logic phan
Ilr
[lay la

phein
IU
truyen tIn hi¢u. Phfin
Itf
dong
ngal thvc hi¢n
chu:c
nang
nhu
111(1t
J"O'k.
l\'eu
tren
dUCrng
dieu khi6n
(J
till
hi~u
nh~tn
gia
tr"!
'I',
khi
d6
kho;."i
dong
\'a
tin hi¢u
51
(hroe

IIlnh
3.7
PIl,1I111rdullg
nj.!dl,
tmytn
t6i du'(mg
S.,.
l\C:u
gi'-I
tri lin
hlCLl
(;
b;\ng
'0'.
khoa
l\1eJ
Va
tin
hi~u
kh6ng truycn qua dw\ng SIS,. Do ph,\n
Itr
n~\y
c6
chCfe
n(lIlg
nhu
111(11
mi lch
d6ng
ngftl, nhu

cia
chi ra lrong
Il1l.JC
2.! clla
ehu'tJ"ng
2,
ta
co
Ihe:
x,iy
d~rng
cae ham logic chi tu e,ic
mi tch
lkmg ngfll.
Trong
Iflf('mg
hqp nay
101
cfin
co duong
tin
hl¢u
.\
eti
d{)i
\'6'i
dui:l'ng
lin
11H.:~u
cua

hicn
x,
do d6 nhung
mi teh
logic
c1U\l'C
x<1y
cI~rng
tll:
nhung phfin ttf
d6ng
ng,il
tl1lfCrng
dWJ"c
gQi
Iii
m'.lCh
I()gic hai duang. Trong nhiIng
lll<,leh
nilY
cae
clLrO"ng
tin
hi~u
(huang xutit hi¢n
theo
c~p
x d .r. Trang eong ngh¢ che'
1,.\0
nhung

1l1<,lch
c6
elt)
tich
hQ"p
sieu Ion VLSI. nhii'ng
J1li.,lCh
m(ll
dU'ong
Ihuo'llg
c!trl/c
"u
d\lI1g.
Khi do gi,i
Ir!
x (tuqc
1,.10
ra
hJng
ph{ln
Ilr
NOT. Do d6
lil
c()
Ihe n6i
dng
de
phlln
Ilt d6ng ngftt ya
ph:in

Ill'
NOT
t,.\o
th~lI1h
m6t
h¢
(by
du
dc
phcp tolln.
•
Ph[ln
Itt XOR.
Ph,\n tu'
XOR
Ihvc
hi~n
phep
tOllll
IO~li
Irll'
logic.
Phi.ln
Ill'
illlY dung rieng
hi¢1
kh6ng
the!
t~\O
thanh

h~
thiy
au
clla cae phep
IOlln
16gic. Trang
ml)C
2.2
ella chuong 2
chung
ta
eta
Ihtly
Ill{)t
ham logic
c6
the duqc
1,.\0
IhaJlh Itl
cae
42