Triggir turi
|
Ichki tuzilishi
|
|
Ishlash jadvali
|
Asinxron RS-triggeri
|
|
|
S
|
R
|
Q(t+1)
|
0
|
0
|
Q(t)
|
0
|
1
|
0
|
1
|
0
|
1
|
1
|
1
|
Mumkin emas
|
|
Teskari kirishli asinxron RS- triggeri
|
|
|
|
|
Q(t+1)
|
0
|
0
|
Mumkin emas
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
1
|
Q(t)
|
|
Sinxron
RS- triggeri
|
|
|
С
|
R
|
S
|
Q(t+1)
|
0
|
0
|
0
|
Q(t)
|
0
|
0
|
1
|
Q(t)
|
0
|
1
|
0
|
Q(t)
|
0
|
1
|
1
|
Q(t)
|
1
|
0
|
0
|
Q(t)
|
1
|
0
|
1
|
1
|
1
|
1
|
0
|
0
|
1
|
1
|
1
|
Mumkin emas
|
|
Asinxron Т- triggeri
|
|
|
|
Sinxron
Т- triggeri
|
|
|
Т
|
С
|
Q(t+1)
|
0
|
0
|
Q(t)
|
0
|
1
|
Q(t)
|
1
|
0
|
Q(t)
|
1
|
1
|
|
|
Sinxron
D- triggeri
|
|
|
D
|
С
|
Q(t+1)
|
0
|
0
|
Q(t)
|
0
|
1
|
0
|
1
|
0
|
Q(t)
|
1
|
1
|
1
|
|
Universal JK-triggerida agar S=1 bo`lsa, triggerdagi kirish impulslar 1-bosqichga qabul qilinadi. S=0 bo`lganda, 2-bosqich 1- bosqichdagi xolatni o`ziga qabul qiladi. JK-triggerining sxematik ko`rinish 7.3-rasmda keltirilgan.
JK- universal triggerining ishlash jadvali.
С
|
0
|
0
|
0
|
0
|
1
|
1
|
1
|
1
|
J
|
0
|
0
|
1
|
1
|
0
|
0
|
1
|
1
|
K
|
0
|
1
|
0
|
1
|
0
|
1
|
0
|
1
|
Q(t+1)
|
Q(t)
|
Q(t)
|
Q(t)
|
Q(t)
|
Q(t)
|
0
|
1
|
-Q(t)
|
JK-universal triggeri asosida bir necha triggerlarni xosil qilish mumkin.
Quyida RS, T, D- triggerlarini qurish sxemalari keltirilgan (7.4-rasm).
Dostları ilə paylaş: |