Rangkaian
Counter Up
Rangkaian Counter Up
Rangkaian
tersebut merupakan rangkaian counter up dengan output LED. Terdiri dari
resistor bernilai 330Ω 4 buah, led 4 buah, push button, dan 4 bit binary ripple
counter.
Cara
kerja rangkaian tersebut adalah ketika push button ditekan, LED akan menyala
secara bergantian.
LED
1 menyala
LED
2 menyala
LED
1 & 2 menyala
LED
3 menyala
LED
1 & 3 menyala
LED
2 & 3 menyala
LED
1 2 & 3 menyala
LED
4 menyala
LED
1 & 4 menyala
LED
2 & 4 menyala
LED
1, 2, & 4 menyala
LED
3 & 4 menyala
LED
1, 3, & 4 menyala
LED
2, 3, & 4 menyala
Tabel kebenaran :
|
Push Button
|
D1
|
D2
|
D3
|
D4
|
|
|
1
|
1
|
1
|
0
|
0
|
0
|
|
2
|
1
|
0
|
1
|
0
|
0
|
|
3
|
1
|
0
|
0
|
1
|
0
|
|
4
|
1
|
0
|
0
|
0
|
1
|
|
5
|
1
|
1
|
0
|
1
|
0
|
|
6
|
1
|
0
|
1
|
1
|
0
|
|
7
|
1
|
1
|
1
|
1
|
0
|
|
8
|
1
|
0
|
0
|
0
|
1
|
|
9
|
1
|
1
|
0
|
0
|
1
|
|
10
|
1
|
0
|
1
|
0
|
1
|
|
11
|
1
|
1
|
1
|
0
|
1
|
|
12
|
1
|
0
|
0
|
1
|
1
|
|
13
|
1
|
0
|
0
|
0
|
1
|
|
14
|
1
|
1
|
0
|
1
|
1
|
|
15
|
1
|
0
|
1
|
1
|
1
|
|
16
|
1
|
0
|
0
|
0
|
0
|
