Ho Chi Minh city University of Technology FACULTY OF COMPUTER SCIENCE AND ENGINEERING LAB 1 DIGITAL SYSTEMS GROUP: 1 INSTRUCTOR: NGUYỄN THIÊN ÂN STUDENT: Hoàng Minh Khoa 2352556 Lê Kiều
Trang 1Ho Chi Minh city University of Technology FACULTY OF COMPUTER SCIENCE AND
ENGINEERING
LAB 1 DIGITAL SYSTEMS
GROUP: 1 INSTRUCTOR: NGUYỄN THIÊN ÂN
STUDENT:
Hoàng Minh Khoa 2352556
Lê Kiều Anh Vũ 2353340
2023
Trang 2Exercise 1
1 Requirement
Randomly select TWO 74-Series ICs out of the list in Figure 7 and exam their functions using Logisim, Digital System KIT and V.O.M
- Group 1 choose: IC 7408 and IC 7432
2 Design
2.1 Truth table
Trang 3IC 7408 – AND gate IC 7432 – OR gate
2.2 Logic Design
Figure 1: Logic design of IC 7408
Figure 2: Logic design of IC 7432
Input A Input B Output X
Input A Input B Output Y
Trang 43 Simulate
Simulate circuits in Logism
Figure 3: Simulation of IC 7408
Trang 5Figure 4: Simulation of IC 7432
4 Net-list
IC 7408
Order number First head Other head
IC 7432
Order number First head Other head
Exercise 2
Trang 61 Requirement
Design, simulate and implement the following Boolean expressions using 7404s, 7408s, 7432s
a = � �� + �
b = ( + � � �)�
2 Design
2.1 Truth table
a.
Trang 72.2 Logic Design a.
Trang 8Figure 5: Logic design of 2.4.2.a
b.
Figure 6: Logic design of 2.4.2.b
3 Simulate
Simulate circuits in Logism
a.
Trang 9Figure 7: Simulation of 2.4.2.a
b.
Figure 8: Simulation of 2.4.2.b
4 Net-list
Trang 10Order number First head Other head
b.
Order number First head Other head
Trang 112 GND U1:7
Exercise 3
1 Requirement
Simplify the following Boolean expressions Then, design, simulate and implement the minimized circuits using 7404s, 7408s, 7432s
a = ( + � � �)(� + �)(� + �)
b = � �(� + �) + ( + � �� �)( + )�
Trang 122 Design
2.1 Truth table
a.
� = ( + )( + � � � �)(� + �) = M � P+ � N
b.
� = (� + �� ) + ( + � �� �)( + ) = A + � B
Trang 132.2 Logic Design
a.
Figure 9: Logic design of 2.4.3.a
b.
Figure 10: Logic design of 2.4.3.b
Trang 143 Simulate
Simulate circuits in Logism
a.
Figure 11: Simulation of 2.4.3.a
b.
Trang 15Figure 12: Simulation of 2.4.3.b
4 Net-list
a.
Order number First head Other head
Trang 167 GND U2:7
b.
Order number First head Other head
Trang 172 GND U1:7