Logic Gates (AND, OR, NOT, NAND, NOR).pptx

DLD lecture

1. D IGITAL L OGIC D ESIGN Department Of Computer Science Lecture-06 Teacher: Dr. Syed Ali Asgher Email: [email protected]

2. Revision: RTL/TTL/ CMOS operations & application Logic Gates (AND, OR, NOT, NAND, NOR) Timing diagrams of Logic gates Fan-in/ Fan-out ICs package styles (THT & SMT) ICs datasheet

3. 2 n = 2 2 = 4 How to make Truth table??? Input A Input B Output 1 1 1 1 1 AND Gate

4. DE Morgan's laws  are a set of two postulates that are widely used in set theory. They state that: (A ∪ B)’ = A’ ∩ B’ ( De Morgan's Law of Union) (A ∩ B)’ = A’ ∪ B’ ( De Morgan's Law of Intersection) De Morgan's Laws/ Theorem:

5. De Morgan's Law in Boolean Algebra

6. De Morgan’s First Law in Boolean Algebra

7. De Morgan’s First Law in Boolean Algebra

8. De Morgan’s Second Law in Boolean Algebra

9. De Morgan’s Second Law in Boolean Algebra