LOGIC Circuits
Logic Circuits
Basic gates – IEEE standards
Derived gates: XOR, NAND, NOR, NXOR
Example 1
Example 2
Example 3. NAND is a universal gate -it can be used to produce all the other gates
Combinational circuits
Examples of useful combinational circuits
Example 4
Example 5. Full Adder
Example 5. Full Adder (contd.)
Example 5. Full Adder (contd.)
Example 6. n - bit parallel adder
Example 6. n - bit parallel adder (contd.)
Example 7. Full Subtractor
Example 7. Full Subtractor (contd.)
Example 7. Full Subtractor (contd.)
Example 8. n - bit parallel subtractor
Example 8. n - bit parallel subtractor (contd.)
Example 9. Encoder
Example 9. Encoder (contd.)
Example 10. Decoder
Example 10. Decoder (contd.)
Example 11. 7 segments Circuit
Example 11. 7 segments Circuit
Example 11. 7 segments Circuit (contd.)
Binary codes
Binary codes (contd.)
Example 12.