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- 1. LECTURE ON COMBINATIONAL ANDSEQUENTIAL CIRCUITS BY, DEEPIKA GOTTIPATI
- 2. COMBINATIONAL CIRCUITS Output is dependent only on input Doesn’t contain memory element Value of present output is determined by present input Examples of combinational circuits are half adders, full adders, subtractors etc
- 3. SEQUENTIAL CIRCUITS Outputs depend on present inputs and previous inputs also It contains memory elements for storing previous state inputs Examples of sequential circuits are flip flops, counters, shift registers
- 4. GATES AND NAND OR NOR NOT EX-OR EX-NOR
- 5. UNIVERSAL GATES The basic building blocks of any design are UNIVERSAL GATES NAND and NOR are the universal gates
- 6. FUNCTIONALITY OF NAND GATE The NAND function is a combination of the two separate logical functions, the AND function and the NOT function connected together in series. The logic NAND function can be expressed by the Boolean expression of, A.B The Logic NAND Function only produces the output when any of its inputs are FALSE.
- 7. NAND GATE2 INPUT NAND GATE TRUTH TABLE
- 8. FUNCTIONALITY OF NOR GATE The NOR Gate is also a combination of two separate functions, the OR function and the NOT function connected together in series The logical NOR function is expressed by the Boolean expression as, A + B The Logic NAND Function only produces the output when all of its inputs are FALSE
- 9. NOR GATE2 INPUT NOR GATE TRUTH TABLE
- 10. HOW TO DESIGN A COMBINATIONAL CIRCUIT Half adder truth table K-Maps Circuit using gates
- 11. HOW TO DESIGN A SEQUENTIAL CIRCUIT [FLIP FLOPS] SR Flip flop JK Flip flop D Flip flop T Flip flop

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