Why do we gradually increase the size of inverters in buffer design? Why not give the output of a circuit to one large inverter?
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Answer Posted / Satyendra Tripathi
Gradually increasing the size of inverters in buffer design is essential for reducing load capacitance and signal delay. When a large number of gates are connected to a single output, they add up to create a high load capacitance which increases signal propagation delay. By using multiple smaller buffers, we can distribute the load across them, thus reducing the overall load and signal delay.nnUsing one large inverter to drive a circuit may initially seem like an efficient solution, but it can lead to increased power consumption due to the larger switching current required, and increased delay due to the higher capacitance. Additionally, the larger size of the inverter may make it more susceptible to voltage and temperature variations.
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