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Buffer vs Inverter | Difference between Buffer and Inverter

This page compares Buffer vs Inverter and mentions difference between Buffer and Inverter.

Introduction: Both of these are logic gates which has functionalities inverse of each other. The other logic gates are AND, OR, NAND, NOR, XOR, XNOR etc.

Buffer

Buffer

This logic gate does not perform any operation on the input. It increases drive capability of the logic circuit which increases number of fanouts. Moreover it is used to boost the weak signal source. As shown in the truth table, output is directly proportional to the input.

For input = 1 , output =1
For input = 0 , output = 0

Example IC : 74VHC244

Inverter

Inverter

This logic gate produces output which is inverse of the input value. The same is mentioned in the truth table. Two back to back inverters can function similar to single buffer gate. Inverter gate can be used with basic logic gates such as AND, OR and XOR to make its inverted gate NAND, NOR and XNOR respectively. Refer difference between AND vs NAND vs OR vs NOR >> for more information.

For input = 1 , output = 0
For input = 0 , output = 1

Example IC : 74VHC04

Also refer following topics on photodiode and solar cell.
• Advantages and disadvantages of Solar Energy >>
• Advantages and disadvantages of Perovskite Solar Cell >>
• Advantages and disadvantages of Organic Solar Cell >>
• Difference between Photodiode and Photoresistor >>.



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