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Part 4 Combinational Logic
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Combinational Circuits
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Combinational Circuits
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure
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Analysis Procedure BC A -So, it is a Full Adder circuit
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Design Procedure
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Design Procedure CD CD AB AB CD CD AB AB
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Design Procedure -Using Common, 2-input gates
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Seven-Segment Decoder
yz wx
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Binary Adder S = x’y + xy’ = x y C = xy
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Binary Adder = xy + xy’z + x’yz yz yz x x yz yz x
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Binary Adder
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Binary Adder
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Binary Adder
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Binary Subtractor
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Binary Adder/Subtractor
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Binary Multiplier Multiplication of binary numbers is performed in the same way as in decimal numbers – partial product: the multiplicand is multiplied by each bit of the multiplier starting from the least significant bit
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Binary Multiplier
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Magnitude Comparator
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Magnitude Comparator
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Decoders
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Decoders
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Decoders
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Decoders
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Decoders
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Decoders
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Implementation Using Decoders
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Implementation Using Decoders
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Encoders
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Encoders
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Priority Encoders
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Encoder / Decoder Pairs
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Multiplexers
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Multiplexers
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Multiplexers
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Multiplexers
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Implementation Using Multiplexers
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Implementation Using Multiplexers
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Implementation Using Multiplexers
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Implementation Using Multiplexers
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Multiplexer Expansion
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DeMultiplexers
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Multiplexer / DeMultiplexer Pairs
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DeMultiplexers / Decoders
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