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Chapter 5: Designing Combination Systems
Signals and SystemsDigital Logic System
Prof. Wonhee Kim
Iterative Systems
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Delay in Combinational Logic Circuits
3
Delay in Combinational Logic Circuits
4
Two 4-bit Comparators
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Decoder
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Decoder
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Decoder
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Decoder
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Decoder
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Encoder
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Encoder
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Multiplexer
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Multiplexer
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Multiplexer
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De-multiplexer
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3 State Gates
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a a ffEN EN
3 State Gates
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Gate Arrays
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Gate Arrays
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PLA (Programmable logic array)
FPGA(Field programmable gate array)
Gate Arrays
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Gate Arrays – ROM (Read Only Memory)
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Gate Arrays – PLA
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Gate Arrays – PLA
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Gate Arrays – PLA
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Gate Arrays – PAL
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Gate Arrays – PAL
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Gate Arrays – PAL & Feedback
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Gate Arrays – PAL & Feedback
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